HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 298

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 8 I/O Ports
Port C MOS Pull-Up Control Register (PCPCR)
PCPCR is an 8-bit readable/writable register that controls the MOS input pull-up function
incorporated into port C on an individual bit basis.
When a PCDDR bit is cleared to 0 (input port setting) in mode 2, 3, 6, or 7, setting the
corresponding PCPCR bit to 1 turns on the MOS input pull-up for the corresponding pin.
PCPCR is initialized to H'00 by a power-on reset, and in hardware standby mode. It retains its
prior state after a manual reset, and in software standby mode.
8.9.3
Modes 1, 4, and 5
In modes 1, 4, and 5, port C pins are automatically designated as address outputs.
Port C pin functions in modes 1, 4, and 5 are shown in figure 8.15.
Rev.3.00 Mar. 26, 2007 Page 256 of 772
REJ09B0355-0300
Bit
Initial value
R/W
Pin Functions
:
:
:
PC7PCR
R/W
Figure 8.15 Port C Pin Functions (Modes 1, 4, and 5)
7
0
PC6PCR
R/W
6
0
PC5PCR
Port C
R/W
5
0
PC4PCR
R/W
4
0
A
A
A
A
A
A
A
A
7
6
5
4
3
2
1
0
(output)
(output)
(output)
(output)
(output)
(output)
(output)
(output)
PC3PCR
R/W
3
0
PC2PCR
R/W
2
0
PC1PCR
R/W
1
0
PC0PCR
R/W
0
0