hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 269

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

8.8.3
Table 8.21 shows the port 8 pin functions.
Table 8.21 Port 8 Pin Functions
Pin
P8
to
P8
8.8.4
Table 8.22 shows the port 8 pin states in each operating mode.
Table 8.22 Port 8 Pin States
Pins
P8
P8
7
0
7
0
/SEG
/SEG
/SEG
/SEG
32
25
32
25
Pin States
Pin Functions
to
Pin Functions and Selection Method
The pin function depends on bits PCR8
in LPCR.
P8
P8
SGS3 to SGS0
SGS3 to SGS0
7
3
Pin function
Pin function
to P8
to P8
Reset
High-
impedance
PCR8
PCR8
4
0
m
n
Retains
previous
state
Sleep
Other than 1000, 1001, 1010, 1011, 1100,
Other than 0111, 1000, 1001, 1010, 1011,
P8
P8
m
n
Subsleep Standby
Retains
previous
state
input pin
input pin
0
0
1101, 1110, 1111
1100, 1101, 1110
High-
impedance
7
to PCR8
Rev. 7.00 Mar 10, 2005 page 227 of 652
P8
P8
m
n
output pin
output pin
0
in PCR8 and bits SGS3 to SGS0
1
1
Watch
Retains
previous
state
Subactive Active
Functional Functional
Section 8 I/O Ports
SEG
SEG
1000, 1001, 1010,
1011, 1100, 1101,
0111, 1000, 1001,
1010, 1011, 1100,
REJ09B0042-0700
1110, 1111
1101, 1110
m+25
n+25
(m = 3 to 0)
*: Don’t care
(n = 7 to 4)
output pin
*
*
output pin