m38039mf-xxxsp Mitsumi Electronics, Corp., m38039mf-xxxsp Datasheet - Page 113

• Manufacturer Part Number: m38039mf-xxxsp
• Description: Single-chip 8-bit Cmos Microcomputer
• Manufacturer: Mitsumi Electronics, Corp.

Fig. 104 Flowchart of program/erase operation at CPU reprogramming mode
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
FAIL
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
NO
NO
WRITE READ COMMAND
WRITE ERASE-VERIFY
ADRS = first location
ALL BYTES = 00
ERASE PROGRAM
DURATION = 6 s
BYTES = 00
VERIFY BYTE ?
WRITE ERASE
WRITE ERASE
BUSY FLAG = 0
PASS
LAST ADRS ?
MITSUBISHI MICROCOMPUTERS
PROGRAM
COMMAND
COMMAND
COMMAND
X = 1000 ?
WAIT 1 s
NO
X = X
PASSED
DEVICE
START
X = 0
ALL
NO
YES
YES
1
3803/3804 Group
16
?
16
PASS
YES
20
20
16
16
A0
00
VERIFY BYTE ?
16
16
DEVICE
FAILED
FAIL
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