Renesas H8 Series Hardware Manual

Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 227 of 652
REJ09B0042-0700
8.8.3 Pin Functions
Table 8.21 shows the port 8 pin functions.
Table 8.21 Port 8 Pin Functions
Pin Pin Functions and Selection Method
The pin function depends on bits PCR8
7
to PCR8
0
in PCR8 and bits SGS3 to SGS0
in LPCR.
P8
7
to P8
4
(n = 7 to 4)
P8
7
/SEG
32
to
P8
0
/SEG
25
SGS3 to SGS0
Other than 1000, 1001, 1010, 1011, 1100,
1101, 1110, 1111
1000, 1001, 1010,
1011, 1100, 1101,
1110, 1111
PCR8
n
01*
Pin function P8
n
input pin P8
n
output pin SEG
n+25
output pin
P8
3
to P8
0
(m = 3 to 0)
SGS3 to SGS0 Other than 0111, 1000, 1001, 1010, 1011,
1100, 1101, 1110
0111, 1000, 1001,
1010, 1011, 1100,
1101, 1110
PCR8
m
01*
Pin function P8
m
input pin P8
m
output pin SEG
m+25
output pin
*: Don’t care
8.8.4 Pin States
Table 8.22 shows the port 8 pin states in each operating mode.
Table 8.22 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

Renesas H8 Series Specifications

General

Brand	Renesas
Model	H8 Series
Category	Computer Hardware
Language	English