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GD32F427ZGT6

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GigaDevice Semicon Beijing Microcontroller Units (MCUs/MPUs/SOCs), LQFP-144(20x20). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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GD32F427ZGT6

GigaDevice Semicon Beijing · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-144(20x20)

GD32F427ZGT6 from GigaDevice Semicon Beijing, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PE2 bidirectional Default PE2, 5 V tolerant I/O; alternate functions ENET_MII_TXD3, EXMC_A23, EVENTOUT.
2 PE3 bidirectional Default PE3, 5 V tolerant I/O; alternate functions EXMC_A19, EVENTOUT.
3 PE4 bidirectional Default PE4, 5 V tolerant I/O; alternate functions EXMC_A20, DCI_D4, EVENTOUT.
4 PE5 bidirectional Default PE5, 5 V tolerant I/O; alternate functions TIMER8_CH0, EXMC_A21, DCI_D6, EVENTOUT.
5 PE6 bidirectional Default PE6, 5 V tolerant I/O; alternate functions TIMER8_CH1, EXMC_A22, DCI_D7, EVENTOUT.
6 VBAT power_in Power pin, default function VBAT.
7 PC13-TAMPER-RTC bidirectional Default PC13, 5 V tolerant I/O; additional functions RTC_TAMP0, RTC_OUT, RTC_TS; alternate EVENTOUT.
8 PC14-OSC32IN bidirectional Default PC14, 5 V tolerant I/O; additional function OSC32IN; alternate EVENTOUT.
9 PC15-OSC32OUT bidirectional Default PC15, 5 V tolerant I/O; additional function OSC32OUT; alternate EVENTOUT.
10 PF0 bidirectional Default PF0, 5 V tolerant I/O; alternate functions I2C1_SDA, EXMC_A0, EVENTOUT, CTC_SYNC.
11 PF1 bidirectional Default PF1, 5 V tolerant I/O; alternate functions I2C1_SCL, EXMC_A1, EVENTOUT.
12 PF2 bidirectional Default PF2, 5 V tolerant I/O; alternate functions I2C1_SMBA, EXMC_A2, EVENTOUT.
13 PF3 bidirectional Default PF3, 5 V tolerant I/O; alternate functions EXMC_A3, EVENTOUT, I2C1_TXFRAME; additional function ADC2_IN9.
14 PF4 bidirectional Default PF4, 5 V tolerant I/O; alternate functions EXMC_A4, EVENTOUT; additional function ADC2_IN14.
15 PF5 bidirectional Default PF5, 5 V tolerant I/O; alternate functions EXMC_A5, EVENTOUT; additional function ADC2_IN15.
16 VSS power_in Power pin, default function VSS.
17 VDD power_in Power pin, default function VDD.
18 PF6 bidirectional Default PF6, 5 V tolerant I/O; alternate functions TIMER9_CH0, EXMC_NIORD, EVENTOUT; additional function ADC2_IN4.
19 PF7 bidirectional Default PF7, 5 V tolerant I/O; alternate functions TIMER10_CH0, EXMC_NREG, EVENTOUT; additional function ADC2_IN5.
20 PF8 bidirectional Default PF8, 5 V tolerant I/O; alternate functions TIMER12_CH0, EXMC_NIOWR, EVENTOUT; additional function ADC2_IN6.
21 PF9 bidirectional Default PF9, 5 V tolerant I/O; alternate functions TIMER13_CH0, EXMC_CD, EVENTOUT; additional function ADC2_IN7.
22 PF10 bidirectional Default PF10, 5 V tolerant I/O; alternate functions EXMC_INTR, DCI_D11, EVENTOUT; additional function ADC2_IN8.
23 PH0-OSCIN bidirectional Default PH0, 5 V tolerant I/O; additional function OSCIN; alternate EVENTOUT.
24 PH1-OSCOUT bidirectional Default PH1, 5 V tolerant I/O; additional function OSCOUT; alternate EVENTOUT.
25 NRST input Default function NRST, reset pin.
26 PC0 bidirectional Default PC0, 5 V tolerant I/O; alternate functions USBHS_ULPI_STP, EXMC_SDNWE, EVENTOUT; additional function ADC012_IN10.
27 PC1 bidirectional Default PC1, 5 V tolerant I/O; alternate functions SPI2_MOSI, I2S2_SD, SPI1_MOSI, I2S1_SD, ENET_MDC, EVENTOUT; additional function ADC012_IN11.
28 PC2 bidirectional Default PC2, 5 V tolerant I/O; alternate functions SPI1_MISO, I2S1_ADD_SD, USBHS_ULPI_DIR, ENET_MII_TXD2, EXMC_SDNE0, EVENTOUT; additional function ADC012_IN12.
29 PC3 bidirectional Default PC3, 5 V tolerant I/O; alternate functions SPI1_MOSI, I2S1_SD, USBHS_ULPI_NXT, ENET_MII_TX_CLK, EXMC_SDCKE0, EVENTOUT; additional function ADC012_IN13.
30 VDD power_in Power pin, default function VDD.
31 VSSA power_in Analog power pin, default function VSSA.
32 VREFP power_in Analog reference voltage pin, default function VREF+.
33 VDDA power_in Analog power pin, default function VDDA.
34 PA0-WKUP bidirectional Default PA0, 5 V tolerant I/O; alternate functions TIMER1_CH0, TIMER1_ETI, TIMER4_CH0, TIMER7_ETI, USART1_CTS, UART3_TX, ENET_MII_CRS, EVENTOUT; additional functions ADC012_IN0, WKUP.
35 PA1 bidirectional Default PA1, 5 V tolerant I/O; alternate functions TIMER1_CH1, TIMER4_CH1, USART1_RTS, UART3_RX, ENET_MII_RX_CLK, ENET_RMII_REF_CLK, EVENTOUT; additional function ADC012_IN1.
36 PA2 bidirectional Default PA2, 5 V tolerant I/O; alternate functions TIMER1_CH2, TIMER4_CH2, TIMER8_CH0, I2S_CKIN, USART1_TX, ENET_MDIO, EVENTOUT; additional function ADC012_IN2.
37 PA3 bidirectional Default PA3, 5 V tolerant I/O; alternate functions TIMER1_CH3, TIMER4_CH3, TIMER8_CH1, I2S1_MCK, USART1_RX, USBHS_ULPI_D0, ENET_MII_COL, EVENTOUT; additional function ADC012_IN3.
38 VSS power_in Power pin, default function VSS.
39 VDD power_in Power pin, default function VDD.
40 PA4 bidirectional Default PA4; alternate functions SPI0_NSS, SPI2_NSS, I2S2_WS, USART1_CK, USBHS_SOF, DCI_HSYNC, EVENTOUT; additional functions ADC01_IN4, DAC_OUT0.
41 PA5 bidirectional Default PA5; alternate functions TIMER1_CH0, TIMER1_ETI, TIMER7_CH0_ON, SPI0_SCK, USBHS_ULPI_CK, EVENTOUT; additional functions ADC01_IN5, DAC_OUT1.
42 PA6 bidirectional Default PA6, 5 V tolerant I/O; alternate functions TIMER0_BRKIN, TIMER2_CH0, TIMER7_BRKIN, SPI0_MISO, I2S1_MCK, TIMER12_CH0, SDIO_CMD, DCI_PIXCLK, EVENTOUT; additional function ADC01_IN6.
43 PA7 bidirectional Default PA7, 5 V tolerant I/O; alternate functions TIMER0_CH0_ON, TIMER2_CH1, TIMER7_CH0_ON, SPI0_MOSI, TIMER13_CH0, ENET_MII_RX_DV, ENET_RMII_CRS_DV, EXMC_SDNWE, EVENTOUT; additional function ADC01_IN7.
