Samsung S3C6400X, Руководство пользователя, Страница: 258 / 1189

PRELIMINARY
S3C6400 RISC MICROPROCESSOR GPIO
10-
37
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
PORT O CONTROL REGISTERS
There are five control registers including GPOCON, GPODAT, GPOPUD, POCONSLP and GPOPUDSLP in the
Port O Control Registers.
Register Address R/W Description Reset Value
GPOCON 0x7F008140 R/W Port O Configuration Register 0xAAAAAAAA
GPODAT 0x7F008144 R/W Port O Data Register Undefined
GPOPUD 0x7F008148 R/W Port O Pull-up/down Register 0x0
GPOCONSLP 0x7F00814C R/W Port O Sleep mode Configuration Register 0x0
GPOPUDSLP 0x7F008150 R/W Port O Sleep mode Pull-up/down Register 0x0
GPOCON Bit Description Initial State
GPO0 [1:0] 00 = Input 01 = Output
10 = MEM0_nCS[2] 11 = Ext. Interrupt Group7[0]
10
GPO1 [3:2] 00 = Input 01 = Output
10 = MEM0_nCS[3] 11 = Ext. Interrupt Group7 [1]
10
GPO2 [5:4] 00 = Input 01 = Output
10 = MEM0_nCS[4] 11 = Ext. Interrupt Group7 [2]
10
GPO3 [7:6] 00 = Input 01 = Output
10 = MEM0_nCS[5] 11 = Ext. Interrupt Group7 [3]
10
GPO4 [9:8] 00 = Input 01 = Output
10 = MEM0_nCS[6] 11 = Ext. Interrupt Group7 [4]
10
GPO5 [11:10] 00 = Input 01 = Output
10 = MEM0_nCS[7] 11 = Ext. Interrupt Group7 [5]
10
GPO6 [13:12] 00 = Input 01 = Output
10 = MEM0_ADDR[6] 11 = Ext. Interrupt Group7 [6]
10
GPO7 [15:14] 00 = Input 01 = Output
10 = MEM0_ADDR[7] 11 = Ext. Interrupt Group7 [7]
10
GPO8 [17:16] 00 = Input 01 = Output
10 = MEM0_ADDR[8] 11 = Ext. Interrupt Group7 [8]
10
GPO9 [19:18] 00 = Input 01 = Output
10 = MEM0_ADDR[9] 11 = Ext. Interrupt Group7 [9]
10
GPO10 [21:20] 00 = Input 01 = Output
10 = MEM0_ADDR[10] 11 = Ext. Interrupt Group7 [10]
10
GPO11 [23:22] 00 = Input 01 = Output
10 = MEM0_ADDR[11] 11 = Ext. Interrupt Group7 [11]
10
GPO12 [25:24] 00 = Input 01 = Output
10 = MEM0_ADDR[12] 11 = Ext. Interrupt Group7 [12]
10
GPO13 [27:26] 00 = Input 01 = Output
10 = MEM0_ADDR[13] 11 = Ext. Interrupt Group7 [13]
10