User's Manual

Table Of Contents
I/O PORTS S3C2450X RISC MICROPROCESSOR
11-30
GPLDAT Bit Description
Reserved [31:15] Reserved
GPL[14:0] [14:0] When the port is configured as an input port, the corresponding bit is the
pin state. When the port is configured as an 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.
GPLUDP Bit Description
Reserved [31:30] Reserved
GPLUDP14
~
GPLUDP0
[29:28]
~
[1:0]
[CPU:CPD]
00 = pull-up/down disable
01 = pull-down enable
10 = pull-up enable
11 = not-available
GPLSEL Bit Description
Reserved [31:4] Reserved
GPL7SEL [3] 0 = GPL7 1 = PCM1_SDO
GPL6SEL [2] 0 = GPL6 1 = PCM1_SDI
GPL5SEL [1] 0 = GPL5 1 = PCM1_CDCLK
GPL4SEL [0] 0 = GPL4 1 = PCM1_SCLK