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(8)
Port 3 Input Pull-Up MOS
Port 3 has built-in input pull-up MOSs that can be controlled by software. The input pull-up MOS
can be used in single-chip mode and address-data multiplex extended mode. Table 8.4 summarizes
the input pull-up MOS states.
Table 8.4
Port 3 Input Pull-Up MOS States
Mode
Normal extended mode
(EXPE = 1, ADMXE = 0)
Single-chip mode (EXPE = 0)
Address-data multiplex
extended mode (EXPE = 1,
ADMXE = 1)
[Legend]
Off:
Always off.
On/Off: On when input state and P3PCR = 1; otherwise off.
Hardware
Reset
Standby Mode
Off
Off
Off
Off
Section 8 I/O Ports
Software Standby
Mode
Off
On/Off
Rev. 1.00 Mar. 12, 2008 Page 205 of 1178
In Other
Operations
Off
On/Off
REJ09B0403-0100
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