HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 433

• Manufacturer Part Number: HD6412320
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family H8S-2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

9.8.4
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 PA
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 reset, and in hardware standby mode.
The prior state is retained in software standby mode.
Table 9.15 summarizes the MOS input pull-up states.
Table 9.15 MOS Input Pull-Up States (Port A)
Modes
6, 7
4, 5
Legend:
Off:
On/off: On when PADDR = 0 and PAPCR = 1; otherwise off.
MOS input pull-up is always off.
MOS Input Pull-Up Function
PA
PA
PA
7
7
4
to PA
to PA
to PA
0
5
0
Reset
Off
Hardware
Standby Mode
Off
7
to PA
5
in modes 4 and 5, and by all pins in modes
Rev.6.00 Sep. 27, 2007 Page 403 of 1268
Software
Standby Mode
On/off
On/off
Off
Section 9 I/O Ports
REJ09B0220-0600
In Other
Operations
On/off
On/off
Off