Samsung S3C6400X, User Manual, Page: 260 / 1189

PRELIMINARY
S3C6400 RISC MICROPROCESSOR GPIO
10-
39
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 P CONTROL REGISTERS
There are five control registers including GPPCON, GPPDAT, GPPPUD, GPPCONSLP and GPPPUDSLP in the
Port P Control Registers.
Register Address R/W Description Reset Value
GPPCON 0x7F008160 R/W Port P Configuration Register 0x2AAAAAAA
GPPDAT 0x7F008164 R/W Port P Data Register Undefined
GPPPUD 0x7F008168 R/W Port P Pull-up/down Register 0x1011AAA0
GPPCONSLP 0x7F00816C R/W Port P Sleep mode Configuration Register 0x0
GPPPUDSLP 0x7F008170 R/W Port P Sleep mode Pull-up/down Register 0x0
GPPCON Bit Description Initial State
GPP0 [1:0] 00 = Input 01 = Output
10 = MEM0_ADDRV 11 = Ext. Interrupt Group8[0]
10
GPP1 [3:2] 00 = Input 01 = Output
10 = MEM0_SMCLK 11 = Ext. Interrupt Group8[1]
10
GPP2 [5:4] 00 = Input 01 = Output
10 = MEM0_nWAIT 11 = Ext. Interrupt Group8 [2]
10
GPP3 [7:6] 00 = Input 01 = Output
10 = MEM0_RDY0_ALE 11 = Ext. Interrupt Group8 [3]
10
GPP4 [9:8] 00 = Input 01 = Output
10 = MEM0_RDY1_CLE 11 = Ext. Interrupt Group8 [4]
10
GPP5 [11:10] 00 = Input 01 = Output
10 = MEM0_INTsm0_FWE 11 = Ext. Interrupt Group8 [5]
10
GPP6 [13:12] 00 = Input 01 = Output
10 = MEM0_INTsm1_FRE 11 = Ext. Interrupt Group8 [6]
10
GPP7 [15:14] 00 = Input 01 = Output
10 = MEM0_RPn_RnB 11 = Ext. Interrupt Group8 [7]
10
GPP8 [17:16] 00 = Input 01 = Output
10 = MEM0_INTata 11 = Ext. Interrupt Group8 [8]
10
GPP9 [19:18] 00 = Input 01 = Output
10 = MEM0_RESETata 11 = Ext. Interrupt Group8 [9]
10
GPP10 [21:20] 00 = Input 01 = Output
10 = MEM0_INPACKata11 = Ext. Interrupt Group8 [10]
10
GPP11 [23:22] 00 = Input 01 = Output
10 = MEM0_REGata 11 = Ext. Interrupt Group8 [11]
10
GPP12 [25:24] 00 = Input 01 = Output
10 = MEM0_WEata 11 = Ext. Interrupt Group8 [12]
10
GPP13 [27:26] 00 = Input 01 = Output
10 = MEM0_OEata 11 = Ext. Interrupt Group8 [13]
10