8.8.3
Pin Functions
Table 8-21 shows the port 7 pin functions.
Table 8-21 Port 7 Pin Functions
Pin
Pin Functions and Selection Method
P77/SEG24
to P70/SEG17
The pin function depends on bit PCR7n in PCR7 and bits SGS3 to SGS0 in
LPCR.
(n = 7 to 0)
SGS3 to SGS0
PCR7n
00**
P7n output pin
01**, 1***
0
1
*
Pin function
P7n input pin
SEGn+17 output pin
*: Don’t care
8.8.4
Pin States
Table 8-22 shows the port 7 pin states in each operating mode.
Table 8-22 Port 7 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
P77/SEG24
to
High-
Retains
Retains
previous
state
High-
Retains
Functional
Functional
impedance previous
state
impedance previous
state
P70/SEG17
164
ETC [ ETC ]
