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參數(shù)資料
| 型號： | M34570EDFP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片4位微機的CMOS |
| 文件頁數(shù)： | 58/68頁 |
| 文件大?。?/td> | 319K |
| 代理商： | M34570EDFP |
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66
MITSUBISHI MICROCOMPUTERS
4570 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Fig. 36 PROM memory map
Fig. 37 Flow of writing and test of the product shipped in
blank
(1) PROM mode
The built-in PROM version has a PROM mode in addition to
a normal operation mode. The PROM mode is used to write
to and read from the built-in PROM.
In the PROM mode, the programming adapter can be used
with a general-purpose PROM programmer to write to or read
from the built-in PROM as if it were M5M27C256K.
Programming adapter is listed in Table 17. Contact addresses
at the end of this book for the appropriate PROM programmer.
Writing and reading of built-in PROM
Programming voltage is 12.5 V. Write the program in the
PROM of the built-in PROM version as shown in Figure
36.
(2) Notes on handling
A high-voltage is used for writing. Take care that
overvoltage is not applied. Take care especially at turning
on the power.
For the One Time PROM version Mitsubishi Electric corp.
does not perform PROM writing test and screening in the
assembly process and following processes. In order to
improve reliability after writing, performing writing and test
according to the flow shown in Figure 37 before using is
recommended.
Table 17 Programming adapter
Microcomputer
M34570E8FP, M34570EDFP
Programming adapter
PCA7425
Writing with PROM programmer
Screening (Leave at 150 °C for 40 hours) (Note)
Verify test with PROM programmer
Function test in target device
Since the screening temperature is higher
than storage temperature, never expose the
microcomputer to 150 °C exceeding 100
hours.
Note:
Address
0000
16
1FFF
16
4000
16
5FFF
16
7FFF
16
1
1
1
D
4
D
3
D
2
D
1
D
0
High-order 5 bits
1
1
1
D
4
D
3
D
2
D
1
D
0
Low-order 5 bits
The shaded area can be used only for M34570ED.
Set “FF
16
” to the shaded area.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M34570M4 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-081FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-202FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-214FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
| M34570M4-227FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER |
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