mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 132

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

ColdFire Flash Module (CFM)
6-20
CLOCK REGISTER
WRITTEN CHECK
COMPLETION CHECK
COMMAND BUFFER
VIOLATION CHECK
ADDRESS, DATA,
FOR COMMAND
ERROR CHECK
EMPTY CHECK
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
PROTECTION
BIT POLLING
ACCESS
1.
2.
3.
READ CFMCLKD
DIVLD SET?
YES
WRITE PROGRAM COMMAND 0x20
WRITE 0x80 TO CLEAR CFMUSTAT
Figure 6-13. Example Program Algorithm
START
WRITE PROGRAM DATA
TO ARRAY ADDRESS
READ CFMUSTAT
READ CFMUSTAT
READ CFMUSTAT
NO
NO
TO CFMCMD
NO
YES
YES
CBEIF BIT
ACCERR
PVIOL
CBEIF
SET?
SET?
SET?
CBEIF
SET?
SET?
CCIF
EXIT
NO
WRITE CFMCLKD
YES
YES
YES
NO
NO
NOTE: COMMAND SEQUENCE
ABORTED BY WRITING 0x00
TO CFMUSTAT
NOTE: COMMAND SEQUENCE
ABORTED BY WRITING 0x00
TO CFMUSTAT
CFMUSTAT ACCERR BIT
CFMUSTAT PVIOL BIT
WRITE 0x20 TO CLEAR
WRITE 0x10 TO CLEAR
NEXT WRITE?
YES
NO
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