8.6.4
Pin States
Table 8-16 shows the port 5 pin states in each operating mode.
Table 8-16 Port 5 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
Functional Functional
P57/WKP7/
SEG8 to P50/
High-
Retains
Retains
previous
state
High-
Retains
impedance previous
state
impedance* previous
WKP0/SEG1
state
Note:
*
A high-level signal is output when the MOS pull-up is in the on state.
8.6.5
MOS Input Pull-Up
Port 5 has a built-in MOS input pull-up function that can be controlled by software. When a
PCR5 bit is cleared to 0, setting the corresponding PUCR5 bit to 1 turns on the MOS pull-up for
that pin. The MOS pull-up function is in the off state after a reset.
PCR5n
0
0
1
PUCR5n
0
1
*
MOS input pull-up
Off
On
Off
(n = 7 to 0)
*: Don’t care
158
ETC [ ETC ]
