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HD6432142 Datasheet(PDF) 319 Page - Renesas Technology Corp

Part # HD6432142
Description  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1177 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432142 Datasheet(HTML) 319 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 4.00 Sep 27, 2006 page 275 of 1130
REJ09B0327-0400
8.12.3
Pin Functions
Port B pins also function as HIF input pins (
CS3, CS4, HIRQ3, HIRQ4) [H8S/2148 Group and
H8S/2147N only] and data bus I/O pins (D7 to D0). The port B pin functions are shown in table
8.26.
Table 8.26
Port B Pin Functions
Pin
Selection Method and Pin Functions
PB7/D7
The pin function is switched as shown below according to the combination of
the operating mode, bit PB7DDR, and bit ABW in WSCR.
Operating
mode
Modes 1, 2, 3
(EXPE = 1)
Modes 2, 3
(EXPE = 0)
ABW
0
1
—
PB7DDR
—
0
101
Pin function
D7
I/O pin
PB7
input pin
PB7
output pin
PB7
input pin
PB7
output pin
PB6/D6
The pin function is switched as shown below according to the combination of
the operating mode, bit PB6DDR, and bit ABW in WSCR.
Operating
mode
Modes 1, 2, 3
(EXPE = 1)
Modes 2, 3
(EXPE = 0)
ABW
0
1
—
PB6DDR
—
0
101
Pin function
D6
I/O pin
PB6
input pin
PB6
output pin
PB6
input pin
PB6
output pin
PB5/D5
The pin function is switched as shown below according to the combination of
the operating mode, bit PB5DDR, and bit ABW in WSCR.
Operating
mode
Modes 1, 2, 3
(EXPE = 1)
Modes 2, 3
(EXPE = 0)
ABW
0
1
—
PB5DDR
—
0
101
Pin function
D5
I/O pin
PB5
input pin
PB5
output pin
PB5
input pin
PB5
output pin



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