M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 458

• Manufacturer Part Number: M37702E6BFS
• Description: EPROM MCU/8BIT CMOS EMULATION CH
• Manufacturer: Renesas Electronics America

Specifications of M37702E6BFS

• Accessory Type: Emulator EPROM MCU
• For Use With/related Products: 7702
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPENDIX
Appendix 3. Control registers
Port Pi register
Port Pi direction register
21–12
b7
b7
b6
b6
b5
b5
b4
b4
b3
b3
b2
b2
b1
b1
b0
b0
Port Pi direction register (i = 0 to 8)
(Addresses 4
Port Pi register (i = 0 to 8)
(Addresses 2
Notes 1: Bits 7 to 4 of the port P3 direction register cannot be written (they may be either “0” or “1”) and are
Note: Bits 7 to 4 of the port P3 register cannot be written (they may be either “0” or “1”) and are fixed to “0” at
Bit
Bit
0
1
2
3
4
5
6
7
5
7
0
2
6
1
3
4
2: In the memory expansion mode or the microprocessor mode, fix bits 0 and 1 of the port P4 direction
7703 Group
reading.
Corresponding
register to “0.”
Fix the following bits which do not have the corresponding pin to “1.”
fixed to “0” at reading.
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Port Pi
Bit
pin
16
7702/7703 Group User’s Manual
• Bit 3 of port P3 direction register
• Bits 3 to 6 of port P4 direction register
• Bits 0, 1, 6, and 7 of port P6 direction register
• Bits 3 to 6 of port P7 direction register
• Bits 4 and 5 of port P8 direction register
16
, 5
, 3
0
5
16
0
1
2
3
4
5
6
7
1
4
2
3
6
7
16
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
direction bit
, 8
, 6
Bit name
Bit name
b7
Pi
16
16
7
, 9
, 7
16
16
Pi
b6
, C
6
, A
16
16
, D
b5
Pi
, B
5
16
16
, 10
, E
Pi
b4
4
16
16
Data is input/output to/from a pin by
reading/writing from/to the corres-
ponding bit.
, F
1 : Output mode
0 : Input mode
, 11
0 : “L” level
1 : “H” level
Pi
b3
16
(Functions as an input port)
(Functions as an output port)
3
16
, 12
, 14
b2
Pi
16
2
16
)
Functions
Functions
)
Pi
b1
1
Pi
b0
0
At reset
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
Undefined
At reset
0
0
0
0
0
0
0
0
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW