| 端口 | Zif座 | 备注 |
| P00 | ZIF1 | |
| P01 | ZIF2 | |
| P02 | ZIF3 | |
| P03 | ZIF4 | |
| P04 | ZIF5 | |
| P05 | ZIF6 | |
| P06 | ZIF7 | |
| P07 | ZIF8 | |
| P10~P17 | ZIF9~ ZIF16 | |
| P20~P27 | ZIF17,ZIF19, ZIF30~ ZIF25 | |
| P30~P37 | ZIF24~ZIF21,ZIF31~ ZIF34 | |
| P40~P44 | ZIF35~ ZIF39 | |
| P45 | 保留 | |
| P47 | RUN指示灯 |
| 端口 | U4引脚 | 备注 |
| P46 | ||
| P10 | RW_VPP | 切换读写电压 |
| P11 | VPP1 | 设置zif1为vpp电压 |
| P12 | VPP9 | 设置zif9为vpp电压 |
| P13 | VPP31 | 设置zif31为vpp电压 |
| P14 | GND10 | 设置zif10为GND |
| P15 | GND16 | 设置zif16为GND |
| P16 | 3V3_ON | 切换3.3v电压支持 |
| P17 | VCC_ON | 切换5v电压支持 |

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