參數(shù)資料
型號(hào)： M37532E8FP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 6 MHz, MICROCONTROLLER, PDSO36
封裝： 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36
文件頁(yè)數(shù)： 27/50頁(yè)
文件大?。?/td> 525K
代理商： M37532E8FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7532 Group
MITSUBISHI MICROCOMPUTERS
33
Reset Circuit
______
The microcomputer is put into a reset status by holding the RESET
pin at the “L” level for 15
s or more when the power source voltage
is 4.1 to 5.5 V and XIN is in stable oscillation.
______
After that, this reset status is released by returning the RESET pin to
the “H” level. The program starts from the address having the con-
tents of address FFFD16 as high-order address and the contents of
address FFFC16 as low-order address.
Note that the reset input voltage should be 0.82 V or less when the
power source voltage passes 4.1 V.
Fig. 39 Example of reset circuit
Fig. 40 Timing diagram at reset
(Note)
0.2 VCC
0 V
Poweron
VCC
RESET
VCC
RESET
Power source
voltage
detection circuit
Power source
voltage
Reset input
voltage
Note : Reset release voltage Vcc = 4.1 V
Data
Address
8-13 clock cycles
Reset address from the
vector table
1 : A built-in ring oscillator applies about 250 kHz frequency as clock f at average of Vcc = 5 V.
2 : The mark “?” means that the address is changeable depending on the previous state.
3 : These are all internal signals except RESET
Notes
φ
RESET
RESETOUT
SYNC
??
FFFC
FFFD
ADH,ADL
??
?
??
ADL
ADH
??
?
from built-in
oscillator
相關(guān)PDF資料
PDF描述
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