Datasheet

Section 8 I/O Ports
Rev. 3.00 Mar 21, 2006 page 226 of 788
REJ09B0300-0300
8.15.4 Port E and Port F Nch-OD Control Register (PENOCR, PFNOCR)
PENOCR and PFNOCR specify the output driver type for pins on ports E and F which are
configured as outputs on a bit-by-bit basis.
Bit Bit Name Initial Value R/W Description
7 PE7NOCR 0 R/W
6 PE6NOCR 0 R/W
5 PE5NOCR 0 R/W
4 PE4NOCR 0 R/W
3 PE3NOCR 0 R/W
2 PE2NOCR 0 R/W
1 PE1NOCR 0 R/W
0 PE0NOCR 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 PF7NOCR 0 R/W
6 PF6NOCR 0 R/W
5 PF5NOCR 0 R/W
4 PF4NOCR 0 R/W
3 PF3NOCR 0 R/W
2 PF2NOCR 0 R/W
1 PF1NOCR 0 R/W
0 PF0NOCR 0 R/W
0: CMOS (p-channel driver enabled)
1: N-channel open drain (p-channel driver
disabled)
8.15.5 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