h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 250
h8s-2649
Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2649.pdf
(766 pages)
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Section 9 I/O Ports
9.10.4
PDPCR controls the MOS input pull-up function incorporated into port D on an individual bit
basis.
9.10.5
The correspondence between the register specification and the pin functions is shown below.
Note: Modes 4 and 5 are expanded modes with on-chip ROM disabled.
Rev. 2.00 Dec. 05, 2005 Page 212 of 724
REJ09B0200-0200
Bit
7
6
5
4
3
2
1
0
Setting of SGS3 to
SGS0
Operating mode
PEDDR
Pin function
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.
Port D Pull-Up MOS Control Register (PDPCR)
Pin Functions
Bit Name
PD7PCR
PD6PCR
PD5PCR
PD4PCR
PD3PCR
PD2PCR
PD1PCR
PD0PCR
D15 to D12 I/O
Initial
Value
0
0
0
0
0
0
0
0
Mode 4 to 6
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PD7 to PD4 input PD7 to PD4 output SEG16 to SEG9
Description
In mode 7, if a pin is in the input state in accordance
with the settings in PDDDR and LPCR, setting the
corresponding PDPCR bit to 1 turns on the MOS input
pull-up for that pin.
Port
0
Mode 7
1
SEG output
output
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