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HD6432351 Datasheet(PDF) 408 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 408 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev. 3.00 Sep 15, 2006 page 374 of 988
REJ09B0330-0300
9.8.4
MOS Input Pull-Up Function [H8S/2351 Only]
Port A has a built-in MOS input pull-up function that can be controlled by software. This MOS
input pull-up function can be used by pins PA7 to PA5 in modes 4 and 5, and by all pins in modes
1 to 3, 6, and 7. MOS input pull-up can be specified as on or off on an individual bit basis.
When a PADDR bit is cleared to 0, setting the corresponding PAPCR bit to 1 turns on the MOS
input pull-up for that pin.
The MOS input pull-up function is in the off state after a power-on reset, and in hardware standby
mode. The prior state is retained after a manual reset, and in software standby mode.
Table 9.14 summarizes the MOS input pull-up states.
Table 9.14 MOS Input Pull-Up States (Port A)
Modes
Power-On
Reset
Hardware
Standby Mode
Manual
Reset
Software
Standby Mode
In Other
Operations
1 to 3, 6, 7 PA7 to PA0
ON/OFF
PA7 to PA5
ON/OFF
4, 5
PA4 to PA0
OFF
OFF
Legend:
OFF:
MOS input pull-up is always off.
ON/OFF: On when PADDR = 0 and PAPCR = 1; otherwise off.



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