Rev.6.00 Oct.28.2004 page 321
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REJ09B0138-0600H
9.11.4
MOS Input Pull-Up Function (On-Chip ROM Version Only)
Port D has a on-chip MOS input pull-up function that can be controlled by software. This MOS input pull-up function can
be used in mode 7, and can be specified as on or off on an individual bit basis.
When a PDDDR bit is cleared to 0 in mode 7, setting the corresponding PDPCR 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 9-20 summarizes the MOS input pull-up states.
Note:
* Manual reset is only supported in the H8S/2357 ZTAT.
Table 9-20 MOS Input Pull-Up States (Port D)
Modes
Power-On
Reset
Hardware
Standby Mode
Manual
Reset
*
Software
Standby Mode
In Other
Operations
7
OFF
ON/OFF
4 to 6
OFF
Legend:
OFF:
MOS input pull-up is always off.
ON/OFF: On when PDDDR = 0 and PDPCR = 1; otherwise off.
Note:
*
Manual reset is only supported in the H8S/2357 ZTAT.
Summary of Contents for ZTAT H8S/2357F
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