Datasheet

Section 8 I/O Ports
Rev. 8.00 Mar. 09, 2010 Page 214 of 658
REJ09B0042-0800
8.4.4 Pin States
Table 8.10 shows the port 4 pin states in each operating mode.
Table 8.10 Port 4 Pin States
Pins Reset Sleep Subsleep Standby Watch Subactive Active
P4
3
/IRQ
0
P4
2
/TXD
32
P4
1
/RXD
32
P4
0
/SCK
32
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional