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(5)
Input Pull-Up MOS
Port A has built-in input pull-up MOSs that can be controlled by software. This input pull-up
MOS can be used in any operating mode, and can be specified as on or off on a bit-by-bit basis.
PAnDDR
PAnODR
PAn pull-up MOS
[Legend]
n = 7 to 0, X: Don't care.
The input pull-up MOS is in the off state after a reset and in hardware standby mode. The prior
state is retained in software standby mode.
Table 8.7 summarizes the input pull-up MOS states.
Table 8.7
Input Pull-Up MOS States
Hardware Standby
Reset
Mode
Off
Off
[Legend]
Off:
Always off.
On/Off: On when PADDR = 0 and PAODR = 1; otherwise off.
0
1
ON
Software Standby
Mode
On/Off
0
OFF
In Other Operations
On/Off
Rev. 1.00 Mar. 12, 2008 Page 245 of 1178
Section 8 I/O Ports
1
X
OFF
REJ09B0403-0100
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