H8S2649 Datasheet, PDF (250/766 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 9 I/O Ports
9.10.4 Port D Pull-Up MOS Control Register (PDPCR)
PDPCR controls the MOS input pull-up function incorporated into port D on an individual bit
basis.
Initial
Bit
Bit Name Value R/W Description
7
PD7PCR 0
R/W In mode 7, if a pin is in the input state in accordance
6
PD6PCR 0
R/W ^{with the settings in PDDDR and LPCR, setting the}
corresponding PDPCR bit to 1 turns on the MOS input
5
PD5PCR 0
R/W _{pull-up for that pin.}
4
PD4PCR 0
R/W
3
PD3PCR 0
R/W
2
PD2PCR 0
R/W
1
PD1PCR 0
R/W
0
PD0PCR 0
R/W
9.10.5 Pin Functions
The correspondence between the register specification and the pin functions is shown below.
Setting of SGS3 to
SGS0
Port
SEG output
Operating mode
Mode 4 to 6
Mode 7

PEDDR

0
1

Pin function
D15 to D12 I/O PD7 to PD4 input PD7 to PD4 output SEG16 to SEG9
output
Note: Modes 4 and 5 are expanded modes with on-chip ROM disabled.
If segment output is selected, data input/output and interfacing to external ROM are no
longer possible. Therefore segment output settings should not be made in these modes.
Rev. 2.00 Dec. 05, 2005 Page 212 of 724
REJ09B0200-0200