148
8.7.3
Pin Functions
Table 8.18 gives the port 8 pin functions.
Table 8.18
Port 8 Pin Functions
Pin
Pin Functions and Selection Method
P8
7
to P8
0
The pin function depends on bit PCR8
n
in PCR8.
(n = 7 to 0)
PCR8
n
0
1
Pin function
P8
n
input pin
P8
n
output pin
8.7.4
Pin States
Table 8.19 shows the port 8 pin states in each operating mode.
Table 8.19
Port 8 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
P8
7
to P8
0
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional
Functional