S3C2440A RISC MICROPROCESSOR I/O PORTS
9-17
PORT E CONTROL REGISTERS (GPECON, GPEDAT, GPEUP) (Continued)
GPEDAT Bit Description
GPE[15:0] [15:0] 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 a functional pin, the undefined value will be
read.
GPEUP Bit Description
GPE[13:0] [13:0] 0: The pull up function attached to the corresponding port pin is enabled.
1: The pull up function is disabled.
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