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參數(shù)資料
| 型號： | M37224M3 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 8 Bits Microcomputer(8位單片機) |
| 中文描述： | 單芯片8位單片機（8位單片機） |
| 文件頁數(shù)： | 51/83頁 |
| 文件大?。?/td> | 901K |
| 代理商： | M37224M3 |
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M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
51
low-order address. The internal state of microcomputer at reset are
shown in Figures 5 to 8.
An example of the reset circuit is shown in Figure 53.
The reset input voltage must be kept 0.6 V or less until the power
source voltage surpasses 4.5 V.
Fig. 53. Reset Sequence
Fig. 54. Example of Reset Circuit
RESET CIRCUIT
When the oscillation of a quartz-crystal oscillator or a ceramic reso-
RESET pin at LOW for 2 μs or more, then return it to HIGH. Then, as
shown in Figure 53, reset is released and the program starts from
the address formed by using the content of address FFFF
16
as the
high-order address and the content of the address FFFE
16
as the
Power source voltage 0 V
Reset input voltage 0 V
4.5 V
0.6 V
Poweron
21
25
22
Vcc
RESET
Vss
M37224M3-XXXSP
1
5
4
3
0.1
μ
F
M51953AL
X
IN
RESET
Internal RESET
SYNC
Address
Data
32768 count of X
IN
clock cycle (Note 3)
Reset address from the vector table
01, S
01, S-1 01, S-2
FFFE
FFFF
H
,
AD
L
AD
L
AD
H
Notes 1
:
:
f(X
IN
) and f(
) are in the relation : f(X
IN
) = 2·f ( ).
A question mark () indicates an undefined state that
depends on the previous state.
Immediately after a reset, timer 3 and timer 4 are
connected by hardware. At this time, “FF
16
” is set
in timer 3 and “07
” is set to timer 4. Timer 3 counts down
overflow signal.
with f(X
IN
)/16, and reset state is released by the timer 4
3
:
2
16
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37224M3-050SP | 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 |
| M37224M3-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225ECSP | 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 |
| M37225M6 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
| M37225M8 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER |
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