Datasheet

Section 8 I/O Ports
Rev. 3.00 Mar 21, 2006 page 221 of 788
REJ09B0300-0300
8.14.4 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)
8.14.5 Pin Functions
DDR 0 1
NOCR — 0 1
ODR 010101
N-ch. driver OFF ON OFF ON OFF
P-ch. driver OFF OFF ON OFF
Input pull-up MOS OFF ON OFF
Pin function Input pin Output pin