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STM32F412ZET6

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

STM32F412ZET6 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, 5V tolerant I/O; alternate functions include TRACECLK, SPI4_SCK/I2S4_CK, SPI5_SCK/I2S5_CK, QUADSPI_BK1_IO2, FSMC_A23
2	PE3	bidirectional	GPIO Port E pin 3, 5V tolerant I/O; alternate functions include TRACED0, FSMC_A19
3	PE4	bidirectional	GPIO Port E pin 4, 5V tolerant I/O; alternate functions include TRACED1, SPI4_NSS/I2S4_WS, SPI5_NSS/I2S5_WS, DFSDM1_DATIN3, FSMC_A20
4	PE5	bidirectional	GPIO Port E pin 5, 5V tolerant I/O; alternate functions include TRACED2, TIM9_CH1, SPI4_MISO, SPI5_MISO, DFSDM1_CKIN3, FSMC_A21
5	PE6	bidirectional	GPIO Port E pin 6, 5V tolerant I/O; alternate functions include TRACED3, TIM9_CH2, SPI4_MOSI/I2S4_SD, SPI5_MOSI/I2S5_SD, FSMC_A22
6	VBAT	power_in	Backup domain supply voltage for RTC and backup registers, 1.7 V to 3.6 V
7	PC13	bidirectional	GPIO Port C pin 13, 5V tolerant I/O with 3mA max source/sink via power switch; speed ≤2MHz with 30pF load; TAMP_1 function for RTC tamper detection
8	PC14-OSC32_IN	bidirectional	GPIO Port C pin 14 or 32 kHz oscillator input, 5V tolerant except in oscillator mode; speed ≤2MHz with 30pF load via power switch
9	PC15-OSC32_OUT	bidirectional	GPIO Port C pin 15 or 32 kHz oscillator output, 5V tolerant except in oscillator mode; speed ≤2MHz with 30pF load via power switch
10	PF0	bidirectional	GPIO Port F pin 0, 5V tolerant I/O; alternate functions include I2C2_SDA, FSMC_A0
11	PF1	bidirectional	GPIO Port F pin 1, 5V tolerant I/O; alternate functions include I2C2_SCL, FSMC_A1
12	PF2	bidirectional	GPIO Port F pin 2, 5V tolerant I/O; alternate functions include I2C2_SMBA, FSMC_A2
13	PF3	bidirectional	GPIO Port F pin 3, 5V tolerant I/O; alternate functions include TIM5_CH1, FSMC_A3
14	PF4	bidirectional	GPIO Port F pin 4, 5V tolerant I/O; alternate functions include TIM5_CH2, FSMC_A4
15	PF5	bidirectional	GPIO Port F pin 5, 5V tolerant I/O; alternate functions include TIM5_CH3, FSMC_A5
16	VSS	power_in	Ground connection (return path for VDD)
17	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
18	PF6	bidirectional	GPIO Port F pin 6, 5V tolerant I/O; alternate functions include TRACED0, TIM10_CH1, QUADSPI_BK1_IO3
19	PF7	bidirectional	GPIO Port F pin 7, 5V tolerant I/O; alternate functions include TRACED1, TIM11_CH1, QUADSPI_BK1_IO2
20	PF8	bidirectional	GPIO Port F pin 8, 5V tolerant I/O; alternate functions include TIM13_CH1, QUADSPI_BK1_IO0
21	PF9	bidirectional	GPIO Port F pin 9, 5V tolerant I/O; alternate functions include TIM14_CH1, QUADSPI_BK1_IO1
22	PF10	bidirectional	GPIO Port F pin 10, 5V tolerant I/O; alternate functions include TIM1_ETR, TIM5_CH4
23	PH0-OSC_IN	bidirectional	GPIO Port H pin 0 or main oscillator input, 5V tolerant except in oscillator mode
24	PH1-OSC_OUT	bidirectional	GPIO Port H pin 1 or main oscillator output, 5V tolerant except in oscillator mode
25	NRST	bidirectional	Bidirectional reset pin with embedded weak pull-up resistor, active low; used for system reset
26	PC0	bidirectional	GPIO Port C pin 0, 5V tolerant I/O; ADC1_IN10 input, WKUP2 wakeup function
27	PC1	bidirectional	GPIO Port C pin 1, 5V tolerant I/O; ADC1_IN11 input, WKUP3 wakeup function
28	PC2	bidirectional	GPIO Port C pin 2, 5V tolerant I/O; alternate functions include SPI2_MISO, I2S2ext_SD, DFSDM1_CKOUT, FSMC_NWE; ADC1_IN12
29	PC3	bidirectional	GPIO Port C pin 3, 5V tolerant I/O; alternate functions include SPI2_MOSI/I2S2_SD, FSMC_A0; ADC1_IN13
30	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
31	VSSA/VREF-	power_in	ADC ground supply and negative reference voltage, 0 V
32	VREF+	power_in	ADC positive reference voltage, 1.62 V to 3.6 V
33	VDDA	power_in	ADC analog supply voltage, 1.62 V to 3.6 V
34	PA0	bidirectional	GPIO Port A pin 0, 5V tolerant I/O; alternate functions include TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS; ADC1_IN0, WKUP1
35	PA1	bidirectional	GPIO Port A pin 1, 5V tolerant I/O; alternate functions include TIM2_CH2, TIM5_CH2, SPI4_MOSI/I2S4_SD, USART2_RTS, QUADSPI_BK1_IO3; ADC1_IN1
36	PA2	bidirectional	GPIO Port A pin 2, 5V tolerant I/O; alternate functions include TIM2_CH3, TIM5_CH3, TIM9_CH1, I2S2_CKIN, USART2_TX, FSMC_D4/FSMC_DA4; ADC1_IN2
37	PA3	bidirectional	GPIO Port A pin 3, 5V tolerant I/O; alternate functions include TIM2_CH4, TIM5_CH4, TIM9_CH2, I2S2_MCK, USART2_RX, FSMC_D5/FSMC_DA5; ADC1_IN3
38	VSS	power_in	Ground connection (return path for VDD)
39	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
40	PA4	bidirectional	GPIO Port A pin 4, 5V tolerant I/O; alternate functions include SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, DFSDM1_DATIN1, FSMC_D6/FSMC_DA6; ADC1_IN4
41	PA5	bidirectional	GPIO Port A pin 5, 5V tolerant I/O; alternate functions include TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, DFSDM1_CKIN1, FSMC_D7/FSMC_DA7; ADC1_IN5
42	PA6	bidirectional	GPIO Port A pin 6, 5V tolerant I/O; alternate functions include TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, QUADSPI_BK2_IO0, SDIO_CMD; ADC1_IN6
43	PA7	bidirectional	GPIO Port A pin 7, 5V tolerant I/O; alternate functions include TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, QUADSPI_BK2_IO1; ADC1_IN7
44	PC4	bidirectional	GPIO Port C pin 4, 5V tolerant I/O; alternate functions include I2S1_MCK, QUADSPI_BK2_IO2, FSMC_NE4; ADC1_IN14
45	PC5	bidirectional	GPIO Port C pin 5, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, USART3_RX, QUADSPI_BK2_IO3, FSMC_NOE; ADC1_IN15
46	PB0	bidirectional	GPIO Port B pin 0, 5V tolerant I/O; alternate functions include TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI5_SCK/I2S5_CK; ADC1_IN8
47	PB1	bidirectional	GPIO Port B pin 1, 5V tolerant I/O; alternate functions include TIM1_CH3N, TIM3_CH4, TIM8_CH3N, SPI5_NSS/I2S5_WS, DFSDM1_DATIN0, QUADSPI_CLK; ADC1_IN9
48	PB2	bidirectional	GPIO Port B pin 2, 5V tolerant I/O; alternate functions include DFSDM1_CKIN0, QUADSPI_CLK; BOOT1 function
