STM32F429ZIT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32F429ZIT6 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	PE2	bidirectional	GPIO Port E pin 2, alternate functions include TRACECLK, SPI4_SCK, SAI1_MCLK_A, ETH_MII_TXD3, FMC_A23
2	PE3	bidirectional	GPIO Port E pin 3, alternate functions include TRACED0, SAI1_SD_B, FMC_A19
3	PE4	bidirectional	GPIO Port E pin 4, alternate functions include TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, DCMI_D4, LCD_B0
4	PE5	bidirectional	GPIO Port E pin 5, alternate functions include TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, DCMI_D6, LCD_G0
5	PE6	bidirectional	GPIO Port E pin 6, alternate functions include TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, DCMI_D7, LCD_G1
6	VBAT	power_in	Backup power supply for RTC and backup registers
7	PC13	bidirectional	GPIO Port C pin 13, alternate function TAMP_1, through power switch with 3 mA max sink capability
8	PC14/OSC32_IN	bidirectional	GPIO Port C pin 14 or 32 kHz oscillator input, alternate functions include OSC32_IN
9	PC15/OSC32_OUT	bidirectional	GPIO Port C pin 15 or 32 kHz oscillator output, alternate functions include OSC32_OUT
10	PF0	bidirectional	GPIO Port F pin 0, alternate functions include I2C2_SDA, FMC_A0
11	PF1	bidirectional	GPIO Port F pin 1, alternate functions include I2C2_SCL, FMC_A1
12	PF2	bidirectional	GPIO Port F pin 2, alternate functions include I2C2_SMBA, FMC_A2
13	PF3	bidirectional	GPIO Port F pin 3, alternate functions include FMC_A3, ADC3_IN9
14	PF4	bidirectional	GPIO Port F pin 4, alternate functions include FMC_A4, ADC3_IN14
15	PF5	bidirectional	GPIO Port F pin 5, alternate functions include FMC_A5, ADC3_IN15
16	VSS	power_in	Ground (Negative supply)
17	VDD	power_in	Positive supply voltage (1.7-3.6 V)
18	PF6	bidirectional	GPIO Port F pin 6, alternate functions include TIM10_CH1, SPI5_NSS, SAI1_SD_B, UART7_RX, FMC_NIORD, ADC3_IN4
19	PF7	bidirectional	GPIO Port F pin 7, alternate functions include TIM11_CH1, SPI5_SCK, SAI1_MCLK_B, UART7_TX, FMC_NREG, ADC3_IN5
20	PF8	bidirectional	GPIO Port F pin 8, alternate functions include SPI5_MISO, SAI1_SCK_B, TIM13_CH1, FMC_NIOWR, ADC3_IN6
21	PF9	bidirectional	GPIO Port F pin 9, alternate functions include SPI5_MOSI, SAI1_FS_B, TIM14_CH1, FMC_CD, ADC3_IN7
22	PF10	bidirectional	GPIO Port F pin 10, alternate functions include FMC_INTR, DCMI_D11, LCD_DE, ADC3_IN8
23	PH0/OSC_IN	bidirectional	GPIO Port H pin 0 or main oscillator input (4-26 MHz)
24	PH1/OSC_OUT	bidirectional	GPIO Port H pin 1 or main oscillator output
25	NRST	input	Active low reset input with internal weak pull-up (40 kΩ typical)
26	PC0	bidirectional	GPIO Port C pin 0, alternate functions include OTG_HS_ULPI_STP, FMC_SDNWE, ADC123_IN10
27	PC1	bidirectional	GPIO Port C pin 1, alternate functions include ETH_MDC, ADC123_IN11
28	PC2	bidirectional	GPIO Port C pin 2, alternate functions include SPI2_MISO, I2S2ext_SD, OTG_HS_ULPI_DIR, ETH_MII_TXD2, FMC_SDNE0, ADC123_IN12
29	PC3	bidirectional	GPIO Port C pin 3, alternate functions include SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, ETH_MII_TX_CLK, FMC_SDCKE0, ADC123_IN13
30	VDD	power_in	Positive supply voltage (1.7-3.6 V)
31	VSSA	power_in
32	VREF+	power_in
33	VDDA	power_in
34	PA0/WKUP	bidirectional	GPIO Port A pin 0 or wakeup input, alternate functions include TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, ETH_MII_CRS, ADC123_IN0
35	PA1	bidirectional	GPIO Port A pin 1, alternate functions include TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, ETH_MII_RX_CLK/ETH_RMII_REF_CLK, ADC123_IN1
36	PA2	bidirectional	GPIO Port A pin 2, alternate functions include TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, ETH_MDIO, ADC123_IN2
37	PA3	bidirectional	GPIO Port A pin 3, alternate functions include TIM2_CH4, TIM5_CH4, TIM9_CH2, USART2_RX, OTG_HS_ULPI_D0, ETH_MII_COL, LCD_B5, ADC123_IN3
38	VSS	power_in	Ground (Negative supply)
