參數(shù)資料
型號(hào): USB97C201-MN
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 總線控制器
英文描述: USB 2.0 ATA/ ATAPI Controller
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, PQFP100
封裝: TQFP-100
文件頁數(shù): 22/59頁
文件大?。?/td> 385K
代理商: USB97C201-MN
SMSC DS – USB97C201
Page 22
Rev. 03/25/2002
PRELIMINARY
6.1.4.2
Utility Registers
Table 12 - GPIO Direction Register
GPIO_DIR
(0x97- RESET=0x00)
NAME
R/W
GPIO7
R/W
GPIO DIRECTION
REGISTER
BIT
7
DESCRIPTION
GPIO7 Direction
0 = In
1 = Out
GPIO6 Direction
0 = In
1 = Out
GPIO5 Direction
0 = In
1 = Out
GPIO4 Direction
0 = In
1 = Out
GPIO3 Direction
0 = In
1 = Out
GPIO2 Direction
0 = In
1 = Out
GPIO1 Direction
0 = In
1 = Out
GPIO0 Direction
0 = In
1 = Out
6
GPIO6
R/W
5
GPIO5
R/W
4
GPIO4/nWE
R/W
3
GPIO3/T1
R/W
2
GPIO2/T0
R/W
1
GPIO1/TXD
R/W
0
GPIO0/RXD
R/W
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