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HD6432351 Datasheet(PDF) 437 Page - Renesas Technology Corp

Part # HD6432351
Description  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 437 Page - Renesas Technology Corp

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Section 9 I/O Ports
Rev. 3.00 Sep 15, 2006 page 403 of 988
REJ09B0330-0300
Pin
Selection Method and Pin Functions
PF3/LWR
The pin function is switched as shown below according to the operating mode
and bit PF3DDR.
Operating
Mode
Modes 1, 2, 4 to 6*
Modes 3 and 7*
PF3DDR
—
0
1
Pin function
LWR output pin
PF3 input pin
PF3 output pin
PF2/LCAS/WAIT/
BREQO
The pin function is switched as shown below according to the combination of
the operating mode, and bits RMTS2 to RMTS0, LCASS, BREQOE, WAITE,
ABW5 to ABW2, and PF2DDR.
Operating
Mode
Modes 1, 2, 4 to 6*
Modes 3 and 7*
LCASS
0
1*
—
BREQOE
0
1
—
—
WAITE
0
1
—
—
—
PF2DDR
0
1
—
—
—
0
1
Pin function
PF2
input
pin
PF2
output
pin
WAIT
input
pin
BREQO
output
pin
LCAS
output
pin
PF2
input
pin
PF2
output
pin
Note:
1. Only in DRAM space 16-bit access in modes 4 to 6 when RMTS2
to RMTS0 = B'001 to B'011.
PF1/BACK
The pin function is switched as shown below according to the combination of
the operating mode, and bits BRLE and PF1DDR.
Operating
Mode
Modes 1, 2, 4 to 6*
Modes 3 and 7*
BRLE
0
1
—
PF1DDR
0
1
—
0
1
Pin function
PF1
input pin
PF1
output pin
BACK
output pin
PF1
input pin
PF1
output pin



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