44 PC4 bidirectional Default PC4, 5 V tolerant I/O; alternate functions ENET_MII_RXD0, ENET_RMII_RXD0, EXMC_SDNE0, EVENTOUT; additional function ADC01_IN14.
45 PC5 bidirectional Default PC5, 5 V tolerant I/O; alternate functions USART2_RX, ENET_MII_RXD1, ENET_RMII_RXD1, EXMC_SDCKE0, EVENTOUT; additional function ADC01_IN15.
46 PB0 bidirectional Default PB0, 5 V tolerant I/O; alternate functions TIMER0_CH1_ON, TIMER2_CH2, TIMER7_CH1_ON, SPI2_MOSI, I2S2_SD, USBHS_ULPI_D1, ENET_MII_RXD2, SDIO_D1, EVENTOUT; additional functions ADC01_IN8, IREF.
47 PB1 bidirectional Default PB1, 5 V tolerant I/O; alternate functions TIMER0_CH2_ON, TIMER2_CH3, TIMER7_CH2_ON, USBHS_ULPI_D2, ENET_MII_RXD3, SDIO_D2, EVENTOUT; additional function ADC01_IN9.
48 PB2 bidirectional Default PB2, BOOT1, 5 V tolerant I/O; alternate functions TIMER1_CH3, SPI2_MOSI, I2S2_SD, USBHS_ULPI_D4, SDIO_CK, EVENTOUT.
49 PF11 bidirectional Default PF11, 5 V tolerant I/O; alternate functions EXMC_SDNRAS, DCI_D12, EVENTOUT.
50 PF12 bidirectional Default PF12, 5 V tolerant I/O; alternate functions EXMC_A6, EVENTOUT.
51 VSS power_in Power pin, default function VSS.
52 VDD power_in Power pin, default function VDD.
53 PF13 bidirectional Default PF13, 5 V tolerant I/O; alternate functions EXMC_A7, EVENTOUT.
54 PF14 bidirectional Default PF14, 5 V tolerant I/O; alternate functions EXMC_A8, EVENTOUT.
55 PF15 bidirectional Default PF15, 5 V tolerant I/O; alternate functions EXMC_A9, EVENTOUT.
56 PG0 bidirectional Default PG0, 5 V tolerant I/O; alternate functions EXMC_A10, EVENTOUT.
57 PG1 bidirectional Default PG1, 5 V tolerant I/O; alternate functions EXMC_A11, EVENTOUT.
58 PE7 bidirectional Default PE7, 5 V tolerant I/O; alternate functions TIMER0_ETI, EXMC_D4, EVENTOUT.
59 PE8 bidirectional Default PE8, 5 V tolerant I/O; alternate functions TIMER0_CH0_ON, EXMC_D5, EVENTOUT.
60 PE9 bidirectional Default PE9, 5 V tolerant I/O; alternate functions TIMER0_CH0, EXMC_D6, EVENTOUT.
61 VSS power_in Power pin, default function VSS.
62 VDD power_in Power pin, default function VDD.
63 PE10 bidirectional Default PE10, 5 V tolerant I/O; alternate functions TIMER0_CH1_ON, EXMC_D7, EVENTOUT.
64 PE11 bidirectional Default PE11, 5 V tolerant I/O; alternate functions TIMER0_CH1, EXMC_D8, EVENTOUT.
65 PE12 bidirectional Default PE12, 5 V tolerant I/O; alternate functions TIMER0_CH2_ON, EXMC_D9, EVENTOUT.
66 PE13 bidirectional Default PE13, 5 V tolerant I/O; alternate functions TIMER0_CH2, EXMC_D10, EVENTOUT.
67 PE14 bidirectional Default PE14, 5 V tolerant I/O; alternate functions TIMER0_CH3, EXMC_D11, EVENTOUT.
68 PE15 bidirectional Default PE15, 5 V tolerant I/O; alternate functions TIMER0_BRKIN, EXMC_D12, EVENTOUT.
69 PB10 bidirectional Default PB10, 5 V tolerant I/O; alternate functions TIMER1_CH2, I2C1_SCL, SPI1_SCK, I2S1_CK, I2S2_MCK, USART2_TX, USBHS_ULPI_D3, ENET_MII_RX_ER, SDIO_D7, EVENTOUT.
