S3C24A0 Datasheet, PDF (288/487 Pages) Samsung semiconductor – APPLICATION PROCESSOR FOR 2.5G/3G MOBILE PHONES

S3C24A0 RISC MICROPROCESSOR
I/O PORT CONTROL REGISTER
GPIO UPPER PORT CONTROL REGISTER (GPCON_U)
Register
GPCON_U
Address
0x44800000
R/W
Description
R/W Configures the pins of upper ports[31:19]
GPCON_U
GP31
GP30
GP29
GP28
GP27
GP26
GP25
GP24
GP23
GP22
GP21
GP20
GP19
Bit
[25:24]
[23:22]
[21:20]
[19:18]
[17:16]
[15:14]
[13:12]
[11:10]
[9:8]
[7:6]
[5:4]
[3:2]
[1:0]
Description
00 = Input
10 = XuRXD1
01 = Output
11 = IrDA_RXD
00 = Input
10 = XuTXD1
01 = Output
11 = IrDA_TXD
00 = Input
10 = XuRTSn1
01 = Output
11 = IrDA_SDBW
00 = Input
10 = XuCTSn1
01 = Output
11 = RTC_ALMINT
00 = Input
01 = Output
10 = EXTDMA_ACK1 11 = XkpCOL4
00 = Input
01 = Output
10 = EXTDMA_ACK0 11 = XkpCOL3
00 = Input
01 = Output
10 = EXTDMA_REQ1 11 = XkpCOL2
00 = Input
01 = Output
10 = EXTDMA_REQ0 11 = XkpCOL1
00 = Input
10 = PWM_TOUT3
01 = Output
11 = XkpCOL0
00 = Input
10 = PWM_TOUT2
01 = Output
11 = XkpROW4
00 = Input
10 = PWM_TOUT1
01 = Output
11 = XkpROW3
00 = Input
10 = PWM_TOUT0
01 = Output
11 = XkpROW2
00 = Input
10 = PWM_ECLK
01 = Output
11 = XkpROW1
BSW rv0.1-0417-N01
I/O PORTS
Reset Value
0x0
Preliminary product information describes 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.
20-5