Samsung S3C6400X User Manual page 236

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