机械尺寸
引脚定义
| 编号 | 名称 | 功能 | 备注 |
| 1 | P0.12 | Digital I/O | GPIO |
| TRACEDATA1 | Trace data | Trace buffer TRACEDATA[1] | |
| 2 | VCC | — | 1.7V - 3.6V |
| 3 | VDD_HV | — | 2.5V - 5.5V |
| 4 | VDD_USB | — | 4.35V - 5.5V |
| 5 | D- | Digital I/O | USB D- |
| 6 | D+ | Digital I/O | USB D+ |
| 7 | P0.13 | Digital I/O | GPIO |
| 8 | P0.14 | Digital I/O | GPIO |
| 9 | P0.15 | Digital I/O | GPIO |
| 10 | P0.16 | Digital I/O | GPIO |
| 11 | P0.17 | Digital I/O | GPIO |
| 12 | P0.18 | Digital I/O | GPIO、QSPI_CSN |
| nRESET | — | Configurable as pin RESET | |
| 13 | P0.19 | Digital I/O | GPIO、QSPI_SCK |
| 14 | P0.20 | Digital I/O | GPIO |
| 15 | P0.21 | Digital I/O | GPIO、QSPI |
| 16 | P0.22 | Digital I/O | GPIO、QSPI |
| 17 | P0.23 | Digital I/O | GPIO、QSPI |
| 18 | P0.24 | Digital I/O | GPIO |
| 19 | P0.25 | Digital I/O | GPIO |
| 20 | P1.00 | Digital I/O | GPIO、QSPI |
| TRACEDATA0 | Trace data | Trace buffer TRACEDATA[0] | |
| 21 | SWDIO | — | 仿真烧录脚 |
| 22 | SWCLK | — | 仿真烧录脚 |
| 23 | P0.09 | Digital I/O | Standard drive, low frequency I/O only |
| NFC1 | NFC input | NFC antenna connection | |
| 24 | P0.10 | Digital I/O | Standard drive, low frequency I/O only |
| NFC2 | NFC input | NFC antenna connection | |
| 25 | P1.01 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 26 | P1.02 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 27 | P1.03 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 28 | P1.04 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 29 | P1.05 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 30 | P1.06 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 31 | RF_OUT | — | |
| 32 | P1.07 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 33 | P1.10 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 34 | P1.11 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 35 | P1.12 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 36 | P1.13 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 37 | P1.14 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 38 | P1.15 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| 39 | P0.03 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN1 | Analog input | ||
| 40 | P0.02 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN0 | Analog input | ||
| 41 | P0.28 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN4 | Analog input | ||
| 42 | P0.29 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN5 | Analog input | ||
| 43 | P0.30 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN6 | Analog input | ||
| 44 | P0.31 | Digital I/O | GPIO, Standard drive, low frequency I/O only |
| AIN7 | Analog input | ||
| 45 | P0.26 | Digital I/O | GPIO |
| 46 | P0.27 | Digital I/O | GPIO |
| 47 | P0.04 | Digital I/O | GPIO |
| AIN2 | Analog input | ||
| 48 | P0.05 | Digital I/O | GPIO |
| AIN3 | Analog input | ||
| 49 | P0.06 | Digital I/O | GPIO |
| 50 | P0.07 | Digital I/O | GPIO |
| TRACECLK | Trace clock | Trace buffer clock | |
| 51 | P0.08 | Digital I/O | GPIO |
| 52 | P1.08 | Digital I/O | GPIO |
| 53 | P1.09 | Digital I/O | GPIO |
| TRACEDATA3 | Trace data | Trace buffer TRACEDATA[3] | |
| 54 | P0.11 | Digital I/O | GPIO |
| TRACEDATA2 | Trace data | Trace buffer TRACEDATA[2] | |
| 55 ~ 63 | GND | — |
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