下表中对GCAN-PLCcore-M7的引脚定义及功能进行了详细的说明。其中，IO表示可以做为DI和DO使用，X表示禁止使用，引脚悬空即可。
| 引脚序号 | 引脚编号 | 功能定义 | 默认映射 |
|---|
| 1 | P1 | GND | |
| 2 | P2 | VREF+ | |
| 3 | P3 | IO/RMII_REFF_CLK | ETH |
| 4 | P4 | IO/ETH_MDIO | ETH |
| 5 | P5 | IO/ETH_RESET | ETH |
| 6 | P6 | IO | Q2.0 |
| 7 | P7 | x | |
| 8 | P8 | x | |
| 9 | P9 | IO/ETH_MDC | ETH |
| 10 | P10 | RST | |
| 11 | P11 | IO/AD | |
| 12 | P12 | x | |
| 13 | P13 | x | |
| 14 | P14 | x | |
| 15 | P15 | IO | Q1.3 |
| 16 | P16 | IO/PWM | I1.0 |
| 17 | P17 | IO/PWM | I1.1 |
| 18 | P18 | IO | Q1.4 |
| 19 | P19 | IO | Q1.5 |
| 20 | P20 | IO/UART4_DE | I2.5 |
| 21 | P21 | IO/UART4_RX/CAN3_RX | Q1.0 |
| 22 | P22 | IO/UART4_TX/CAN3_TX | Q1.1 |
| 23 | P23 | IO | Q2.6 |
| 24 | P24 | X | |
| 25 | P25 | IO/PWM | I1.3 |
| 26 | P26 | IO/PWM | I1.2 |
| 27 | P27 | IO/PWM | I1.4 |
| 28 | P28 | RUN/STOP | |
| 29 | P29 | VBAT | |
| 30 | P30 | GND | |
| 31 | P31 | x | |
| 32 | P32 | IO/ETH_RMII_TXD1 | ETH |
| 33 | P33 | IO/ETH_RMII_TXD0 | ETH |
| 34 | P34 | IO | Q1.6 |
| 35 | P35 | IO | Q1.7 |
| 36 | P36 | IO/UART2_DE | RS485 EN |
| 37 | P37 | IO/UART2_RXD | RS485 RX |
| 38 | P38 | IO/UART2_TXD | RS485 TX |
| 39 | P39 | IO/UART1_RXD | RS232 RX |
| 40 | P40 | IO/UART1_TXD | RS232 TX |
| 41 | P41 | IO/UART1_DE | Q1.2 |
| 42 | P42 | SYS_LED | SYS LED |
| 43 | P43 | RUN_LED | RUN LED |
| 44 | P44 | IO/AD | I9.0 AD |
| 45 | P45 | IO/AD/DA | I15.0 AD |
| 46 | P46 | IO/AD/DA | I13.0 AD |
| 47 | P47 | IO/AD | I7.0 AD |
| 48 | P48 | IO/ETH_RMII_CRS_DV | ETH |
| 49 | P49 | IO/ETH_RMII_RXD0 | ETH |
| 50 | P50 | IO/ETH_RMII_RXD1 | ETH |
| 51 | P51 | PLC_DEBUG_TX | PLC DEBUG TX |
| 52 | P52 | PLC_DEBUG_RX | PLC DEBUG RX |
| 53 | P53 | IO/CAN1_RX | |
| 54 | P54 | IO/CAN2_TX | |
| 55 | P55 | x | |
| 56 | P56 | IO/AD | I5.0(AD) |
| 57 | P57 | IO/AD | I3.0 AD |
| 58 | P58 | VCC5 | |
| 59 | P59 | VCC5 | |
| 60 | P60 | VCC5 | |
| 引脚序号 | 引脚编号 | 功能定义 | 默认映射 |
| 1 | P61 | IO/ETH_RMII_TX_EN | ETH |
| 2 | P62 | IO/PWM | I0.7 |
| 3 | P63 | IO | I0.6 |
| 4 | P64 | IO/CAN2 RX | CAN2 |
| 5 | P65 | IO/CAN2 TX | CAN2 |
| 6 | P66 | IO/PWM | I0.5 |
| 7 | P67 | IO/PWM | I0.4 |
| 8 | P68 | IO/PWM | I0.3 |
| 9 | P69 | IO | I0.2 |
| 10 | P70 | IO/PWM | I0.1 |
| 11 | P71 | IO/PWM | I0.0 |
| 12 | P72 | IO/PWM | I1.5 |
| 13 | P73 | IO | Q2.7 |
| 14 | P74 | IO | I1.6 |
| 15 | P75 | IO/UART3_DE | I2.2 |
| 16 | P76 | IO/UART3_TX | I2.4 |
| 17 | P77 | IO/UART3_RX | I2.3 |
| 18 | P78 | IO/PWM | I1.7 |
| 19 | P79 | IO/PWM | I2.0 |
| 20 | P80 | IO/PWM | I2.1 |
| 21 | P81 | x | |
| 22 | P82 | x | |
| 23 | P83 | x | |
| 24 | P84 | IO | Q2.2 |
| 25 | P85 | IO | Q2.4 |
| 26 | P86 | x | |
| 27 | P87 | x | |
| 28 | P88 | IO | Q2.5 |
| 29 | P89 | IO/CAN_RX | CAN1 RX |
| 30 | P90 | IO/CAN_TX | CAN1 TX |
| 31 | P91 | GND | |
| 32 | P92 | IO | Q2.3 |
| 33 | P93 | IO | Q2.1 |
| 34 | P94 | IO | Q0.0 |
| 35 | P95 | IO | Q0.1 |
| 36 | P96 | IO | Q0.2 |
| 37 | P97 | IO | Q0.3 |
| 38 | P98 | IO | Q0.4 |
| 39 | P99 | IO | Q0.5 |
| 40 | P100 | IO | Q0.6 |
| 41 | P101 | IO | Q0.7 |
| 42 | P102 | IO/AD | I11.0 (AD) |
| 43 | P103 | x | |
| 44 | P104 | x | |
| 45 | P105 | x | |
| 46 | P106 | x | |
| 47 | P107 | x | |
| 48 | P108 | x | |
| 49 | P109 | x | |
| 50 | P110 | x | |
| 51 | P111 | x | |
| 52 | P112 | x | |
| 53 | P113 | x | |
| 54 | P114 | x | |
| 55 | P115 | x | |
| 56 | P116 | x | |
| 57 | P117 | x | |
| 58 | P118 | x | |
| 59 | P119 | x | |
| 60 | P120 | x | |
