Datasheet

Section 8 I/O Ports
Rev. 6.00 Aug 04, 2006 page 247 of 680
REJ09B0145-0600
Pin Pin Functions and Selection Method
P9
3
/SEG
36
to
P9
0
/SEG
33
The pin function depends on bit PCR9
n
in PCR9 and bits SGS3 to SGS0 in
LPCR.
(n = 3 to 0)
SGS3 to SGS0 0000 Not 0000
PCR9
n
0 1 *
Pin function P9
n
input pin P9
n
output pin SEG
n+33
output pin
*: Don’t care
8.10.4 Pin States
Table 8.28 shows the port 9 pin states in each operating mode.
Table 8.28 Port 9 Pin States
Pins Reset Sleep Subsleep Standby Watch Subactive Active
P9
7
/SEG
40
/CL
1
P9
6
/SEG
39
/CL
2
P9
5
/SEG
38
/DO
P9
4
/SEG
37
/M
P9
3
/SEG
36
to
P9
0
/SEG
33
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional