mc68hc908jb16 Freescale Semiconductor, Inc, mc68hc908jb16 Datasheet - Page 63

• Manufacturer Part Number: mc68hc908jb16
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

4.6 FLASH Mass Erase Operation
MC68HC908JB16
Freescale Semiconductor
NOTE:
—
Rev. 1.1
Use the following procedure to erase the entire FLASH memory:
Programming and erasing of FLASH locations cannot be performed by
executing code from the FLASH memory; the code must be executed
from RAM. 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 address within the address range
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.
$FFD0–$FFFF.
again.
FLASH Memory
rcv
(1µs), the memory can be accessed in read mode
MErase
nvs
nvhl
(5µs).
(100µs).
(200ms).
FLASH Memory
Technical Data
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