Page History
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| MIO | Function | Connected to | Notes | MIO | Function | Connected to | Notes | |
|---|---|---|---|---|---|---|---|---|
| 0 | GPIO | J2-137, SC CPLD bank 2, pin 14 | User configurable I/O on B2B. | 16..27 | ETH0 | Ethernet PHY U7 | RGMII | |
| 1 | QSPI0 | QSPI Flash Memory U14, pin C2 | SPI Flash-CS | 28..39 | USB0 | USB PHY U32 | ULPI | |
| 2 | QSPI0 | QSPI Flash Memory U14, pin D3 | SPI Flash-DQ0 | 40 | - | J2-150 | User configurable I/O on B2B. | |
| 3 | QSPI0 | QSPI Flash Memory U14, pin D2 | SPI Flash-DQ1 | 41 | - | J2-152 | User configurable I/O on B2B. | |
| 4 | QSPI0 | QSPI Flash Memory U14, pin C4 | SPI Flash-DQ2 | 42 | - | J2-154 | User configurable I/O on B2B. | |
| 5 | QSPI0 | QSPI Flash Memory U14, pin D4 | SPI Flash-DQ3 | 43 | - | J2-156 | User configurable I/O on B2B. | |
| 6 | QSPI0 | QSPI Flash Memory U14, pin B2 | SPI Flash-SCK | 44 | - | J2-158 | User configurable I/O on B2B. | |
| 7 | GPIO | USB PHY U32, pin 27 | Low active USB PHY Reset (pulled-up to PS_1.8V) | 45 | - | J2-160 | User configurable I/O on B2B. | |
| 8 | GPIO | SC CPLD bank 2, pin 13 | User I/O (pulled-up to PS_1.8V) | 46 | - | J2-145 | User configurable I/O on B2B. | |
| 9 | GPIO | Ethernet PHY U7, pin 16 | Ethernet PHY Reset | 47 | - | J2-147 | User configurable I/O on B2B. | |
| 10 | I²C | SCL line I2C-interface | 1.8V ref. voltage | 48 | - | J2-149 | User configurable I/O on B2B. | |
| 11 | I²C | SDA line I2C-interface | 1.8V ref. voltage | 49 | - | J2-151 | User configurable I/O on B2B. | |
| 12 | - | J2-123 | User configurable I/O on B2B. | 50 | - | J2-153 | User configurable I/O on B2B. | |
| 13 | - | J2-125 | User configurable I/O on B2B. | 51 | - | J2-155 | User configurable I/O on B2B. | |
| 14 | - | J2-127 | User configurable I/O on B2B. | 52 | ETH0 | USB Ethernet PHY U32U7, pin 7 | MDC | |
| 15 | - | J2-129 | User configurable I/O on B2B. | 53 | ETH0 | USB Ethernet PHY U32U7, pin 8 | MDIO |
Table 6: Default MIO Mapping
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