HD64F2145 Datasheet, PDF (256/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

8.16.4 Port G Nch-OD Control Register (PGNOCR)
PGNOCR specifies the output driver type for pins on port G which are configured as outputs on a
bit-by-bit basis.
Bit Bit Name Initial Value R/W Description
7
PG7NOCR 0
6
PG6NOCR 0
5
PG5NOCR 0
4
PG4NOCR 0
R/W 0: NMOS push-pull (Vcc-side n-channel driver
R/W
enabled)
R/W
1: Vss-side N-channel open drain (Vcc-side N-
channel driver disabled)
R/W
3
PG3NOCR 0
R/W
2
PG2NOCR 0
R/W
1
PG1NOCR 0
R/W
0
PG0NOCR 0
R/W
8.16.5 Pin Functions
DDR
NOCR
ODR
V -side N-ch. driver
ss
V -side N-ch. driver
cc
Pin function
0
—
0
1
OFF
OFF
Input pin
1
0
1
0
1
0
1
ON
OFF
ON
OFF
OFF
ON
OFF
Output pin
Rev. 2.0, 08/02, page 216 of 788