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參數(shù)資料
| 型號： | M37207MF-XXXSP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDIP64 |
| 封裝： | 0.750 INCH, 1.78 MM PITCH, PLASTIC, DIP-64 |
| 文件頁數(shù)： | 95/121頁 |
| 文件大?。?/td> | 1907K |
| 代理商： | M37207MF-XXXSP |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
75
Power source voltage 0 V
Reset input voltage 0 V
4.5 V
0.6 V
Poweron
Vcc
RESET
Vss
Microcomputer
1
5
4
3
0.1
F
M51953AL
RESET CIRCUIT
When the oscillation of a quartz-crystal oscillator or a ceramic reso-
nator is stable and the power source voltage is 5 V ± 10 %, hold the
______
RESET pin at LOW for 2 s or more, then return is to HIGH. Then, as
shown in Figure 75, reset is released and the program starts from
the address formed by using the content of address FFFF16 as the
high-order address and the content of the address FFFE16 as the
low-order address. The internal state of microcomputer at reset are
shown in Figure 75.
An example of the reset circuit is shown in Figure 74.
The reset input voltage must be kept 0.6 V or less until the power
source voltage surpasses 4.5 V.
Fig. 74. Example of Reset Circuit
Fig. 75. Reset Sequence
XIN
φ
RESET
Internal RESET
SYNC
Address
Data
32768 count of XIN
clock cycle (Note 3)
Reset address from the vector table
?
01, S
01, S-1 01, S-2
FFFE
FFFF
ADH,
ADL
?
ADL
ADH
Notes 1 :
:
f(XIN) and f(
φ) are in the relation : f(XIN) = 2f (φ).
2
A question mark (?) indicates an undefined state that
depends on the previous state.
3
Immediately after a reset, timer 3 and timer 4 are
connected by hardware. At this time, “FF16” is set
in timer 3 and “0716” is set to timer 4. Timer 3 counts down
with f(XIN)/16, and reset state is released by the timer 4
overflow signal.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| M37210M3-XXXFP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PQFP64 |
| M37210E4-XXXSP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37210E4FP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PQFP64 |
| M37210M3-XXXSP | 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
| M37210E4SP | 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDIP52 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M3720-8 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M3720-9 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1 KEY 1 SOUND |
| M37210E4 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37210E4-801FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37210E4FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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