39	VDD	power_in	Positive supply voltage (1.7-3.6 V)
40	PA4	bidirectional	GPIO Port A pin 4, alternate functions include SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, LCD_VSYNC, ADC12_IN4/DAC_OUT1
41	PA5	bidirectional	GPIO Port A pin 5, alternate functions include TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK, OTG_HS_ULPI_CK, ADC12_IN5/DAC_OUT2
42	PA6	bidirectional	GPIO Port A pin 6, alternate functions include TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM13_CH1, DCMI_PIXCLK, LCD_G2, ADC12_IN6
43	PA7	bidirectional	GPIO Port A pin 7, alternate functions include TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM14_CH1, ETH_MII_RX_DV/ETH_RMII_CRS_DV, ADC12_IN7
44	PC4	bidirectional	GPIO Port C pin 4, alternate functions include ETH_MII_RXD0/ETH_RMII_RXD0, ADC12_IN14
45	PC5	bidirectional	GPIO Port C pin 5, alternate functions include ETH_MII_RXD1/ETH_RMII_RXD1, ADC12_IN15
46	PB0	bidirectional	GPIO Port B pin 0, alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, LCD_R3, OTG_HS_ULPI_D1, ETH_MII_RXD2, ADC12_IN8
47	PB1	bidirectional	GPIO Port B pin 1, alternate functions include TIM1_CH3N, TIM3_CH4, TIM8_CH3N, LCD_R6, OTG_HS_ULPI_D2, ETH_MII_RXD3, ADC12_IN9
48	PB2/BOOT1	bidirectional	GPIO Port B pin 2 or boot selection from NAND Flash
49	PF11	bidirectional
50	PF12	bidirectional
51	VSS	power_in	Ground (Negative supply)
52	VDD	power_in	Positive supply voltage (1.7-3.6 V)
53	PF13	bidirectional
54	PF14	bidirectional
55	PF15	bidirectional
56	PG0	bidirectional
57	PG1	bidirectional
58	PE7	bidirectional	GPIO Port E pin 7, alternate functions include TIM1_ETR, UART7_RX, FMC_D4
59	PE8	bidirectional	GPIO Port E pin 8, alternate functions include TIM1_CH1N, UART7_TX, FMC_D5
60	PE9	bidirectional	GPIO Port E pin 9, alternate functions include TIM1_CH1, FMC_D6
61	VSS	power_in	Ground (Negative supply)
62	VDD	power_in	Positive supply voltage (1.7-3.6 V)
63	PE10	bidirectional	GPIO Port E pin 10, alternate functions include TIM1_CH2N, FMC_D7
64	PE11	bidirectional	GPIO Port E pin 11, alternate functions include TIM1_CH2, SPI4_NSS, FMC_D8, LCD_G3
65	PE12	bidirectional	GPIO Port E pin 12, alternate functions include TIM1_CH3N, SPI4_SCK, FMC_D9, LCD_B4
66	PE13	bidirectional	GPIO Port E pin 13, alternate functions include TIM1_CH3, SPI4_MISO, FMC_D10, LCD_DE
67	PE14	bidirectional	GPIO Port E pin 14, alternate functions include TIM1_CH4, SPI4_MOSI, FMC_D11, LCD_CLK
68	PE15	bidirectional	GPIO Port E pin 15, alternate functions include TIM1_BKIN, FMC_D12, LCD_R7
69	PB10	bidirectional	GPIO Port B pin 10, alternate functions include TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, USART3_TX, OTG_HS_ULPI_D3, ETH_MII_RX_ER, LCD_G4
70	PB11	bidirectional	GPIO Port B pin 11, alternate functions include TIM2_CH4, I2C2_SDA, USART3_RX, OTG_HS_ULPI_D4, ETH_MII_TX_EN/ETH_RMII_TX_EN, LCD_G5
71	VCAP_1	power_in	Capacitive load connection for internal voltage regulator (2.2 µF ceramic capacitor required)
72	VDD	power_in	Positive supply voltage (1.7-3.6 V)
73	PB12	bidirectional	GPIO Port B pin 12, alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, ETH_MII_TXD0/ETH_RMII_TXD0, OTG_HS_ID
74	PB13	bidirectional	GPIO Port B pin 13, alternate functions include TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, ETH_MII_TXD1/ETH_RMII_TXD1, OTG_HS_VBUS
75	PB14	bidirectional	GPIO Port B pin 14, alternate functions include TIM1_CH2N, TIM8_CH2N, SPI2_MISO, I2S2ext_SD, USART3_RTS, TIM12_CH1, OTG_HS_DM
76	PB15	bidirectional	GPIO Port B pin 15, alternate functions include RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP
77	PD8	bidirectional	GPIO Port D pin 8, alternate functions include USART3_TX, FMC_D13
78	PD9	bidirectional	GPIO Port D pin 9, alternate functions include USART3_RX, FMC_D14
79	PD10	bidirectional	GPIO Port D pin 10, alternate functions include USART3_CK, FMC_D15, LCD_B3
80	PD11	bidirectional	GPIO Port D pin 11, alternate functions include USART3_CTS, FMC_A16
