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JuiceBox Connector
From eLinux.org
The pins are numbered starting from the left, with the motherboard connector pointing away from you. The power switch should be on the left side of the connector.
| Connector | Function | CPU |
| 1 | VDDIO/VDD | Multi |
| 2 | GPC2 | 116 |
| 3 | DATA0 | 136 |
| 4 | GPC11(MMC CS) | 105 |
| 5 | DATA1 | 135 |
| 6 | nGCS3 | 19 |
| 7 | DATA2 | 134 |
| 8 | nOE | 15 |
| 9 | DATA3 | 133 |
| 10 | nWE | 16 |
| 11 | DATA4 | 132 |
| 12 | SIOTxD/nRTS1/IISLRCK
| 59 |
| 13 | DATA5 | 131 |
| 14 | SIORDY/TxD1/IISDO
| 58 |
| 15 | DATA6 | 130 |
| 16 | SIOCLK/nCTS1/IISDI
| 56 |
| 17 | DATA7 | 129 |
| 18 | SIORxD/RxD1/IISCLK
| 57 |
| 19 | VSSIO/VSS | Multi |
| 20 | GPC10 | 106 |
| 21 | VSSIO/VSS | Mutli |
| 22 | GPC9 | 107 |
