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S3C2416 RISC MICROPROCESSOR
I/O PORTS
10-11
3.2 PORT B CONTROL REGISTERS (GPBCON, GPBDAT, GPBUDP, GPBSEL)
Register
Address
R/W
Description
Reset Value
GPBCON
0x56000010
R/W
Configures the pins of port B
0x0
GPBDAT
0x56000014
R/W
The data register for port B
0x0
GPBUDP 0x56000018 R/W
Pull-up/down
control register for port B
0x00154555
GPBSEL
0x5600001c
R/W
Selects the function of port B
0x1
GPBCON
Bit
Description
Reserved [31:22]
Reserved
GPB10
[21:20]
00 = Input
01 = Output
10 = nXDREQ[0] 11 = XDREQ[0]
GPB9
[19:18]
00 = Input
01 = Output
10 = nXDACK[0] 11 = XDACK[0]
Reserved [17:16]
Reserved
Reserved [15:14]
Reserved
GPB6
[13:12]
00 = Input
01 = Output
10 = nXBREQ 11 = XBREQ
GPB5
[11:10]
00 = Input
01 = Output
10 = nXBACK
11 = XBACK
GPB4
[9:8]
00 = Input
01 = Output
10 = TCLK
11 = reserved
GPB3
[7:6]
00 = Input
01 = Output
10 = TOUT3 11 = reserved
GPB2
[5:4]
00 = Input
01 = Output
10 = TOUT2 11 = reserved
GPB1
[3:2]
00 = Input
01 = Output
10 = TOUT1 11 = reserved
GPB0
[1:0]
00 = Input
01 = Output
10 = TOUT0 11 = reserved
GPBDAT
Bit
Description
Reserved [31:11]
Reserved
GPBDAT[10:0]
[10:0]
When the port is configured as input port, the corresponding bit is the pin
state. When the port is configured as output port, the pin state is the same
as the corresponding bit. When the port is configured as functional pin, the
undefined value will be read.
Summary of Contents for S3C2416
Page 122: ...BUS MATRIX EBI S3C2416X RISC MICROPROCESSOR 3 4 NOTES ...
Page 204: ...DMA CONTROLLER S3C2416X RISC MICROPROCESSOR 8 18 NOTES ...
Page 284: ...WATCHDOG TIMER S3C2416X RISC MICROPROCESSOR 11 6 NOTES ...
Page 320: ...REAL TIME CLOCK S3C2416X RISC MICROPROCESSOR 13 16 NOTES ...
Page 344: ...UART S3C2416X RISC MICROPROCESSOR 14 24 NOTES ...
Page 380: ...USB2 0 DEVICE S3C2416X RISC MICROPROCESSOR 16 34 NOTES ...
Page 432: ...2D S3C2416X RISC MICROPROCESSOR 18 38 NOTES ...
Page 446: ...HS_SPI CONTROLLER S3C2416X RISC MICROPROCESSOR 19 14 NOTES ...
Page 604: ...S3C2416X RISC MICROPROCESSOR S3C2416X RISC MICROPROCESSOR 23 22 NOTES ...
Page 638: ...PCM AUDIO INTERFACE S3C2416X RISC MICROPROCESSOR 25 18 NOTES ...
Page 670: ...ELECTRICAL DATA S3C2416X RISC MICROPROCESSOR 26 32 NOTES ...