h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 247

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h8s-2649

Manufacturer Part Number
h8s-2649
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
9.9.6
The correspondence between the register specification and the pin functions is shown below.
Note: Modes 4 and 5 are extended modes in which the internal ROM is disabled. Address output
9.9.7
Port C has a built-in MOS input pull-up function that can be controlled by software.
Table 9.4 shows the MOS input pull-up states.
Table 9.4
[Legend]
OFF:
ON/OFF:
Setting of
SGS3 to
SGS0
Operating
mode
PCDDR
Pin function
Pin States
Address output
Other than above
is disabled when port C is set to segment output, so it is not possible to interface with
external ROM. Therefore port C must not be set to segment output in mode 4 or mode 5.
Pin Functions
MOS Input Pull-Up Function
MOS input pull-up is always off.
On when PCDDR = 0 and PCPCR = 1; otherwise off.
MOS Input Pull-Up States (Port C)
A7 to A0
4 and 5
Modes
output
Reset
OFF
A7 to A0
output
PC0 input
Hardware
Standby Mode
OFF
Mode 6
PC7 to
0
Port
A7 to A0
output
1
Software
Standby Mode
OFF
ON/OFF
Rev. 2.00 Dec. 05, 2005 Page 209 of 724
PC0 input
PC7 to
0
Mode 7
PC0 output
PC7 to
In Other
Operations
OFF
ON/OFF
Section 9 I/O Ports
1
REJ09B0200-0200
SEG24 to
SEG17
output
output
SEG

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