49	PF11	bidirectional	GPIO Port F pin 11, 5V tolerant I/O; alternate function TIM8_ETR
50	PF12	bidirectional	GPIO Port F pin 12, 5V tolerant I/O; alternate functions include TIM8_BKIN, FSMC_A6
51	VSS	power_in	Ground connection (return path for VDD)
52	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
53	PF13	bidirectional	GPIO Port F pin 13, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, FSMC_A7
54	PF14	bidirectional	GPIO Port F pin 14, 5V tolerant I/O; alternate functions include I2CFMP1_SCL, FSMC_A8
55	PF15	bidirectional	GPIO Port F pin 15, 5V tolerant I/O; alternate functions include I2CFMP1_SDA, FSMC_A9
56	PG0	bidirectional	GPIO Port G pin 0, 5V tolerant I/O; alternate functions include CAN1_RX, FSMC_A10
57	PG1	bidirectional	GPIO Port G pin 1, 5V tolerant I/O; alternate functions include CAN1_TX, FSMC_A11
58	PE7	bidirectional	GPIO Port E pin 7, 5V tolerant I/O; alternate functions include TIM1_ETR, DFSDM1_DATIN2, QUADSPI_BK2_IO0, FSMC_D4/FSMC_DA4
59	PE8	bidirectional	GPIO Port E pin 8, 5V tolerant I/O; alternate functions include TIM1_CH1N, DFSDM1_CKIN2, QUADSPI_BK2_IO1, FSMC_D5/FSMC_DA5
60	PE9	bidirectional	GPIO Port E pin 9, 5V tolerant I/O; alternate functions include TIM1_CH1, DFSDM1_CKOUT, QUADSPI_BK2_IO2, FSMC_D6/FSMC_DA6
61	VSS	power_in	Ground connection (return path for VDD)
62	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
63	PE10	bidirectional	GPIO Port E pin 10, 5V tolerant I/O; alternate functions include TIM1_CH2N, QUADSPI_BK2_IO3, FSMC_D7/FSMC_DA7
64	PE11	bidirectional	GPIO Port E pin 11, 5V tolerant I/O; alternate functions include TIM1_CH2, SPI4_NSS/I2S4_WS, SPI5_NSS/I2S5_WS, FSMC_D8/FSMC_DA8
65	PE12	bidirectional	GPIO Port E pin 12, 5V tolerant I/O; alternate functions include TIM1_CH3N, SPI4_SCK/I2S4_CK, SPI5_SCK/I2S5_CK, FSMC_D9/FSMC_DA9
66	PE13	bidirectional	GPIO Port E pin 13, 5V tolerant I/O; alternate functions include TIM1_CH3, SPI4_MISO, SPI5_MISO, FSMC_D10/FSMC_DA10
67	PE14	bidirectional	GPIO Port E pin 14, 5V tolerant I/O; alternate functions include TIM1_CH4, SPI4_MOSI/I2S4_SD, SPI5_MOSI/I2S5_SD, FSMC_D11/FSMC_DA11
68	PE15	bidirectional	GPIO Port E pin 15, 5V tolerant I/O; alternate functions include TIM1_BKIN, FSMC_D12/FSMC_DA12
69	PB10	bidirectional	GPIO Port B pin 10, 5V tolerant I/O; alternate functions include TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, I2S3_MCK, USART3_TX, I2CFMP1_SCL, SDIO_D7
70	PB11	bidirectional	GPIO Port B pin 11, 5V tolerant I/O; alternate functions include TIM2_CH4, I2C2_SDA, I2S2_CKIN, USART3_RX
71	VCAP_1	power_in	Decoupling capacitor pin for internal voltage regulator, connect external capacitor to ground
72	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
73	PB12	bidirectional	GPIO Port B pin 12, 5V tolerant I/O; alternate functions include TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SPI4_NSS/I2S4_WS, SPI3_SCK/I2S3_CK, USART3_CK, CAN2_RX, DFSDM1_DATIN1, FSMC_D13/FSMC_DA13
74	PB13	bidirectional	GPIO Port B pin 13, 5V tolerant I/O; alternate functions include TIM1_CH1N, I2CFMP1_SMBA, SPI2_SCK/I2S2_CK, SPI4_SCK/I2S4_CK, USART3_CTS, CAN2_TX, DFSDM1_CKIN1
75	PB14	bidirectional	GPIO Port B pin 14, 5V tolerant I/O; alternate functions include TIM1_CH2N, TIM8_CH2N, I2CFMP1_SDA, SPI2_MISO, I2S2ext_SD, USART3_RTS, DFSDM1_DATIN2, TIM12_CH1, FSMC_D0/FSMC_DA0, SDIO_D6
76	PB15	bidirectional	GPIO Port B pin 15, 5V tolerant I/O; alternate functions include RTC_50Hz, TIM1_CH3N, TIM8_CH3N, I2CFMP1_SCL, SPI2_MOSI/I2S2_SD, DFSDM1_CKIN2, TIM12_CH2, SDIO_CK
77	PD8	bidirectional	GPIO Port D pin 8, 5V tolerant I/O; alternate functions include USART3_TX, FSMC_D13/FSMC_DA13
78	PD9	bidirectional	GPIO Port D pin 9, 5V tolerant I/O; alternate functions include USART3_RX, FSMC_D14/FSMC_DA14
79	PD10	bidirectional	GPIO Port D pin 10, 5V tolerant I/O; alternate functions include USART3_CK, FSMC_D15/FSMC_DA15
80	PD11	bidirectional	GPIO Port D pin 11, 5V tolerant I/O; alternate functions include I2CFMP1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, FSMC_A16
81	PD12	bidirectional	GPIO Port D pin 12, 5V tolerant I/O; alternate functions include TIM4_CH1, I2CFMP1_SCL, USART3_RTS, QUADSPI_BK1_IO1, FSMC_A17
82	PD13	bidirectional	GPIO Port D pin 13, 5V tolerant I/O; alternate functions include TIM4_CH2, I2CFMP1_SDA, QUADSPI_BK1_IO3, FSMC_A18
83	VSS	power_in	Ground connection (return path for VDD)
84	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
85	PD14	bidirectional	GPIO Port D pin 14, 5V tolerant I/O; alternate functions include TIM4_CH3, I2CFMP1_SCL, FSMC_D0/FSMC_DA0
86	PD15	bidirectional	GPIO Port D pin 15, 5V tolerant I/O; alternate functions include TIM4_CH4, I2CFMP1_SDA, FSMC_D1/FSMC_DA1
87	PG2	bidirectional	GPIO Port G pin 2, 5V tolerant I/O; alternate function FSMC_A12
88	PG3	bidirectional	GPIO Port G pin 3, 5V tolerant I/O; alternate function FSMC_A13
89	PG4	bidirectional	GPIO Port G pin 4, 5V tolerant I/O; alternate function FSMC_A14
90	PG5	bidirectional	GPIO Port G pin 5, 5V tolerant I/O; alternate function FSMC_A15
91	PG6	bidirectional	GPIO Port G pin 6, 5V tolerant I/O; alternate function QUADSPI_BK1_NCS
92	PG7	bidirectional	GPIO Port G pin 7, 5V tolerant I/O; alternate function USART6_CK
93	PG8	bidirectional	GPIO Port G pin 8, 5V tolerant I/O; alternate function USART6_RTS
94	VSS	power_in	Ground connection (return path for VDD)
95	VDDUSB	power_in	USB supply voltage, 4.3 V to 5.5 V; isolated from main VDD
96	PC6	bidirectional	GPIO Port C pin 6, 5V tolerant I/O; alternate functions include TIM3_CH1, TIM8_CH1, I2CFMP1_SCL, I2S2_MCK, DFSDM1_CKIN3, USART6_TX, FSMC_D1/FSMC_DA1, SDIO_D6
97	PC7	bidirectional	GPIO Port C pin 7, 5V tolerant I/O; alternate functions include TIM3_CH2, TIM8_CH2, I2CFMP1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, USART6_RX, DFSDM1_DATIN3, SDIO_D7
98	PC8	bidirectional	GPIO Port C pin 8, 5V tolerant I/O; alternate functions include TIM3_CH3, TIM8_CH3, USART6_CK, QUADSPI_BK1_IO2, SDIO_D0
99	PC9	bidirectional	GPIO Port C pin 9, 5V tolerant I/O; alternate functions include MCO_2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S2_CKIN, QUADSPI_BK1_IO0, SDIO_D1
100	PA8	bidirectional	GPIO Port A pin 8, 5V tolerant I/O; alternate functions include MCO_1, TIM1_CH1, I2C3_SCL, USART1_CK, USB_FS_SOF, SDIO_D1
101	PA9	bidirectional	GPIO Port A pin 9, 5V tolerant I/O; alternate functions include TIM1_CH2, I2C3_SMBA, USART1_TX, USB_FS_VBUS, SDIO_D2
102	PA10	bidirectional	GPIO Port A pin 10, 5V tolerant I/O; alternate functions include TIM1_CH3, SPI5_MOSI/I2S5_SD, USART1_RX, USB_FS_ID
103	PA11	bidirectional	GPIO Port A pin 11, 5V tolerant I/O; alternate functions include TIM1_CH4, SPI4_MISO, USART1_CTS, USART6_TX, CAN1_RX, USB_FS_DM
104	PA12	bidirectional	GPIO Port A pin 12, 5V tolerant I/O; alternate functions include TIM1_ETR, SPI5_MISO, USART1_RTS, USART6_RX, CAN1_TX, USB_FS_DP
105	PA13	bidirectional	GPIO Port A pin 13, 5V tolerant I/O; alternate function JTMS-SWDIO for JTAG/SWD debug interface
106	VCAP_2	power_in	Decoupling capacitor pin for internal voltage regulator, connect external capacitor to ground
107	VSS	power_in	Ground connection (return path for VDD)
108	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
109	PA14	bidirectional	GPIO Port A pin 14, 5V tolerant I/O; alternate function JTCK-SWCLK for JTAG/SWD debug interface
110	PA15	bidirectional	GPIO Port A pin 15, 5V tolerant I/O; alternate functions include JTDI, TIM2_CH1/TIM2_ETR, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART1_TX
111	PC10	bidirectional	GPIO Port C pin 10, 5V tolerant I/O; alternate functions include SPI3_SCK/I2S3_CK, USART3_TX, QUADSPI_BK1_IO1, SDIO_D2
112	PC11	bidirectional	GPIO Port C pin 11, 5V tolerant I/O; alternate functions include I2S3ext_SD, SPI3_MISO, USART3_RX, QUADSPI_BK2_NCS, FSMC_D2/FSMC_DA2, SDIO_D3
113	PC12	bidirectional	GPIO Port C pin 12, 5V tolerant I/O; alternate functions include SPI3_MOSI/I2S3_SD, USART3_CK, FSMC_D3/FSMC_DA3, SDIO_CK
114	PD0	bidirectional	GPIO Port D pin 0, 5V tolerant I/O; alternate functions include CAN1_RX, FSMC_D2/FSMC_DA2
115	PD1	bidirectional	GPIO Port D pin 1, 5V tolerant I/O; alternate functions include CAN1_TX, FSMC_D3/FSMC_DA3
116	PD2	bidirectional	GPIO Port D pin 2, 5V tolerant I/O; alternate functions include TIM3_ETR, FSMC_NWE, SDIO_CMD
117	PD3	bidirectional	GPIO Port D pin 3, 5V tolerant I/O; alternate functions include TRACED1, SPI2_SCK/I2S2_CK, DFSDM1_DATIN0, USART2_CTS, QUADSPI_CLK, FSMC_CLK
118	PD4	bidirectional	GPIO Port D pin 4, 5V tolerant I/O; alternate functions include DFSDM1_CKIN0, USART2_RTS, FSMC_NOE
119	PD5	bidirectional	GPIO Port D pin 5, 5V tolerant I/O; alternate functions include USART2_TX, FSMC_NWE
120	VSS	power_in	Ground connection (return path for VDD)
121	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
122	PD6	bidirectional	GPIO Port D pin 6, 5V tolerant I/O; alternate functions include SPI3_MOSI/I2S3_SD, DFSDM1_DATIN1, USART2_RX, FSMC_NWAIT
123	PD7	bidirectional	GPIO Port D pin 7, 5V tolerant I/O; alternate functions include DFSDM1_CKIN1, USART2_CK, FSMC_NE1