81	PD12	bidirectional	GPIO Port D pin 12, alternate functions include TIM4_CH1, USART3_RTS, FMC_A17
82	PD13	bidirectional	GPIO Port D pin 13, alternate functions include TIM4_CH2, FMC_A18
83	VSS	power_in	Ground (Negative supply)
84	VDD	power_in	Positive supply voltage (1.7-3.6 V)
85	PD14	bidirectional	GPIO Port D pin 14, alternate functions include TIM4_CH3, FMC_D0
86	PD15	bidirectional	GPIO Port D pin 15, alternate functions include TIM4_CH4, FMC_D1
87	PG2	bidirectional	GPIO Port G pin 2, alternate functions include FMC_A12
88	PG3	bidirectional	GPIO Port G pin 3, alternate functions include FMC_A13
89	PG4	bidirectional	GPIO Port G pin 4, alternate functions include FMC_A14/FMC_BA0
90	PG5	bidirectional	GPIO Port G pin 5, alternate functions include FMC_A15/FMC_BA1
91	PG6	bidirectional	GPIO Port G pin 6, alternate functions include FMC_INT2, DCMI_D12, LCD_R7
92	PG7	bidirectional	GPIO Port G pin 7, alternate functions include USART6_CK, FMC_INT3, DCMI_D13, LCD_CLK
93	PG8	bidirectional	GPIO Port G pin 8, alternate functions include SPI6_NSS, USART6_RTS, ETH_PPS_OUT, FMC_SDCLK
94	VSS	power_in	Ground (Negative supply)
95	VDD	power_in	Positive supply voltage (1.7-3.6 V)
96	PC6	bidirectional	GPIO Port C pin 6, alternate functions include TIM3_CH1, TIM8_CH1, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, LCD_HSYNC
97	PC7	bidirectional	GPIO Port C pin 7, alternate functions include TIM3_CH2, TIM8_CH2, I2S3_MCK, USART6_RX, SDIO_D7, DCMI_D1, LCD_G6
98	PC8	bidirectional	GPIO Port C pin 8, alternate functions include TIM3_CH3, TIM8_CH3, USART6_CK, SDIO_D0, DCMI_D2
99	PC9	bidirectional	GPIO Port C pin 9, alternate functions include MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, SDIO_D1, DCMI_D3
100	PA8	bidirectional	GPIO Port A pin 8, alternate functions include MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, LCD_R6
101	PA9	bidirectional	GPIO Port A pin 9, alternate functions include TIM1_CH2, I2C3_SMBA, USART1_TX, DCMI_D0, OTG_FS_VBUS
102	PA10	bidirectional	GPIO Port A pin 10, alternate functions include TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1
103	PA11	bidirectional	GPIO Port A pin 11, alternate functions include TIM1_CH4, USART1_CTS, CAN1_RX, LCD_R4, OTG_FS_DM
104	PA12	bidirectional	GPIO Port A pin 12, alternate functions include TIM1_ETR, USART1_RTS, CAN1_TX, LCD_R5, OTG_FS_DP
105	PA13	bidirectional	GPIO Port A pin 13, alternate functions include JTMS-SWDIO debug interface
106	VCAP_2	power_in	Capacitive load connection for internal voltage regulator (2.2 µF ceramic capacitor required)
107	VSS	power_in	Ground (Negative supply)
108	VDD	power_in	Positive supply voltage (1.7-3.6 V)
109	PA14	bidirectional	GPIO Port A pin 14, alternate functions include JTCK-SWCLK debug interface
110	PA15	bidirectional	GPIO Port A pin 15, alternate functions include JTDI debug interface, TIM2_CH1/TIM2_ETR, SPI1_NSS, SPI3_NSS/I2S3_WS
111	PC10	bidirectional	GPIO Port C pin 10, alternate functions include SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, SDIO_D2, DCMI_D8, LCD_R2
112	PC11	bidirectional	GPIO Port C pin 11, alternate functions include I2S3ext_SD, SPI3_MISO, USART3_RX, UART4_RX, SDIO_D3, DCMI_D4
113	PC12	bidirectional	GPIO Port C pin 12, alternate functions include SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9
114	PD0	bidirectional	GPIO Port D pin 0, alternate functions include CAN1_RX, FMC_D2
115	PD1	bidirectional	GPIO Port D pin 1, alternate functions include CAN1_TX, FMC_D3
116	PD2	bidirectional	GPIO Port D pin 2, alternate functions include TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11
117	PD3	bidirectional	GPIO Port D pin 3, alternate functions include SPI2_SCK/I2S2_CK, USART2_CTS, FMC_CLK, DCMI_D5, LCD_G7
118	PD4	bidirectional	GPIO Port D pin 4, alternate functions include USART2_RTS, FMC_NOE
119	PD5	bidirectional	GPIO Port D pin 5, alternate functions include USART2_TX, FMC_NWE
120	VSS	power_in	Ground (Negative supply)
