
PRELIMINARY
S3C6400 RISC MICROPROCESSOR
GPIO
10-
15
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 E CONTROL REGISTERS
There are five control registers including GPECON, GPEDAT, GPEPUD GPECONSLP and GPEPUDSLP in the
Port E Control Registers.
Register
Address
R/W
Description
Reset Value
GPECON
0x7F008080
R/W
Port E Configuration Register
0x00
GPEDAT
0x7F008084
R/W
Port E Data Register
Undefined
GPEPUD
0x7F008088
R/W
Port E Pull-up/down Register
0x00000155
GPECONSLP
0x7F00808C
R/W
Port E Sleep mode Configuration Register
0x0
GPEPUDSLP
0x7F008090
R/W
Port E Sleep mode Pull-up/down Register
0x0
GPDCON
Bit
Description
Initial State
GPE0
[3:0]
0000 = Input
0001 = Output
0010 = PCM DCLK[1]
0011 = I2S CLK[1]
0100 = AC97 BITCLK
0101 = Reserved
0110 = Reserved
0111 = Reserved
0000
GPE1
[7:4]
0000 = Input
0001 = Output
0010 = PCM EXTCLK[1]
0011 = I2S CDCLK[1]
0100 = AC97 RESETn
0101 = Reserved
0110 = Reserved
0111 = Reserved
0000
GPE2
[11:8]
0000 = Input
0001 = Output
0010 = PCM FSYNC[1]
0011 = I2S LRCLK[1]
0100 = AC97 SYNC
0101 = Reserved
0110 = Reserved
0111 = Reserved
0000
GPE3
[15:12]
0000 = Input
0001 = Output
0010 = PCM SIN[1]
0011 = I2S DI[1]
0100 = AC97 SDI
0101 = Reserved
0110 = Reserved
0111 = Reserved
0000
GPE4
[19:16]
0000 = Input
0001 = Output
0010 = PCM SOUT[1]
0011 = I2S DO[1]
0100 = AC97 SDO
0101 = Reserved
0110 = Reserved
0111 = Reserved
0000