M38867E8AHP MITSUBISHI [Mitsubishi Electric Semiconductor], M38867E8AHP Datasheet - Page 84

• Manufacturer Part Number: M38867E8AHP
• Description: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER??
• Manufacturer: MITSUBISHI [Mitsubishi Electric Semiconductor]

Fig. 82 Flowchart of program/erase operation at CPU reprogramming mode
84
Program
INC ADRS
FAIL
NO
NO
WRITE PROGRAM-VERIFY
WRITE READ COMMAND
ADRS = first location
WRITE PROGRAM
WRITE PROGRAM
ERASE PROGRAM
DURATION = 6 s
VERIFY BYTE ?
BUSY FLAG = 0
PASS
LAST ADRS ?
COMMAND
COMMAND
WAIT 1 s
NO
X = X
PASSED
X = 25 ?
DEVICE
START
DATA
X = 0
YES
YES
1
YES
PASS
40
DIN
16
C0
00
VERIFY BYTE ?
16
16
DEVICE
FAILED
FAIL
Erase
INC ADRS
YES
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
FAIL
NO
NO
WRITE READ COMMAND
WRITE ERASE-VERIFY
ADRS = first location
ALL BYTES = 00
ERASE PROGRAM
DURATION = 6 s
MITSUBISHI MICROCOMPUTERS
BYTES = 00
VERIFY BYTE ?
WRITE ERASE
WRITE ERASE
BUSY FLAG = 0
PASS
LAST ADRS ?
PROGRAM
COMMAND
COMMAND
COMMAND
X = 1000 ?
NO
WAIT 1 s
X = X
PASSED
DEVICE
START
X = 0
ALL
NO
YES
YES
1
16
?
16
PASS
YES
3886 Group
20
20
16
16
A0
00
VERIFY BYTE ?
16
16
DEVICE
FAILED
FAIL