M37754FFCGP Datasheet, PDF (23/68 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION

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MITSUBISHI MICROCOMPUTERS
M37754FFCGP
M37754FFCHP
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
Program
START
Erase
START
VCC = 5 V, VPP = VPPH
VCC = 5 V, VPP = VPPH
ADRS = first location
X=0
WRITE PROGRAM
COMMAND
4016
WRITE PROGRAM
DATA
DIN
DURATION = 10 µs
X=X+1
WRITE PROGRAM-VERIFY
COMMAND
C016
DURATION = 6 µs
YES
X = 25 ?
FAIL
NO
VERIFY BYTE ?
PASS
VERIFY BYTE ?
INC ADRS
PASS
NO
LAST ADRS ?
YES
WRITE READ COMMAND
0016
FAIL
VPP = VPPL
DEVICE
PASSED
DEVICE
FAILED
YES
ALL
BYTES = 0016 ?
NO
PROGRAM
ALL BYTES = 0016
ADRS = first location
X=0
WRITE ERASE
COMMAND
2016
WRITE ERASE
COMMAND
2016
DURATION = 9.5 ms
X=X+1
WRITE ERASE-VERIFY
COMMAND
A016
DURATION = 6 µs
X = 1000 ?
YES
FAIL
NO
VERIFY BYTE ?
PASS
VERIFY BYTE ?
INC ADRS
PASS
NO
LAST ADRS ?
FAIL
YES
WRITE READ COMMAND
0016
VPP = VPPL
DEVICE
PASSED
DEVICE
FAILED
Fig. 12 Programming/Erasing algorithm flow chart
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