M38861EDHP データシートの表示（PDF） - Renesas Electronics

部品番号

コンポーネント説明

メーカー

M38861EDHP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

MITSUBISHI MICROCOMPUTERS

3886 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Program

START

Erase

START

ADRS = first location

X=0

WRITE PROGRAM

COMMAND

WRITE PROGRAM

DATA

4016

DIN

WAIT 1µs

NO

ERASE PROGRAM

BUSY FLAG = 0

YES

X=X+1

WRITE PROGRAM-VERIFY

COMMAND

C016

DURATION = 6 µs

X = 25 ?

YES

FAIL

NO

VERIFY BYTE ?

PASS

VERIFY BYTE ?

INC ADRS

PASS

NO

LAST ADRS ?

YES

WRITE READ COMMAND

0016

FAIL

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

WAIT 1µs

NO

ERASE PROGRAM

BUSY FLAG = 0

YES

X=X+1

WRITE ERASE-VERIFY

COMMAND

DURATION = 6 µs

A016

X = 1000 ?

YES

FAIL

NO

VERIFY BYTE ?

PASS

VERIFY BYTE ?

INC ADRS

PASS

NO

LAST ADRS ?

FAIL

YES

WRITE READ COMMAND

0016

DEVICE

PASSED

DEVICE

FAILED

Fig. 82 Flowchart of program/erase operation at CPU reprogramming mode

84

Share Link: