M37702E6BFS Renesas Electronics America, M37702E6BFS Datasheet - Page 494

• 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 6. Q & A
21–48
To prevent this problem, use software to execute the routine that should not accept a certain interrupt
request after change of interrupt priority level is completed. The following shows a sample program.
A
[ Sample program ]
After an instruction which writes “000
tion queue buffer with the NOP instruction to make the next instruction not be executed before the
writing is completed.
CLB #07H, XXXIC ; Sets the interrupt priority level select bits to “000
NOP
NOP
NOP
LDA A,DATA
:
;
;
;
; Instruction at the beginning of the routine that should not accept a certain
interrupt request
7702/7703 Group User’s Manual
2
” to the interrupt priority level select bits, fill the instruc-
2
.”
Interrupt
(2/2)