W78E58BP-40 Nuvoton Technology Corporation of America, W78E58BP-40 Datasheet - Page 18

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W78E58BP-40

Manufacturer Part Number
W78E58BP-40
Description
Manufacturer
Nuvoton Technology Corporation of America
Datasheet

Specifications of W78E58BP-40

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W78E58B/W78E058B
The Algorithm of In-System Programming
Part 1:32KB APROM
procedure of entering
START
In-System Programming Mode
Enter In-System
No
Programming Mode ?
(conditions depend on
user's application)
Yes
Setting control registers
Execute the normal application
MOV CHPENR,#87H
MOV CHPENR,#59H
program
MOV CHPCON,#03H
Setting Timer (about 1.5 us)
and enable timer interrupt
END
Start Timer and enter idle Mode.
(CPU will be wakened from idle mode
by timer interrupt, then enter In-System
Programming mode)
CPU will be wakened by interrupt and
re-boot from 4KB LDROM to execute
the loader program.
Go
Publication Release Date: April 22, 2008
- 18 -
Revision A9

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