HD64F2168 Datasheet, PDF (224/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

8.1.2 Port 1 Data Register (P1DR)
P1DR stores output data for the port 1 pins.
Bit Bit Name Initial Value R/W Description
7
P17DR
0
6
P16DR
0
5
P15DR
0
4
P14DR
0
3
P13DR
0
R/W P1DR stores output data for the port 1 pins that are
R/W ^{used as the general output port.}
R/W
If a port 1 read is performed while the P1DDR bits are
set to 1, the P1DR values are read. If a port 1 read is
R/W performed while the P1DDR bits are cleared to 0, the
R/W ^{pin states are read.}
2
P12DR
0
R/W
1
P11DR
0
R/W
0
P10DR
0
R/W
8.1.3 Port 1 Pull-Up MOS Control Register (P1PCR)
P1PCR controls the port 1 built-in input pull-up MOSs.
Bit Bit Name Initial Value R/W Description
7
P17PCR 0
6
P16PCR 0
5
P15PCR 0
4
P14PCR 0
3
P13PCR 0
R/W When the pins are in input state, the corresponding
R/W ^{input pull-up MOS is turned on when a P1PCR bit is}
set to 1.
R/W _{In address-data multiplex extended bus mode is}
R/W _{used, the initial value should not be changed.}
R/W
2
P12PCR 0
R/W
1
P11PCR 0
R/W
0
P10PCR 0
R/W
Rev. 3.00, 03/04, page 184 of 830