p2125vps20 Renesas Electronics Corporation., p2125vps20 Datasheet - Page 191
p2125vps20
Manufacturer Part Number
p2125vps20
Description
16-bit Single-chip Microcomputer H8s Family / H8s/2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.P2125VPS20.pdf
(700 pages)
- Current page: 191 of 700
- Download datasheet (5Mb)
8.1.2
P1DR stores output data for the port 1 pins.
8.1.3
P1PCR controls the on/off status of the port 1 on-chip input pull-up MOSs.
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)
Initial
Value
0
0
0
0
0
0
0
0
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
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.
Rev. 1.00 Sep. 21, 2006 Page 153 of 658
Section 8 I/O Ports
REJ09B0310-0100
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