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Rev. 1.00, 05/04, page 134 of 544
Bit Bit Name
Initial
Value R/W Description
7 PD7PIN Undefined* R
6 PD6PIN Undefined* R
5 PD5PIN Undefined* R
4 PD4PIN Undefined* R
3 PD3PIN Undefined* R
2 PD2PIN Undefined* R
1 PD1PIN Undefined* R
0 PD0PIN Undefined* R
PDPIN indicates the port D state. PDPIN has the same
address as PDDDR. If a write is performed, the port D
settings will change.
Note: * The initial value is determined according to the PD7 to PD0 pin states.
7.12.4 Port C and Port D Nch-OD Control Register (PCNOCR, PDNOCR)
PCNOCR and PDNOCR specify the output driver type for pins on ports C and D which are
configured as outputs on a bit-by-bit basis.
Bit Bit Name
Initial
Value
R/W Description
7 PC7NOCR 0 R/W
6 PC6NOCR 0 R/W
5 PC5NOCR 0 R/W
4 PC4NOCR 0 R/W
3 PC3NOCR 0 R/W
2 PC2NOCR 0 R/W
1 PC1NOCR 0 R/W
0 PC0NOCR 0 R/W
0: CMOS (p-channel driver enabled)
1: N-channel open drain (p-channel driver disabled
Bit Bit Name
Initial
Value R/W Description
7 PD7NOCR 0 R/W
6 PD6NOCR 0 R/W
5 PD5NOCR 0 R/W
4 PD4NOCR 0 R/W
3 PD3NOCR 0 R/W
2 PD2NOCR 0 R/W
1 PD1NOCR 0 R/W
0 PD0NOCR 0 R/W
0: CMOS (p-channel driver enabled)
1: N-channel open drain (p-channel driver disabled)