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參數(shù)資料
| 型號： | M38858MC-XXXHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁數(shù)： | 91/105頁 |
| 文件大小： | 1403K |
| 代理商： | M38858MC-XXXHP |
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3885 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
83
Start
Write 4016
Status register
read
Program
completed
NO
YES
Program address
Program data
SR4=0?
Program
error
NO
YES
SR7=1?
or
RY/BY=1?
Write
Fig. 79 Program flowchart
Program Command (4016)
Program operation starts when the command code “4016” is written
in the first bus cycle. Then, if the address and data to program are
written in the 2nd bus cycle, program operation (data programming
and verification) will start.
Whether the program operation is completed can be confirmed by
_____
reading the status register or the RY/BY status flag. When the pro-
gram starts, the read status register mode is accessed automatically
and the content of the status register is read into the data bus (D0–
D7). The status register bit 7 (SR7) is set to “0” at the same time the
program operation starts and is returned to “1” upon completion of
the program operation. In this case, the read status register mode
remains active until the read array command (FF16) is written.
____
The RY/BY status flag is “0” during program operation and “1” when
the program operation is completed as is the status register bit 7.
At program end, program results can be checked by reading the sta-
tus register.
Block Erase Command (2016/D016)
By writing the command code “2016” in the first bus cycle and the
confirmation command code “D016” in the second bus cycle that
follows to the block address of a flash memory block, the system
initiates a block erase (erase and erase verify) operation.
Whether the block erase operation is completed can be confirmed
____
by reading the status register or the RY/BY status flag. At the same
time the block erase operation starts, the read status register mode
is automatically entered, so the content of the status register can be
read out. The status register bit 7 (SR7) is set to “0” at the same time
the block erase operation starts and is returned to “1” upon comple-
tion of the block erase operation. In this case, the read status regis-
ter mode remains active until the read array command (FF16) is writ-
ten.
____
The RY/BY status flag is “0” during block erase operation and “1”
when the block erase operation is completed as is the status register
bit 7.
After the block erase operation is completed, the status register can
be read out to know the result of the block erase operation. For de-
tails, refer to the section where the status register is detailed.
Write 2016
D016
Block address
Erase completed
NO
YES
Start
Write
SR5=0?
Erase error
YES
NO
SR7=1?
or
RY/BY=1?
Status register
read
Fig. 80 Erase flowchart
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| M38869MCA-XXXHP | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80 |
| M38869MFA-XXXGP | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80 |
| M38869MCA-XXXGP | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80 |
| M38869M8A-XXXGP | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38858MD-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38858ME-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38858MF-XXXHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38859F1-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38859F2-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
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