124	PG9	bidirectional	GPIO Port G pin 9, 5V tolerant I/O; alternate functions include USART6_RX, QUADSPI_BK2_IO2, FSMC_NE2
125	PG10	bidirectional	GPIO Port G pin 10, 5V tolerant I/O; alternate function FSMC_NE3
126	PG11	bidirectional	GPIO Port G pin 11, 5V tolerant I/O; alternate function CAN2_RX
127	PG12	bidirectional	GPIO Port G pin 12, 5V tolerant I/O; alternate functions include USART6_RTS, CAN2_TX, FSMC_NE4
128	PG13	bidirectional	GPIO Port G pin 13, 5V tolerant I/O; alternate functions include TRACED2, USART6_CTS, FSMC_A24
129	PG14	bidirectional	GPIO Port G pin 14, 5V tolerant I/O; alternate functions include TRACED3, USART6_TX, QUADSPI_BK2_IO3, FSMC_A25
130	VSS	power_in	Ground connection (return path for VDD)
131	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V
132	PG15	bidirectional	GPIO Port G pin 15, 5V tolerant I/O; alternate function USART6_CTS
133	PB3	bidirectional	GPIO Port B pin 3, 5V tolerant I/O; alternate functions include JTDO-SWO, TIM2_CH2, I2CFMP1_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, USART1_RX, I2C2_SDA
134	PB4	bidirectional	GPIO Port B pin 4, 5V tolerant I/O; alternate functions include JTRST, TIM3_CH1, SPI1_MISO, SPI3_MISO, I2S3ext_SD, I2C3_SDA, SDIO_D0
135	PB5	bidirectional	GPIO Port B pin 5, 5V tolerant I/O; alternate functions include TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, SDIO_D3
136	PB6	bidirectional	GPIO Port B pin 6, 5V tolerant I/O; alternate functions include TIM4_CH1, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, SDIO_D0
137	PB7	bidirectional	GPIO Port B pin 7, 5V tolerant I/O; alternate functions include TIM4_CH2, I2C1_SDA, USART1_RX, FSMC_NL
138	BOOT0	input	Dedicated boot pin, 5V tolerant input; selects boot source mode; internal pull-down; VPP for JTAG programming
139	PB8	bidirectional	GPIO Port B pin 8, 5V tolerant I/O; alternate functions include TIM4_CH3, TIM10_CH1, I2C1_SCL, SPI5_MOSI/I2S5_SD, CAN1_RX, I2C3_SDA, SDIO_D4
140	PB9	bidirectional	GPIO Port B pin 9, 5V tolerant I/O; alternate functions include TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, CAN1_TX, I2C2_SDA, SDIO_D5
141	PE0	bidirectional	GPIO Port E pin 0, 5V tolerant I/O; alternate functions include TIM4_ETR, FSMC_NBL0
142	PE1	bidirectional	GPIO Port E pin 1, 5V tolerant I/O; alternate function FSMC_NBL1
143	PDR_ON	input	Power down reset enable input, 5V tolerant; active high to enable internal power down reset
144	VDD	power_in	Main supply voltage, 1.7 V to 3.6 V

Key specifications

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

CAD (KiCad official)

Symbol: STM32F412ZET6
Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
3D model files: stm32f412zet6-etched.step / stm32f412zet6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f412zet6.step / stm32f412zet6.glb are the bare package body.

Provenance

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

Datasheet: STMicroelectronics datasheet (201 pp, sha256 d640babe702a369d, retrieved 2026-10-03, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF