參數(shù)資料
型號: M34282M1-XXXGP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDSO20
封裝: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-20
文件頁數(shù): 9/70頁
文件大?。?/td> 625K
代理商: M34282M1-XXXGP
MITSUBISHI
ELECTRIC
17
MITSUBISHI MICROCOMPUTERS
4282 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
Fig. 18 Reset release timing
RESET FUNCTION
The 4282 Group has the power-on reset circuit, though it does
not have RESET pin. System reset is performed automatically
at power-on, and software starts program from address 0 in page
0.
In order to make the built-in power-on reset circuit operate
efficiently, set the voltage rising time until VDD= 0 to 2.2 V is
obtained at power-on 1ms or less.
Fig. 19 Power-on reset circuit example
f(XIN)
Internal reset signal
f(XIN) 16384 pulses
Software operation starts
(address 0 in page 0)
“H”
“L”
VDD
Internal reset signal
Power-on reset circuit
Voltage drop detection circuit
Watchdog timer output
Power-on reset circuit
output voltage
Reset state
Internal reset signal
Reset released
Power-on
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