s3c2410a Samsung Semiconductor, Inc., s3c2410a Datasheet - Page 263

• Manufacturer Part Number: s3c2410a
• Description: 16/32-bit Risc Arm Microprocessor
• Manufacturer: Samsung Semiconductor, Inc.

PORT B CONTROL REGISTERS (GPBCON, GPBDAT, and GPBUP)
S3C2410A
GPB[10:0]
GPB[10:0]
GPBCON
GPBCON
GPBDAT
Register
GPBDAT
Reserved
GPBUP
GPBUP
GPB10
GPB9
GPB8
GPB7
GPB6
GPB5
GPB4
GPB3
GPB2
GPB1
GPB0
0x5600001C
0x56000010
0x56000014
0x56000018
Address
[21:20]
[19:18]
[17:16]
[15:14]
[13:12]
[11:10]
[10:0]
[10:0]
[9:8]
[7:6]
[5:4]
[3:2]
[1:0]
Bit
Bit
Bit
00 = Input
10 = nXDREQ0
00 = Input
10 = nXDACK0
00 = Input
10 = nXDREQ1
00 = Input
10 = nXDACK1
00 = Input
10 = nXBREQ
00 = Input
10 = nXBACK
00 = Input
10 = TCLK0
00 = Input
10 = TOUT3
00 = Input
10 = TOUT2
00 = Input
10 = TOUT1
00 = Input
10 = TOUT0
When the port is configured as input port, data from external sources can be
read to the corresponding pin. When the port is configured as output port, data
written in this register can be sent to the corresponding pin. When the port is
configured as functional pin, undefined value will be read.
0: The pull-up function attached to to the corresponding port pin is enabled.
1: The pull-up function is disabled.
R/W
R/W
R/W
R/W
–
Configure the pins of port B
The data register for port B
Pull-up disable register for port B
Reserved
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
01 = Output
11 = reserved
11 = Reserved
11 = reserved]
11 = reserved
11 = Reserved
11 = reserved
11 = reserved
11 = reserved
11 = reserved
11 = reserved
11 = reserved
Description
Description
Description
Description
Reset Value
Undefined
Undefined
0x0
0x0
I/O PORTS
9-9