70 PB11 bidirectional Default PB11, 5 V tolerant I/O; alternate functions TIMER1_CH3, I2C1_SDA, I2S_CKIN, USART2_RX, USBHS_ULPI_D4, ENET_MII_TX_EN, ENET_RMII_TX_EN, EVENTOUT.
71 NC unconnected Not connected.
72 VDD power_in Power pin, default function VDD.
73 PB12 bidirectional Default PB12, 5 V tolerant I/O; alternate functions TIMER0_BRKIN, I2C1_SMBA, SPI1_NSS, I2S1_WS, USART2_CK, CAN1_RX, USBHS_ULPI_D5, ENET_MII_TXD0, ENET_RMII_TXD0, USBHS_ID, EVENTOUT.
74 PB13 bidirectional Default PB13, 5 V tolerant I/O; alternate functions TIMER0_CH0_ON, SPI1_SCK, I2S1_CK, USART2_CTS, CAN1_TX, USBHS_ULPI_D6, ENET_MII_TXD1, ENET_RMII_TXD1, EVENTOUT, I2C1_TXFRAME; additional function USBHS_VBUS.
75 PB14 bidirectional Default PB14, 5 V tolerant I/O; alternate functions TIMER0_CH1_ON, TIMER7_CH1_ON, SPI1_MISO, I2S1_ADD_SD, USART2_RTS, TIMER11_CH0, USBHS_DM, EVENTOUT.
76 PB15 bidirectional Default PB15, 5 V tolerant I/O; alternate functions RTC_REFIN, TIMER0_CH2_ON, TIMER7_CH2_ON, SPI1_MOSI, I2S1_SD, TIMER11_CH1, USBHS_DP, EVENTOUT.
