Datasheet

Section 8 I/O Ports
Rev. 6.00 Aug 04, 2006 page 243 of 680
REJ09B0145-0600
8.9.3 Pin Functions
Table 8.24 shows the port 8 pin functions.
Table 8.24 Port 8 Pin Functions
Pin Pin Functions and Selection Method
P8
7
/SEG
32
to P8
0
/SEG
25
The pin function depends on bit PCR8
n
in PCR8 and bits SGS3 to SGS0 in
LPCR.
(n = 7 to 0)
SGS3 to SGS0 000* 001*, 01**,1***
PCR8
n
0 1 *
Pin function P8
n
input pin P8
n
output pin SEG
n+25
output pin
*: Don’t care
8.9.4 Pin States
Table 8.25 shows the port 8 pin states in each operating mode.
Table 8.25 Port 8 Pin States
Pins Reset Sleep Subsleep Standby Watch Subactive Active
P8
7
/SEG
32
to
P8
0
/SEG
25
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional