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Section 8 I/O Ports
Table 8.7 summarizes the states of the input pull-ups in each operating mode.
Table 8.7
Input Pull-Up Transistor States (Port 4)
Mode
1 to 5
8-bit bus mode
16-bit bus mode
6 and 7
Legend
Off:
The input pull-up transistor is always off.
On/off: The input pull-up transistor is on if P4PCR = 1 and P4DDR = 0. Otherwise, it is off.
Rev. 4.00 Jan 26, 2006 page 284 of 938
REJ09B0276-0400
Hardware
Reset
Standby Mode
Off
Off
Software
Standby Mode
Other Modes
On/off
On/off
Off
Off
On/off
On/off
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