MC68HC908JK3EMP MOTOROLA [Motorola, Inc], MC68HC908JK3EMP Datasheet - Page 47

• Manufacturer Part Number: MC68HC908JK3EMP
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

4.6 FLASH Mass Erase Operation
MC68H(R)C908JL3E/JK3E/JK1E
MOTOROLA
NOTE:
Use the following procedure to erase the entire FLASH memory:
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.
1. Set both the ERASE bit and the MASS bit in the FLASH Control
2. Write any data to any FLASH location within the FLASH memory
3. Wait for a time, t
4. Set the HVEN bit.
5. Wait for a time t
6. Clear the ERASE bit.
7. Wait for a time, t
8. Clear the HVEN bit.
9. After time, t
—
Register.
address range.
again.
Rev. 2.0
FLASH Memory (FLASH)
rcv
(1µs)
MErase
nvs
nvh1
,
(10µs).
the memory can be accessed in read mode
(100µs).
(4ms).
FLASH Mass Erase Operation
FLASH Memory (FLASH)
Technical Data
47