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參數(shù)資料
型號: W78LE516
廠商: WINBOND ELECTRONICS CORP
元件分類: 8位微控制器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 16/31頁
文件大小: 287K
代理商: W78LE516
Preliminary W78LE516
- 16 -
Part 2: 4KB LDROM
Procedure of Updating
the 64KB APROM
Go
Timer Interrupt Service Routine:
Stop Timer & disable interrupt
Is F04KBOOT Mode
(CHPCON.7=1)
Reset the CHPCON Register:
MOV CHPENR,#87H
MOV CHPENR,#59H
MOV CHPCON,#03H
No
Yes
Setting Timer and enable Timer
interrupt for wake-up .
(15 ms for erasing operation)
Setting erase operation mode:
MOV SFRCN,#22H
(Erase 64KB APROM)
Start Timer and enter IDLE
Mode.
(Erasing...)
End of erase
operation. CPU will
be wakened by Timer
interrupt.
PGM
PGM
Setting Timer and enable Timer
interrupt for wake-up .
(50us for program operation)
End of Programming
Get the parameters of new code
(Address and data bytes)
through I/O ports, UART or
other interfaces.
Is currently in the
F04KBOOT Mode
Setting control registers for
programming:
MOV SFRAH,#ADDRESS_H
MOV SFRAL,#ADDRESS_L
MOV SFRFD,#DATA
MOV SFRCN,#21H
Software reset CPU and
re-boot from the 64KB
APROM.
MOV CHPENR,#87H
MOV CHPENR,#59H
MOV CHPCON,#83H
END
Executing new code
from address
00H in the 64KB APROM.
Hardware Reset
to re-boot from
new 64 KB APROM.
(S/W reset is
invalid in F04KBOOT
Mode)
Yes
No
Yes
No
相關PDF資料
PDF描述
W78LE516-24 8-BIT MICROCONTROLLER
W78LE516F-24 8-BIT MICROCONTROLLER
W78LE516P-24 8-BIT MICROCONTROLLER
W78LE51F-24 8-BIT MTP MICROCONTROLLER
W78LE51 8-BIT MTP MICROCONTROLLER
相關代理商/技術參數(shù)
參數(shù)描述
W78LE516_06 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78LE516-24 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78LE516A 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78LE516F-24 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER
W78LE516P-24 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER