Ultra Fast USB 2.0
Chapter 12 GPIO Usage
Table 12.1 USB2640/USB2641 GPIO Usage
| ACTIVE |
|
|
NAME | LEVEL | SYMBOL | DESCRIPTION AND NOTE |
|
|
|
|
GPIO1 | H | TxD / LED | Serial port transmit line / LED |
|
|
| indicator |
|
|
|
|
GPIO2 | H | RxD | Serial port receive line |
|
|
|
|
GPIO4 | H | SCK | Serial EEPROM clock |
|
|
|
|
GPIO5 | H | SDA | Serial EEPROM data |
|
|
|
|
GPIO6 | L | SD_WP | SD card write protect detect |
|
|
|
|
GPIO10 | L | CRD_PWR_CTRL | Card power control |
|
|
|
|
GPIO12 | L | MS_nCD | Memory Stick card detect |
|
|
|
|
GPIO14 | L | xD_nCD | xD card detect |
|
|
|
|
GPIO15 | L | SD_nCD | Secure Digital card detect |
|
|
|
|
Revision 2.0 | 60 | SMSC USB2640/USB2641 |
| DATASHEET |
|