Smsc USB2244 Manual do Utilizador descarregar pdf (Página 22)

Ultra Fast USB 2.0 SD/MMC Flash Media Controller

Datasheet

Revision 1.0 (05-27-08) 22 SMSC USB2244/USB2244i

DATASHEET

Chapter 10 GPIO Usage

Table 10.1 USB2244/USB2244i GPIO Usage (ROM Rev 0x00)

NAME ACTIVE LEVEL SYMBOL DESCRIPTION AND NOTE

GPIO1 H LED1 LED indicator

GPIO2 H RXD / SDA Receive Port of Debugger / Serial

EEPROM Data

GPIO4 USER GPIO User defined

GPIO7 H TXD / SCK Transmit Port of Debugger / Serial

EEPROM Clock

GPIO10 L CRD_PWR Card Power Control

GPIO12 USER GPIO User defined

GPIO14 USER GPIO User defined

GPIO15 L SD_nCD Secure Digital card detect

1 2 ... 17 18 19 20 21 22

Sem comentários

Smsc USB2244 Manual do Utilizador Página 22