M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 475

• 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

Processor mode register
b7
b6
0
b5
b4
b3
b2
b1
b0
Processor mode register (Address 5E
Notes 1: While supplying the Vcc level to the CNVss pin, this bit becomes “1”
Bit
2
3
5
0
1
4
6
7
2: This bit is ignored in the microprocessor mode. (It may be either “0” or “1.”)
Processor mode bits
Software reset bit
Wait bit
Interrupt priority detection time
select bits
Fix this bit to “0.”
Clock
after a reset. (Fixed to “1.”)
7702/7703 Group User’s Manual
1
output select bit
Bit name
(Note 2)
16
b1 b0
b5 b4
0 0 : 7 cycles of
0 1 : 4 cycles of
1 0 : 2 cycles of
1 1 : Not selected
0 : Software Wait is inserted when
1 : No software Wait is inserted
The microcomputer is reset by
writing “1” to this bit. The value is
“0” at reading.
0 : Clock
1 : Clock
0 0 : Single-chip mode
0 1 : Memory expansion mode
1 0 : Microprocessor mode
1 1 : Not selected
)
(P4
I/O port.)
(P4
put pin.)
accessing external area.
when accessing external area.
2
2
functions as a programmable
functions as a clock
Appendix 3. Control registers
1
1
Functions
output disabled
output enabled
1
out-
APPENDIX
(Note 1)
At reset
0
0
0
0
0
0
0
0
RW
RW
RW
RW
WO
RW
RW
RW
RW
21–29