Pin Functions; Pin States - Renesas H8 Series Hardware Manual

8-bit single-chip microcomputer
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Section 8 I/O Ports
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
/SEG
to
The pin function depends on bits PCR7
7
24
P7
/SEG
SGS0 in LPCR.
0
17
P7
7
SGS3 to SGS0
P7
3
SGS3 to SGS0
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
P7
/SEG
to
High-
7
24
P7
/SEG
impedance
0
17
Rev. 7.00 Mar 10, 2005 page 224 of 652
REJ09B0042-0700
to P7
4
Other than 0110, 0111, 1000, 1001,
PCR7
n
Pin function
P7
to P7
0
Other than 0101, 0110, 0111, 1000,
PCR7
m
Pin function
P7
Sleep
Subsleep Standby
Retains
Retains
previous
previous
state
state
to PCR7
7
1010, 1011, 1100, 1101
0
input pin
P7
output pin
n
n
1001, 1010, 1011, 1100
0
input pin
P7
m
m
Watch
High-
Retains
impedance
previous
state
in PCR7 and bits SGS3 to
0
(n = 7 to 4)
0110, 0111, 1000,
1001, 1010, 1011,
1100, 1101
1
SEG
n+17
(m = 3 to 0)
0101, 0110, 0111,
1000, 1001, 1010,
1011, 1100
1
output pin
SEG
m+17
*: Don't care
Subactive Active
Functional Functional
*
output pin
*
output pin

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