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參數(shù)資料
| 型號： | M37905F8CSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, SDIP-64 |
| 文件頁數(shù)： | 17/35頁 |
| 文件大?。?/td> | 491K |
| 代理商： | M37905F8CSP |
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16-BIT CMOS MICROCOMPUTER
M37905F8CFP, M37905F8CSP
MITSUBISHI MICROCOMPUTERS
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Som
e param
etric
lim
its are
subject
to change.
23
Fig. 11 Full status check flowchart and actions to be taken if an error has ocurred
AC Electrical Characteristics (VCC = 5 V ± 0.5 V, Ta = 0 to 60 °C, f(fsys) = 20 MHz (Note))
Symbol
Parameter
Limits
Unit
Min.
Typ.
Max.
VCC power source current (at read)
VCC power source current (at write)
VCC power source current (at programming)
VCC power source current (at erasing)
48
54
DC Electrical Characteristics (VCC = 5 V ± 0.5 V, Ta = 0 to 60 °C, f(fsys) = 20 MHz (Note))
Limits of VIH, VIL, VOH, VOL, IIH, and IIL for each pin are the same as those in the microcomputer mode.
Note: f(fsys) indicates the system clcok (fsys) frequency.
mA
Parameter
256-byte programming time
Block erase time
Erase all block time
Limits
Unit
Min.
Typ.
Max.
4
0.6
0.6 n
40
8
8 n
ms
s
n = Number of blocks to be erased
Icc1
Icc2
Icc3
Icc4
30
The limits of parameters other than the above are same as those in the microcomputer mode.
Note: f(fsys) indicates the system clock (fsys) frequency.
Status Register Read
SR.4 = 1
NO
Command Sequence
Error
YES
SR.5 = 0?
YES
Block Erase Error
NO
SR.4 = 0?
YES
Programming Error
NO
End
(Block erase, Programming)
and
SR.5 = 1
?
Execute the clear status register command (5016) to clear the status register.
Confirm whether the command has correctly been input or not; and then,
start the operation again.
Perform the block erase operation again.
If an error occurs even after the above operation is performed, the block cannot be used.
Perform the programming operation again.
If an error occurs even after the above operation is performed, the word cannot be used.
Note: Under the condition that any of SR.5 and SR.4 = 1 , none of the programming,
block erase, and erase all block commands can be accepted. Before execution
of these commands, execute the clear status register command (5016) in advance.
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