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參數(shù)資料
| 型號： | M388504E6SS |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 33/51頁 |
| 文件大小： | 736K |
| 代理商： | M388504E6SS |
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33
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
RESET CIRCUIT
To reset the microcomputer, RESET pin must be held at an "L"
level for 2
μ
s or more. Then the RESET pin is returned to an "H"
level (the power source voltage must be between 2.7 V and 5.5 V,
and the oscillation must be stable), reset is released. After the re-
set is completed, the program starts from the address contained in
address FFFD
16
(high-order byte) and address FFFC
16
(low-order
byte). Make sure that the reset input voltage is less than 0.54 V for
V
CC
of 2.7 V.
Fig. 37 Reset sequence
Fig. 36 Reset circuit example
(Note)
0.2V
CC
0V
0V
Poweron
V
CC
RESET
V
CC
RESET
Power source
voltage detection
circuit
Power source
voltage
Reset input
voltage
Note
:
Reset release voltage ; Vcc=2.7 V
RESET
Data
φ
Address
SYNC
X
IN
: 8 to 13 clock cycles
X
IN
FFFC
FFFD
AD
H
,
L
AD
L
AD
H
1:
The frequency relation of f(X
IN
) and f(
φ
) is f(X
IN
) = 2
f(
φ
).
2:
The question marks () indicate an undefined state that depends on the previous state.
3:
All signals except X
IN
and
RESET
are internals.
Reset address from the vector table.
Notes
RESET
OUT
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| M38850F1-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38850F2-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38850F3-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38850F4-HP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M38850F5-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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