
8.7.3 Pin Functions
Table 8-18 shows the port 7 pin functions.
Table 8-18 Port 7 Pin Functions
Pin
Pin Functions and Selection Method
P7
7
/SEG
24
The pin function depends on bit PCR7
n
in PCR7 and bits SGS3 to SGS0 in LPCR.
to P7
0
/SEG
17
(n = 7 to 0)
SEGS3 to SEGS0
00
**
01
**
, 1
***
PCR7
n
0
1
*
Pin function
P7
n
input pin
P7
n
output pin
SEG
n+17
output pin
*:
Don’t care
8.7.4 Pin States
Table 8-19 shows the port 7 pin states in each operating mode.
Table 8-19 Port 7 Pin States
Pins
Reset
Sleep
Subsleep
Standby
Watch
Subactive
Active
P7
7
/SEG
24
High- Retains
Retains
High-
Retains
Functional
Functional
to impedance
previous
previous
impedance
previous
P7
0
/SEG
17
state
state
state
161