Datasheet

Section 8 I/O Ports
Rev. 6.00 Aug 04, 2006 page 240 of 680
REJ09B0145-0600
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
P7
7
/SEG
24
to P7
0
/SEG
17
The pin function depends on bit PCR7
n
in PCR7 and bits SGS3 to SGS0 in
LPCR.
(n = 7 to 0)
SGS3 to SGS0 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
8.8.4 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
P7
7
/SEG
24
to
P7
0
/SEG
17
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional