Renesas H8 Series

Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 224 of 652
REJ09B0042-0700
8.7.3 Pin Functions
Table 8.18 shows the port 7 pin functions.
Table 8.18 Port 7 Pin Functions
Pin Pin Functions and Selection Method
P7
7
/SEG
24
to
P7
0
/SEG
17
The pin function depends on bits PCR7
7
to PCR7
0
in PCR7 and bits SGS3 to
SGS0 in LPCR.
P7
7
to P7
4
(n = 7 to 4)
SGS3 to SGS0
Other than 0110, 0111, 1000, 1001,
1010, 1011, 1100, 1101
0110, 0111, 1000,
1001, 1010, 1011,
1100, 1101
PCR7
n
01*
Pin function P7
n
input pin P7
n
output pin SEG
n+17
output pin
P7
3
to P7
0
(m = 3 to 0)
SGS3 to SGS0
Other than 0101, 0110, 0111, 1000,
1001, 1010, 1011, 1100
0101, 0110, 0111,
1000, 1001, 1010,
1011, 1100
PCR7
m
01*
Pin function P7
m
input pin P7
m
output pin SEG
m+17
output pin
*: Don’t care
8.7.4 Pin States
Table 8.19 shows the port 7 pin states in each operating mode.
Table 8.19 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