Preliminary W78LE516
Publication Release Date: June 2000
- 15 - Revision A1
START
The Algorithm of In-System Programming
Enter In-System
Programming Mode ?
(conditions depend on
user's application)
Setting control registers
MOV CHPENR,#87H
MOV CHPENR,#59H
MOV CHPCON,#03H
Setting Timer (about 1.5 us)
and enable timer interrupt
Start Timer and enter idle Mode.
(CPU will be wakened from idle mode
by timer interrupt, then enter In-System
Programming mode)
Execute the normal application
program
No
Yes
END
CPU will be wakened by interrupt and
re-boot from 4KB LDROM to execute
the loader program.
Go
Part 1:64KB APROM
procedure of entering
In-System Programming Mode