121	VDD	power_in	Positive supply voltage (1.7-3.6 V)
122	PD6	bidirectional	GPIO Port D pin 6, alternate functions include SPI3_MOSI/I2S3_SD, SAI1_SD_A, USART2_RX, FMC_NWAIT, DCMI_D10, LCD_B2
123	PD7	bidirectional	GPIO Port D pin 7, alternate functions include USART2_CK, FMC_NE1/FMC_NCE2
124	PG9	bidirectional	GPIO Port G pin 9, alternate functions include USART6_RX, FMC_NE2/FMC_NCE3, DCMI_VSYNC
125	PG10	bidirectional	GPIO Port G pin 10, alternate functions include LCD_G3, FMC_NCE4_1/FMC_NE3, DCMI_D2, LCD_B2
126	PG11	bidirectional	GPIO Port G pin 11, alternate functions include ETH_MII_TX_EN/ETH_RMII_TX_EN, FMC_NCE4_2, DCMI_D3, LCD_B3
127	PG12	bidirectional	GPIO Port G pin 12, alternate functions include SPI6_MISO, USART6_RTS, LCD_B4, FMC_NE4, LCD_B1
128	PG13	bidirectional	GPIO Port G pin 13, alternate functions include SPI6_SCK, USART6_CTS, ETH_MII_TXD0/ETH_RMII_TXD0, FMC_A24
129	PG14	bidirectional	GPIO Port G pin 14, alternate functions include SPI6_MOSI, USART6_TX, ETH_MII_TXD1/ETH_RMII_TXD1, FMC_A25
130	VSS	power_in	Ground (Negative supply)
131	VDD	power_in	Positive supply voltage (1.7-3.6 V)
132	PG15	bidirectional	GPIO Port G pin 15, alternate functions include USART6_CTS, FMC_SDNCAS, DCMI_D13
133	PB3	bidirectional	GPIO Port B pin 3, alternate functions include JTDO/TRACESWO debug interface, TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK
134	PB4	bidirectional	GPIO Port B pin 4, alternate functions include NJTRST debug interface, TIM3_CH1, SPI1_MISO, SPI3_MISO, I2S3ext_SD
135	PB5	bidirectional	GPIO Port B pin 5, alternate functions include TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, ETH_PPS_OUT, FMC_SDCKE1, DCMI_D10
136	PB6	bidirectional	GPIO Port B pin 6, alternate functions include TIM4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, FMC_SDNE1, DCMI_D5
137	PB7	bidirectional	GPIO Port B pin 7, alternate functions include TIM4_CH2, I2C1_SDA, USART1_RX, FMC_NL, DCMI_VSYNC
138	BOOT0	input	Boot selection pin for choosing between Flash, system memory, or embedded SRAM
139	PB8	bidirectional	GPIO Port B pin 8, alternate functions include TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, ETH_MII_TXD3, SDIO_D4, DCMI_D6, LCD_B6
140	PB9	bidirectional	GPIO Port B pin 9, alternate functions include TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, CAN1_TX, SDIO_D5, DCMI_D7, LCD_B7
141	PE0	bidirectional	GPIO Port E pin 0, alternate functions include TIM4_ETR, UART8_RX, FMC_NBL0, DCMI_D2
142	PE1	bidirectional	GPIO Port E pin 1, alternate functions include UART8_TX, FMC_NBL1, DCMI_D3
143	PDR_ON	input
144	VDD	power_in	Positive supply voltage (1.7-3.6 V)

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	LQFP-144(20x20)
Category	Embedded Processors & Controllers
Pins	144

CAD (KiCad official)

Symbol: STM32F429ZIT6
Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
3D model files: stm32f429zit6-etched.step / stm32f429zit6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f429zit6.step / stm32f429zit6.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: STMicroelectronics datasheet (226 pp, sha256 9eccb942b0df757c, retrieved 2026-09-29, tier: lcsc)
Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF

# STM32F429ZIT6

**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)

STM32F429ZIT6 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | PE2 | bidirectional | GPIO Port E pin 2, alternate functions include TRACECLK, SPI4_SCK, SAI1_MCLK_A, ETH_MII_TXD3, FMC_A23 |
| 2 | PE3 | bidirectional | GPIO Port E pin 3, alternate functions include TRACED0, SAI1_SD_B, FMC_A19 |
| 3 | PE4 | bidirectional | GPIO Port E pin 4, alternate functions include TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, DCMI_D4, LCD_B0 |
| 4 | PE5 | bidirectional | GPIO Port E pin 5, alternate functions include TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, DCMI_D6, LCD_G0 |
| 5 | PE6 | bidirectional | GPIO Port E pin 6, alternate functions include TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, DCMI_D7, LCD_G1 |
| 6 | VBAT | power_in | Backup power supply for RTC and backup registers |
| 7 | PC13 | bidirectional | GPIO Port C pin 13, alternate function TAMP_1, through power switch with 3 mA max sink capability |
| 8 | PC14/OSC32_IN | bidirectional | GPIO Port C pin 14 or 32 kHz oscillator input, alternate functions include OSC32_IN |
| 9 | PC15/OSC32_OUT | bidirectional | GPIO Port C pin 15 or 32 kHz oscillator output, alternate functions include OSC32_OUT |
| 10 | PF0 | bidirectional | GPIO Port F pin 0, alternate functions include I2C2_SDA, FMC_A0 |
| 11 | PF1 | bidirectional | GPIO Port F pin 1, alternate functions include I2C2_SCL, FMC_A1 |
| 12 | PF2 | bidirectional | GPIO Port F pin 2, alternate functions include I2C2_SMBA, FMC_A2 |
| 13 | PF3 | bidirectional | GPIO Port F pin 3, alternate functions include FMC_A3, ADC3_IN9 |
| 14 | PF4 | bidirectional | GPIO Port F pin 4, alternate functions include FMC_A4, ADC3_IN14 |
| 15 | PF5 | bidirectional | GPIO Port F pin 5, alternate functions include FMC_A5, ADC3_IN15 |
| 16 | VSS | power_in | Ground (Negative supply) |
| 17 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 18 | PF6 | bidirectional | GPIO Port F pin 6, alternate functions include TIM10_CH1, SPI5_NSS, SAI1_SD_B, UART7_RX, FMC_NIORD, ADC3_IN4 |
| 19 | PF7 | bidirectional | GPIO Port F pin 7, alternate functions include TIM11_CH1, SPI5_SCK, SAI1_MCLK_B, UART7_TX, FMC_NREG, ADC3_IN5 |
| 20 | PF8 | bidirectional | GPIO Port F pin 8, alternate functions include SPI5_MISO, SAI1_SCK_B, TIM13_CH1, FMC_NIOWR, ADC3_IN6 |
| 21 | PF9 | bidirectional | GPIO Port F pin 9, alternate functions include SPI5_MOSI, SAI1_FS_B, TIM14_CH1, FMC_CD, ADC3_IN7 |
| 22 | PF10 | bidirectional | GPIO Port F pin 10, alternate functions include FMC_INTR, DCMI_D11, LCD_DE, ADC3_IN8 |
| 23 | PH0/OSC_IN | bidirectional | GPIO Port H pin 0 or main oscillator input (4-26 MHz) |
| 24 | PH1/OSC_OUT | bidirectional | GPIO Port H pin 1 or main oscillator output |
| 25 | NRST | input | Active low reset input with internal weak pull-up (40 kΩ typical) |
| 26 | PC0 | bidirectional | GPIO Port C pin 0, alternate functions include OTG_HS_ULPI_STP, FMC_SDNWE, ADC123_IN10 |
| 27 | PC1 | bidirectional | GPIO Port C pin 1, alternate functions include ETH_MDC, ADC123_IN11 |
| 28 | PC2 | bidirectional | GPIO Port C pin 2, alternate functions include SPI2_MISO, I2S2ext_SD, OTG_HS_ULPI_DIR, ETH_MII_TXD2, FMC_SDNE0, ADC123_IN12 |
| 29 | PC3 | bidirectional | GPIO Port C pin 3, alternate functions include SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, ETH_MII_TX_CLK, FMC_SDCKE0, ADC123_IN13 |
| 30 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 31 | VSSA | power_in |  |
| 32 | VREF+ | power_in |  |
| 33 | VDDA | power_in |  |
| 34 | PA0/WKUP | bidirectional | GPIO Port A pin 0 or wakeup input, alternate functions include TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, ETH_MII_CRS, ADC123_IN0 |
| 35 | PA1 | bidirectional | GPIO Port A pin 1, alternate functions include TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, ETH_MII_RX_CLK/ETH_RMII_REF_CLK, ADC123_IN1 |
| 36 | PA2 | bidirectional | GPIO Port A pin 2, alternate functions include TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, ETH_MDIO, ADC123_IN2 |
| 37 | PA3 | bidirectional | GPIO Port A pin 3, alternate functions include TIM2_CH4, TIM5_CH4, TIM9_CH2, USART2_RX, OTG_HS_ULPI_D0, ETH_MII_COL, LCD_B5, ADC123_IN3 |
| 38 | VSS | power_in | Ground (Negative supply) |
| 39 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 40 | PA4 | bidirectional | GPIO Port A pin 4, alternate functions include SPI1_NSS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, LCD_VSYNC, ADC12_IN4/DAC_OUT1 |
| 41 | PA5 | bidirectional | GPIO Port A pin 5, alternate functions include TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK, OTG_HS_ULPI_CK, ADC12_IN5/DAC_OUT2 |
| 42 | PA6 | bidirectional | GPIO Port A pin 6, alternate functions include TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, TIM13_CH1, DCMI_PIXCLK, LCD_G2, ADC12_IN6 |
| 43 | PA7 | bidirectional | GPIO Port A pin 7, alternate functions include TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI, TIM14_CH1, ETH_MII_RX_DV/ETH_RMII_CRS_DV, ADC12_IN7 |
| 44 | PC4 | bidirectional | GPIO Port C pin 4, alternate functions include ETH_MII_RXD0/ETH_RMII_RXD0, ADC12_IN14 |
| 45 | PC5 | bidirectional | GPIO Port C pin 5, alternate functions include ETH_MII_RXD1/ETH_RMII_RXD1, ADC12_IN15 |
| 46 | PB0 | bidirectional | GPIO Port B pin 0, alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, LCD_R3, OTG_HS_ULPI_D1, ETH_MII_RXD2, ADC12_IN8 |
| 47 | PB1 | bidirectional | GPIO Port B pin 1, alternate functions include TIM1_CH3N, TIM3_CH4, TIM8_CH3N, LCD_R6, OTG_HS_ULPI_D2, ETH_MII_RXD3, ADC12_IN9 |
| 48 | PB2/BOOT1 | bidirectional | GPIO Port B pin 2 or boot selection from NAND Flash |
| 49 | PF11 | bidirectional |  |
| 50 | PF12 | bidirectional |  |
| 51 | VSS | power_in | Ground (Negative supply) |
| 52 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 53 | PF13 | bidirectional |  |
| 54 | PF14 | bidirectional |  |
| 55 | PF15 | bidirectional |  |
| 56 | PG0 | bidirectional |  |
| 57 | PG1 | bidirectional |  |
| 58 | PE7 | bidirectional | GPIO Port E pin 7, alternate functions include TIM1_ETR, UART7_RX, FMC_D4 |
| 59 | PE8 | bidirectional | GPIO Port E pin 8, alternate functions include TIM1_CH1N, UART7_TX, FMC_D5 |
| 60 | PE9 | bidirectional | GPIO Port E pin 9, alternate functions include TIM1_CH1, FMC_D6 |
| 61 | VSS | power_in | Ground (Negative supply) |
| 62 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 63 | PE10 | bidirectional | GPIO Port E pin 10, alternate functions include TIM1_CH2N, FMC_D7 |
| 64 | PE11 | bidirectional | GPIO Port E pin 11, alternate functions include TIM1_CH2, SPI4_NSS, FMC_D8, LCD_G3 |
| 65 | PE12 | bidirectional | GPIO Port E pin 12, alternate functions include TIM1_CH3N, SPI4_SCK, FMC_D9, LCD_B4 |
| 66 | PE13 | bidirectional | GPIO Port E pin 13, alternate functions include TIM1_CH3, SPI4_MISO, FMC_D10, LCD_DE |
| 67 | PE14 | bidirectional | GPIO Port E pin 14, alternate functions include TIM1_CH4, SPI4_MOSI, FMC_D11, LCD_CLK |
| 68 | PE15 | bidirectional | GPIO Port E pin 15, alternate functions include TIM1_BKIN, FMC_D12, LCD_R7 |
| 69 | PB10 | bidirectional | GPIO Port B pin 10, alternate functions include TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, USART3_TX, OTG_HS_ULPI_D3, ETH_MII_RX_ER, LCD_G4 |
| 70 | PB11 | bidirectional | GPIO Port B pin 11, alternate functions include TIM2_CH4, I2C2_SDA, USART3_RX, OTG_HS_ULPI_D4, ETH_MII_TX_EN/ETH_RMII_TX_EN, LCD_G5 |
| 71 | VCAP_1 | power_in | Capacitive load connection for internal voltage regulator (2.2 µF ceramic capacitor required) |
| 72 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 73 | PB12 | bidirectional | GPIO Port B pin 12, alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, ETH_MII_TXD0/ETH_RMII_TXD0, OTG_HS_ID |
| 74 | PB13 | bidirectional | GPIO Port B pin 13, alternate functions include TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, ETH_MII_TXD1/ETH_RMII_TXD1, OTG_HS_VBUS |
| 75 | PB14 | bidirectional | GPIO Port B pin 14, alternate functions include TIM1_CH2N, TIM8_CH2N, SPI2_MISO, I2S2ext_SD, USART3_RTS, TIM12_CH1, OTG_HS_DM |
| 76 | PB15 | bidirectional | GPIO Port B pin 15, alternate functions include RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP |
| 77 | PD8 | bidirectional | GPIO Port D pin 8, alternate functions include USART3_TX, FMC_D13 |
| 78 | PD9 | bidirectional | GPIO Port D pin 9, alternate functions include USART3_RX, FMC_D14 |
| 79 | PD10 | bidirectional | GPIO Port D pin 10, alternate functions include USART3_CK, FMC_D15, LCD_B3 |
| 80 | PD11 | bidirectional | GPIO Port D pin 11, alternate functions include USART3_CTS, FMC_A16 |
| 81 | PD12 | bidirectional | GPIO Port D pin 12, alternate functions include TIM4_CH1, USART3_RTS, FMC_A17 |
| 82 | PD13 | bidirectional | GPIO Port D pin 13, alternate functions include TIM4_CH2, FMC_A18 |
| 83 | VSS | power_in | Ground (Negative supply) |
| 84 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 85 | PD14 | bidirectional | GPIO Port D pin 14, alternate functions include TIM4_CH3, FMC_D0 |
| 86 | PD15 | bidirectional | GPIO Port D pin 15, alternate functions include TIM4_CH4, FMC_D1 |
| 87 | PG2 | bidirectional | GPIO Port G pin 2, alternate functions include FMC_A12 |
| 88 | PG3 | bidirectional | GPIO Port G pin 3, alternate functions include FMC_A13 |
| 89 | PG4 | bidirectional | GPIO Port G pin 4, alternate functions include FMC_A14/FMC_BA0 |
| 90 | PG5 | bidirectional | GPIO Port G pin 5, alternate functions include FMC_A15/FMC_BA1 |
| 91 | PG6 | bidirectional | GPIO Port G pin 6, alternate functions include FMC_INT2, DCMI_D12, LCD_R7 |
| 92 | PG7 | bidirectional | GPIO Port G pin 7, alternate functions include USART6_CK, FMC_INT3, DCMI_D13, LCD_CLK |
| 93 | PG8 | bidirectional | GPIO Port G pin 8, alternate functions include SPI6_NSS, USART6_RTS, ETH_PPS_OUT, FMC_SDCLK |
| 94 | VSS | power_in | Ground (Negative supply) |
| 95 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 96 | PC6 | bidirectional | GPIO Port C pin 6, alternate functions include TIM3_CH1, TIM8_CH1, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, LCD_HSYNC |
| 97 | PC7 | bidirectional | GPIO Port C pin 7, alternate functions include TIM3_CH2, TIM8_CH2, I2S3_MCK, USART6_RX, SDIO_D7, DCMI_D1, LCD_G6 |
| 98 | PC8 | bidirectional | GPIO Port C pin 8, alternate functions include TIM3_CH3, TIM8_CH3, USART6_CK, SDIO_D0, DCMI_D2 |
| 99 | PC9 | bidirectional | GPIO Port C pin 9, alternate functions include MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, SDIO_D1, DCMI_D3 |
| 100 | PA8 | bidirectional | GPIO Port A pin 8, alternate functions include MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, LCD_R6 |
| 101 | PA9 | bidirectional | GPIO Port A pin 9, alternate functions include TIM1_CH2, I2C3_SMBA, USART1_TX, DCMI_D0, OTG_FS_VBUS |
| 102 | PA10 | bidirectional | GPIO Port A pin 10, alternate functions include TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1 |
| 103 | PA11 | bidirectional | GPIO Port A pin 11, alternate functions include TIM1_CH4, USART1_CTS, CAN1_RX, LCD_R4, OTG_FS_DM |
| 104 | PA12 | bidirectional | GPIO Port A pin 12, alternate functions include TIM1_ETR, USART1_RTS, CAN1_TX, LCD_R5, OTG_FS_DP |
| 105 | PA13 | bidirectional | GPIO Port A pin 13, alternate functions include JTMS-SWDIO debug interface |
| 106 | VCAP_2 | power_in | Capacitive load connection for internal voltage regulator (2.2 µF ceramic capacitor required) |
| 107 | VSS | power_in | Ground (Negative supply) |
| 108 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 109 | PA14 | bidirectional | GPIO Port A pin 14, alternate functions include JTCK-SWCLK debug interface |
| 110 | PA15 | bidirectional | GPIO Port A pin 15, alternate functions include JTDI debug interface, TIM2_CH1/TIM2_ETR, SPI1_NSS, SPI3_NSS/I2S3_WS |
| 111 | PC10 | bidirectional | GPIO Port C pin 10, alternate functions include SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, SDIO_D2, DCMI_D8, LCD_R2 |
| 112 | PC11 | bidirectional | GPIO Port C pin 11, alternate functions include I2S3ext_SD, SPI3_MISO, USART3_RX, UART4_RX, SDIO_D3, DCMI_D4 |
| 113 | PC12 | bidirectional | GPIO Port C pin 12, alternate functions include SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9 |
| 114 | PD0 | bidirectional | GPIO Port D pin 0, alternate functions include CAN1_RX, FMC_D2 |
| 115 | PD1 | bidirectional | GPIO Port D pin 1, alternate functions include CAN1_TX, FMC_D3 |
| 116 | PD2 | bidirectional | GPIO Port D pin 2, alternate functions include TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11 |
| 117 | PD3 | bidirectional | GPIO Port D pin 3, alternate functions include SPI2_SCK/I2S2_CK, USART2_CTS, FMC_CLK, DCMI_D5, LCD_G7 |
| 118 | PD4 | bidirectional | GPIO Port D pin 4, alternate functions include USART2_RTS, FMC_NOE |
| 119 | PD5 | bidirectional | GPIO Port D pin 5, alternate functions include USART2_TX, FMC_NWE |
| 120 | VSS | power_in | Ground (Negative supply) |
| 121 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 122 | PD6 | bidirectional | GPIO Port D pin 6, alternate functions include SPI3_MOSI/I2S3_SD, SAI1_SD_A, USART2_RX, FMC_NWAIT, DCMI_D10, LCD_B2 |
| 123 | PD7 | bidirectional | GPIO Port D pin 7, alternate functions include USART2_CK, FMC_NE1/FMC_NCE2 |
| 124 | PG9 | bidirectional | GPIO Port G pin 9, alternate functions include USART6_RX, FMC_NE2/FMC_NCE3, DCMI_VSYNC |
| 125 | PG10 | bidirectional | GPIO Port G pin 10, alternate functions include LCD_G3, FMC_NCE4_1/FMC_NE3, DCMI_D2, LCD_B2 |
| 126 | PG11 | bidirectional | GPIO Port G pin 11, alternate functions include ETH_MII_TX_EN/ETH_RMII_TX_EN, FMC_NCE4_2, DCMI_D3, LCD_B3 |
| 127 | PG12 | bidirectional | GPIO Port G pin 12, alternate functions include SPI6_MISO, USART6_RTS, LCD_B4, FMC_NE4, LCD_B1 |
| 128 | PG13 | bidirectional | GPIO Port G pin 13, alternate functions include SPI6_SCK, USART6_CTS, ETH_MII_TXD0/ETH_RMII_TXD0, FMC_A24 |
| 129 | PG14 | bidirectional | GPIO Port G pin 14, alternate functions include SPI6_MOSI, USART6_TX, ETH_MII_TXD1/ETH_RMII_TXD1, FMC_A25 |
| 130 | VSS | power_in | Ground (Negative supply) |
| 131 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |
| 132 | PG15 | bidirectional | GPIO Port G pin 15, alternate functions include USART6_CTS, FMC_SDNCAS, DCMI_D13 |
| 133 | PB3 | bidirectional | GPIO Port B pin 3, alternate functions include JTDO/TRACESWO debug interface, TIM2_CH2, SPI1_SCK, SPI3_SCK/I2S3_CK |
| 134 | PB4 | bidirectional | GPIO Port B pin 4, alternate functions include NJTRST debug interface, TIM3_CH1, SPI1_MISO, SPI3_MISO, I2S3ext_SD |
| 135 | PB5 | bidirectional | GPIO Port B pin 5, alternate functions include TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, ETH_PPS_OUT, FMC_SDCKE1, DCMI_D10 |
| 136 | PB6 | bidirectional | GPIO Port B pin 6, alternate functions include TIM4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, FMC_SDNE1, DCMI_D5 |
| 137 | PB7 | bidirectional | GPIO Port B pin 7, alternate functions include TIM4_CH2, I2C1_SDA, USART1_RX, FMC_NL, DCMI_VSYNC |
| 138 | BOOT0 | input | Boot selection pin for choosing between Flash, system memory, or embedded SRAM |
| 139 | PB8 | bidirectional | GPIO Port B pin 8, alternate functions include TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, ETH_MII_TXD3, SDIO_D4, DCMI_D6, LCD_B6 |
| 140 | PB9 | bidirectional | GPIO Port B pin 9, alternate functions include TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, CAN1_TX, SDIO_D5, DCMI_D7, LCD_B7 |
| 141 | PE0 | bidirectional | GPIO Port E pin 0, alternate functions include TIM4_ETR, UART8_RX, FMC_NBL0, DCMI_D2 |
| 142 | PE1 | bidirectional | GPIO Port E pin 1, alternate functions include UART8_TX, FMC_NBL1, DCMI_D3 |
| 143 | PDR_ON | input |  |
| 144 | VDD | power_in | Positive supply voltage (1.7-3.6 V) |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-144(20x20) |
| Category | Embedded Processors & Controllers |
| Pins | 144 |

## CAD (KiCad official)

- Symbol: `STM32F429ZIT6`
- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`
- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
- 3D model files: `stm32f429zit6-etched.step` / `stm32f429zit6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f429zit6.step` / `stm32f429zit6.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182526204960768) (226 pp, sha256 `9eccb942b0df757c`, retrieved 2026-09-29, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/stm32f429zit6-datasheet.pdf)