AN1827 Freescale Semiconductor / Motorola, AN1827 Datasheet - Page 13

Manufacturer Part Number

AN1827

Description

Programming and Erasing FLASH Memory on the MC68HC908AS60

Manufacturer

Freescale Semiconductor / Motorola

Datasheet

1.AN1827.pdf (60 pages)

AN1827

MOTOROLA

Freescale Semiconductor, Inc.

For More Information On This Product,

Figure 3. FLASH Erase Operation Flowchart

Go to: www.freescale.com

3. WRITE TO AN ADDRESS IN THE

1. SET ERASE BIT, BLK BITS

2. READ BLOCK PROTECT

5. WAIT A TIME, t

8. CLEAR ERASE BIT

REGISTERS (FLBPR)

9. WAIT A TIME, t

6. CLEAR HVEN BIT

7. WAIT A TIME, t

ERASE OPERATION

BLOCK TO ERASE

4. SET HVEN BIT

ERASE FLASH

AND FDIV BITS

COMPLETE

Erase

HVD

Kill

Application Note

Erase Operation