參數(shù)資料
型號(hào)： MC68HRC908JL3CP
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： MC68HC908JK1
中文描述： 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PDIP28
封裝： PLASTIC, DIP-28
文件頁數(shù)： 42/83頁
文件大?。?/td> 1923K
代理商： MC68HRC908JL3CP
Technical Data
MC68H(R)C908JL3
—
Rev. 1.0
42
FLASH Memory (FLASH)
MOTOROLA
5.
Wait for a time t
ERASE
(1ms).
Clear the ERASE bit.
6.
7.
Wait for a time, t
nvh
(5
μ
s).
Clear the HVEN bit.
8.
9.
After time, t
rcv
(1
μ
s)
,
the memory can be accessed in read mode
again.
NOTE:
Programming and erasing of FLASH locations cannot be performed by
code being executed from the FLASH memory. While these operations
must be performed in the order as shown, but other unrelated operations
may occur between the steps.
4.6 FLASH Mass Erase Operation
Use the following procedure to erase the entire FLASH memory:
1.
Set both the ERASE bit and the MASS bit in the FLASH Control
Register.
Write any data to any FLASH location within the FLASH memory
address range.
Wait for a time, t
nvs
(10
μ
s).
Set the HVEN bit.
Wait for a time t
ERASE
(4ms).
Clear the ERASE bit.
Wait for a time, t
nvh1
(100
μ
s).
Clear the HVEN bit.
After time, t
rcv
(1
μ
s)
,
the memory can be accessed in read mode
again.
2.
3.
4.
5.
6.
7.
8.
9.
NOTE:
Programming and erasing of FLASH locations cannot be performed by
code being executed from the FLASH memory. While these operations
must be performed in the order as shown, but other unrelated operations
may occur between the steps.
相關(guān)PDF資料
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