h8s-2158 Renesas Electronics Corporation., h8s-2158 Datasheet - Page 262

• Manufacturer Part Number: h8s-2158
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 9 I/O Ports
9.1.2
P1DR stores output data for the port 1 pins.
9.1.3
P1PCR controls the port 1 built-in input pull-up MOSs.
Rev. 3.00 Jan 25, 2006 page 210 of 872
REJ09B0286-0300
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
P17DR
P16DR
P15DR
P14DR
P13DR
P12DR
P11DR
P10DR
Bit Name
P17PCR
P16PCR
P15PCR
P14PCR
P13PCR
P12PCR
P11PCR
P10PCR
Port 1 Data Register (P1DR)
Port 1 Pull-Up MOS Control Register (P1PCR)
0
0
0
0
0
0
0
0
Initial Value
Initial Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
P1DR stores output data for the port 1 pins that
are used as the general output port.
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 performed while the P1DDR bits are
cleared to 0, the pin states are read.
Description
When the pins are in input state, the
corresponding input pull-up MOS is turned on
when a P1PCR bit is set to 1.