mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 33

• Manufacturer Part Number: mc68hc908rf2
• Description: M68hc08 Microcontrollers Microcontroller / Transmitter
• Manufacturer: Freescale Semiconductor, Inc

MC68HC908RF2 — Rev. 4.0
MOTOROLA
Note: This page program algorithm
assumes the page/s to be programmed
are initially erased.
Page Program/Margin Read Procedure
Note: This algorithm is mandatory for
programming the FLASH 2TS.
Figure 2-4. Smart Programming Algorithm Flowchart
Freescale Semiconductor, Inc.
For More Information On This Product,
N
INCREMENT ATTEMPT COUNTER
Go to: www.freescale.com
PROGRAMMING OPERATION
Y
CLEAR MARGIN BIT
ATTEMPT COUNT
EQUAL TO
fls
FAILED
Pulses
Memory
?
N
READ FLASH BLOCK PROTECT REG.
INITIALIZE ATTEMPT COUNTER
MARGIN READ PAGE OF DATA
PROGRAMMING OPERATION
SET PGM BIT AND FDIV BITS
CLEAR INTERRUPT MASK:
PROGRAM FLASH 2TS
SET INTERRUPT MASK:
MARGIN READ DATA
CLEAR MARGIN BIT
SEI INSTRUCTION
SELECTED PAGE
CLI INSTRUCTION
CLEAR HVEN BIT
SET MARGIN BIT
WRITE DATA TO
CLEAR PGM BIT
SET HVEN BIT
Y
WRITE DATA?
WAIT T
COMPLETE
WAIT t
WAIT t
WAIT t
EQUAL TO
TO 0
STEP
HVTV
VTP
HVD
FLASH 2TS Memory
Data Sheet
Memory
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