m37905 Renesas Electronics Corporation., m37905 Datasheet - Page 442
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m37905
Manufacturer Part Number
m37905
Description
Mitsubishi 16-bit Single-chip Microcomputer 7700 Family / 7900 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.M37905.pdf
(565 pages)
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Port Pi register (i = 1, 2, 4 to 8)
(Addresses 3
Notes 1: Nothing is assigned for bits 0 and 4 of the port P5 register. These bits are undefined at reading.
Port Pi direction register (i = 1, 2, 4 to 8)
(Addresses 5
Notes 1: Nothing is assigned for bits 0 and 4 of the port P5 direction register. These bits are undefined at reading.
Bit
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
2: Nothing is assigned for bits 4 to 7 of the port P8 register. These bits are undefined at reading.
2: Nothing is assigned for bits 4 to 7 of the port P8 direction register. These bits are undefined at reading.
3: Any of bits 0 to 7 of the port P4 direction register becomes “0” by input of a falling edge to pin P4OUT
4: Any of bits 0 to 7 of the port P6 direction register becomes “0” by input of a falling edge to pin P6OUT
section “5.2.3 Pin P4OUT
section “5.2.4 Pin P6OUT
Port pin Pi
Port pin Pi
Port pin Pi
Port pin Pi
Port pin Pi
Port pin Pi
Port pin Pi
Port pin Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
16
16
, 6
, 8
0
1
2
3
4
5
6
7
16
16
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
, A
, C
0
1
2
3
4
5
6
7
Bit name
Bit name
16
16
, B
, D
16
16
, E
, 10
16
16
, F
CUT
CUT
, 11
16,
/INT
/INT
12
16,
0
4
.”)
.”)
16
14
)
16
)
7905 Group User’s Manual Rev.1.0
Data is input from or output to a pin by reading from
or writing to the corresponding bit.
0 : Input mode
1 : Output mode
(The port functions as an input port.)
(The port functions as an output port.)
0 : “L” level
1 : “H” level
Function
Funtion
Appendix 2. Control registers
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
At reset
At reset
CUT
CUT
0
0
0
0
0
0
0
0
/INT
/INT
APPENDIX
0
4
. (Refer to
. (Refer to
R/W
R/W
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Reference
Reference
Port P1
Port P2
Port P4
Port P5
Port P6
Port P7
Port P8
11-18
10-13
12-15
11-18
12-15
6-17
9-11
9-22
5-4
5-3
7-9
8-7
5-7
7-9
8-7
5-7
7-9
20-11
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