77 PD8 bidirectional Default PD8, 5 V tolerant I/O; alternate functions USART2_TX, EXMC_D13, EVENTOUT.
78 PD9 bidirectional Default PD9, 5 V tolerant I/O; alternate functions USART2_RX, EXMC_D14, EVENTOUT.
79 PD10 bidirectional Default PD10, 5 V tolerant I/O; alternate functions USART2_CK, EXMC_D15, EVENTOUT.
80 PD11 bidirectional Default PD11, 5 V tolerant I/O; alternate functions USART2_CTS, EXMC_A16, EVENTOUT.
81 PD12 bidirectional Default PD12, 5 V tolerant I/O; alternate functions TIMER3_CH0, USART2_RTS, EXMC_A17, EVENTOUT.
82 PD13 bidirectional Default PD13, 5 V tolerant I/O; alternate functions TIMER3_CH1, EXMC_A18, EVENTOUT.
83 VSS power_in Power pin, default function VSS.
84 VDD power_in Power pin, default function VDD.
85 PD14 bidirectional Default PD14, 5 V tolerant I/O; alternate functions TIMER3_CH2, EXMC_D0, EVENTOUT.
86 PD15 bidirectional Default PD15, 5 V tolerant I/O; alternate functions TIMER3_CH3, EXMC_D1, EVENTOUT, CTC_SYNC.
87 PG2 bidirectional Default PG2, 5 V tolerant I/O; alternate functions EXMC_A12, EVENTOUT.
88 PG3 bidirectional Default PG3, 5 V tolerant I/O; alternate functions EXMC_A13, EVENTOUT.
89 PG4 bidirectional Default PG4, 5 V tolerant I/O; alternate functions EXMC_A14, EVENTOUT.
90 PG5 bidirectional Default PG5, 5 V tolerant I/O; alternate functions EXMC_A15, EVENTOUT.
91 PG6 bidirectional Default PG6, 5 V tolerant I/O; alternate functions EXMC_INT1, DCI_D12, EVENTOUT.
92 PG7 bidirectional Default PG7, 5 V tolerant I/O; alternate functions USART5_CK, EXMC_INT2, DCI_D13, EVENTOUT.
93 PG8 bidirectional Default PG8, 5 V tolerant I/O; alternate functions USART5_RTS, ENET_PPS_OUT, EXMC_SDCLK, EVENTOUT.
94 VSS power_in Power pin, default function VSS.
95 VDD power_in Power pin, default function VDD.
96 PC6 bidirectional Default PC6, 5 V tolerant I/O; alternate functions TIMER2_CH0, TIMER7_CH0, I2S1_MCK, USART5_TX, SDIO_D6, DCI_D0, EVENTOUT.
97 PC7 bidirectional Default PC7, 5 V tolerant I/O; alternate functions TIMER2_CH1, TIMER7_CH1, SPI1_SCK, I2S1_CK, I2S2_MCK, USART5_RX, SDIO_D7, DCI_D1, EVENTOUT.
98 PC8 bidirectional Default PC8, 5 V tolerant I/O; alternate functions TIMER2_CH2, TIMER7_CH2, USART5_CK, SDIO_D0, DCI_D2, EVENTOUT.
99 PC9 bidirectional Default PC9, 5 V tolerant I/O; alternate functions CK_OUT1, TIMER2_CH3, TIMER7_CH3, I2C2_SDA, I2S_CKIN, SDIO_D1, DCI_D3, EVENTOUT.
100 PA8 bidirectional Default PA8, 5 V tolerant I/O; alternate functions CK_OUT0, TIMER0_CH0, I2C2_SCL, USART0_CK, USBFS_SOF, SDIO_D1, EVENTOUT, CTC_SYNC.
101 PA9 bidirectional Default PA9, 5 V tolerant I/O; alternate functions TIMER0_CH1, I2C2_SMBA, SPI1_SCK, I2S1_CK, USART0_TX, SDIO_D2, DCI_D0, EVENTOUT; additional function USBFS_VBUS.
102 PA10 bidirectional Default PA10, 5 V tolerant I/O; alternate functions TIMER0_CH2, USART0_RX, USBFS_ID, DCI_D1, EVENTOUT, I2C2_TXFRAME.
103 PA11 bidirectional Default PA11, 5 V tolerant I/O; alternate functions TIMER0_CH3, USART0_CTS, USART5_TX, CAN0_RX, USBFS_DM, EVENTOUT.
104 PA12 bidirectional Default PA12, 5 V tolerant I/O; alternate functions TIMER0_ETI, USART0_RTS, USART5_RX, CAN0_TX, USBFS_DP, EVENTOUT.
105 PA13 bidirectional Default JTMS, SWDIO, PA13, 5 V tolerant I/O; alternate function EVENTOUT.
106 NC unconnected Not connected.
107 VSS power_in Power pin, default function VSS.
108 VDD power_in Power pin, default function VDD.
109 PA14 bidirectional Default JTCK, SWCLK, PA14, 5 V tolerant I/O; alternate function EVENTOUT.
110 PA15 bidirectional Default JTDI, PA15, 5 V tolerant I/O; alternate functions TIMER1_CH0, TIMER1_ETI, SPI0_NSS, SPI2_NSS, I2S2_WS, USART0_TX, EVENTOUT.
111 PC10 bidirectional Default PC10, 5 V tolerant I/O; alternate functions SPI2_SCK, I2S2_CK, USART2_TX, UART3_TX, SDIO_D2, DCI_D8, EVENTOUT.
112 PC11 bidirectional Default PC11, 5 V tolerant I/O; alternate functions I2S2_ADD_SD, SPI2_MISO, USART2_RX, UART3_RX, SDIO_D3, DCI_D4, EVENTOUT.
113 PC12 bidirectional Default PC12, 5 V tolerant I/O; alternate functions I2C1_SDA, SPI2_MOSI, I2S2_SD, USART2_CK, UART4_TX, SDIO_CK, DCI_D9, EVENTOUT.
114 PD0 bidirectional Default PD0, 5 V tolerant I/O; alternate functions SPI2_MOSI, I2S2_SD, CAN0_RX, EXMC_D2, EVENTOUT.
115 PD1 bidirectional Default PD1, 5 V tolerant I/O; alternate functions SPI1_NSS, I2S1_WS, CAN0_TX, EXMC_D3, EVENTOUT.
116 PD2 bidirectional Default PD2, 5 V tolerant I/O; alternate functions TIMER2_ETI, UART4_RX, SDIO_CMD, DCI_D11, EVENTOUT.
117 PD3 bidirectional Default PD3, 5 V tolerant I/O; alternate functions SPI1_SCK, I2S1_CK, USART1_CTS, EXMC_CLK, DCI_D5, EVENTOUT.
118 PD4 bidirectional Default PD4, 5 V tolerant I/O; alternate functions USART1_RTS, EXMC_NOE, EVENTOUT.
119 PD5 bidirectional Default PD5, 5 V tolerant I/O; alternate functions USART1_TX, EXMC_NWE, EVENTOUT.
120 VSS power_in Power pin, default function VSS.
121 VDD power_in Power pin, default function VDD.
122 PD6 bidirectional Default PD6, 5 V tolerant I/O; alternate functions SPI2_MOSI, I2S2_SD, USART1_RX, EXMC_NWAIT, DCI_D10, EVENTOUT.
123 PD7 bidirectional Default PD7, 5 V tolerant I/O; alternate functions USART1_CK, EXMC_NE0, EXMC_NCE1, EVENTOUT.
124 PG9 bidirectional Default PG9, 5 V tolerant I/O; alternate functions USART5_RX, EXMC_NE1, EXMC_NCE2, DCI_VSYNC, EVENTOUT.
125 PG10 bidirectional Default PG10, 5 V tolerant I/O; alternate functions EXMC_NCE3_0, EXMC_NE2, DCI_D2, EVENTOUT.
126 PG11 bidirectional Default PG11, 5 V tolerant I/O; alternate functions ENET_MII_TX_EN, ENET_RMII_TX_EN, EXMC_NCE3_1, DCI_D3, EVENTOUT.
127 PG12 bidirectional Default PG12, 5 V tolerant I/O; alternate functions USART5_RTS, EXMC_NE3, EVENTOUT.
128 PG13 bidirectional Default PG13, 5 V tolerant I/O; alternate functions USART5_CTS, ENET_MII_TXD0, ENET_RMII_TXD0, EXMC_A24, EVENTOUT.
129 PG14 bidirectional Default PG14, 5 V tolerant I/O; alternate functions USART5_TX, ENET_MII_TXD1, ENET_RMII_TXD1, EXMC_A25, EVENTOUT.
130 VSS power_in Power pin, default function VSS.
131 VDD power_in Power pin, default function VDD.
132 PG15 bidirectional Default PG15, 5 V tolerant I/O; alternate functions USART5_CTS, EXMC_SDNCAS, DCI_D13, EVENTOUT.
133 PB3 bidirectional Default JTDO, PB3, 5 V tolerant I/O; alternate functions TRACESWO, TIMER1_CH1, SPI0_SCK, SPI2_SCK, I2S2_CK, USART0_RX, I2C1_SDA, EVENTOUT.
134 PB4 bidirectional Default NJTRST, PB4, 5 V tolerant I/O; alternate functions TIMER2_CH0, SPI0_MISO, SPI2_MISO, I2S2_ADD_SD, I2C2_SDA, SDIO_D0, EVENTOUT, I2C0_TXFRAME.
135 PB5 bidirectional Default PB5, 5 V tolerant I/O; alternate functions TIMER2_CH1, I2C0_SMBA, SPI0_MOSI, SPI2_MOSI, I2S2_SD, CAN1_RX, USBHS_ULPI_D7, ENET_PPS_OUT, EXMC_SDCKE1, DCI_D10, EVENTOUT.
136 PB6 bidirectional Default PB6, 5 V tolerant I/O; alternate functions TIMER3_CH0, I2C0_SCL, USART0_TX, CAN1_TX, EXMC_SDNE1, DCI_D5, EVENTOUT.
137 PB7 bidirectional Default PB7, 5 V tolerant I/O; alternate functions TIMER3_CH1, I2C0_SDA, USART0_RX, EXMC_NL, DCI_VSYNC, EVENTOUT.
138 BOOT0 bidirectional Default function BOOT0, 5 V tolerant I/O.
139 PB8 bidirectional Default PB8, 5 V tolerant I/O; alternate functions TIMER1_CH0, TIMER1_ETI, TIMER3_CH2, TIMER9_CH0, I2C0_SCL, CAN0_RX, ENET_MII_TXD3, SDIO_D4, DCI_D6, EVENTOUT.
140 PB9 bidirectional Default PB9, 5 V tolerant I/O; alternate functions TIMER1_CH1, TIMER3_CH3, TIMER10_CH0, I2C0_SDA, SPI1_NSS, I2S1_WS, CAN0_TX, SDIO_D5, DCI_D7, EVENTOUT.
141 PE0 bidirectional Default PE0, 5 V tolerant I/O; alternate functions TIMER3_ETI, EXMC_NBL0, DCI_D2, EVENTOUT.
142 PE1 bidirectional Default PE1, 5 V tolerant I/O; alternate functions TIMER0_CH1_ON, EXMC_NBL1, DCI_D3, EVENTOUT.
143 PDR_ON power_in Power-down reset control pin, default function PDR_ON.
144 VDD power_in Power pin, default function VDD.

Key specifications

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

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage on other I/O VIN 3.6 V 81
Variations between different VDD power pins /ΔVDDX/ 50 mV 81
Variations between different ground pins /VSSX −VSS/ 50 mV 81
Maximum current for GPIO pins IIO 25 mA 81
Operating temperature range TA -40 85 °C 81
Power dissipation of LQFP144 PD 820 mW Power dissipation at TA = 85°C of LQFP144 81
Storage temperature range TSTG -65 150 °C 81
Maximum junction temperature TJ 125 °C 81
Supply voltage VDD 2.6 3.3 3.6 V 81
Analog supply voltage VDDA 2.6 3.3 3.6 V Same as VDD 81
Battery supply voltage VBAT 1.8 3.6 V 81
AHB clock frequency fHCLK 200 MHz 82
APB1 clock frequency fAPB1 50 MHz 82
APB2 clock frequency fAPB2 100 MHz 82
Electrostatic discharge voltage (human body model) VESD(HBM) 2000 V TA=25 °C; JS-001-2017 91
Electrostatic discharge voltage (charge device model) VESD(CDM) 500 V TA=25 °C; JS-002-2018 91
Static latch-up I-test LU -200 200 mA TA=105 °C; JESD78 91
Static latch-up supply overvoltage Vsupply 5.4 V 91
Crystal or ceramic frequency fHXTAL 4 25 32 MHz 2.6 V ≤ VDD ≤ 3.6 V 92
Recommended matching capacitance on OSCIN and OSCOUT CHXTAL 20 30 pF 92
Crystal or ceramic duty cycle Ducy(HXTAL) 30 50 70 % 92
External clock source or oscillator frequency (bypass) fHXTAL_ext 1 50 MHz 2.6 V ≤ VDD ≤ 3.6 V 92
OSCIN high or low time tH/L(HXTAL) 5 ns 92
OSCIN rise or fall time tR/F(HXTAL) 10 ns 92
Duty cycle (HXTAL bypass) Ducy(HXTAL) 40 60 % 92
Crystal or ceramic duty cycle (LXTAL) Ducy(LXTAL) 30 70 % 93
External clock source or oscillator frequency (LXTAL bypass) fLXTAL_ext 32.768 1000 kHz VDD = 3.3 V 93
OSC32IN high or low time tH/L(LXTAL) 450 ns 93
OSC32IN rise or fall time tR/F(LXTAL) 50 ns 93
Duty cycle (LXTAL bypass) Ducy(LXTAL) 30 50 70 % 93
IRC16M oscillator frequency accuracy, factory-trimmed over temperature ACCIRC16M -1.73 1.1 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 94
IRC16M oscillator frequency accuracy, factory-trimmed at 25 °C ACCIRC16M -1 1 % VDD = VDDA = 3.3 V, TA = 25 °C 94
IRC16M oscillator duty cycle DucyIRC16M 45 50 55 % VDD = VDDA = 3.3 V 94
IRC48M oscillator frequency accuracy, factory-trimmed over temperature ACCIRC48M -1.31 0.39 % VDD = VDDA = 3.3 V, TA = -40 °C ~ +85 °C 94
IRC48M oscillator frequency accuracy, factory-trimmed at 25 °C ACCIRC48M -2 2 % VDD = VDDA = 3.3 V, TA = 25 °C 94
IRC48M oscillator duty cycle DucyIRC48M 45 50 55 % VDD = VDDA = 3.3 V 94
PLL input clock frequency fPLLIN 1 4 MHz 95
PLL output clock frequency fPLLOUT 100 500 MHz 95
PLL VCO output clock frequency fVCO 32 344 MHz 95
PLL lock time tLOCK 400 μs 95
Modulation frequency fmod 10 KHz 96
Peak modulation amplitude mdamp 2 % 96
Number of guaranteed program/erase cycles before failure (Endurance) PECYC 100 kcycles TA = -40 °C ~ +85 °C 97
Word programming time tPROG 37.5 180 μs TA = -40°C ~ +85 °C 97
Internal pull-up resistor (all pins) RPU 40 kΩ All pins VIN = VSS 98
Internal pull-down resistor (all pins) RPD 40 kΩ All pins VIN = VDD 98
ADC clock fADC 0.1 40 MHz 101
Sampling rate 12-bit fS 0.007 2.6 MSPS 12-bit 101
External input impedance RAIN 308.6 kΩ See Equation 2 101
Input sampling capacitance CADC 4 pF No pin/pad capacitance included 101
Resistive load RLOAD 5 kΩ Resistive load with buffer ON 102
Impedance output Ro 15 kΩ Impedance output with buffer OFF 102
Capacitive load CLOAD 50 pF Capacitive load with buffer ON 102
Offset error Offset -24 24 LSB DAC in 12-bit mode 103
Differential non linearity DNL -3 3 LSB 12-bit configuration 103
Integral non linearity INL -5 5 LSB 12-bit configuration 103
Package thermal resistance junction to cold plate (LQFP144) θJC 12.03 °C/W Cold plate, 2S2P PCB 128
Package thermal characterization junction to board (LQFP144) ΨJB 35.32 °C/W Natural convection, 2S2P PCB 128
Package thermal characterization junction to top (LQFP144) ΨJT 1.86 °C/W Natural convection, 2S2P PCB 128

CAD (KiCad official)

  • Symbol: GD32F427ZGT6
  • Footprint: Package_QFP:LQFP-144_20x20mm_P0.5mm
  • 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)
  • 3D model files: gd32f427zgt6-etched.step / gd32f427zgt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); gd32f427zgt6.step / gd32f427zgt6.glb are the bare package body.

Provenance

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

  • Datasheet: GigaDevice Semicon Beijing datasheet (131 pp, sha256 7b84a91279c53e4c, retrieved 2026-10-27, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus off (skipped (clean text read)), 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