參數(shù)資料
型號: M34554M8-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP64
封裝: 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù): 85/137頁
文件大?。?/td> 1606K
代理商: M34554M8-XXXFP
51
4554 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
RESET FUNCTION
System reset is performed by applying “L” level to RESET pin for
1 machine cycle or more when the following condition is satisfied;
the value of supply voltage is the minimum value or more of the
recommended operating conditions.
Then when “H” level is applied to RESET pin, software starts from
address 0 in page 0.
Fig. 37 Reset release timing
Fig. 38 RESET pin input waveform and reset operation
f(XIN)
RESET
Program starts
(address 0 in page 0)
Ring oscillator (internal oscillator)
is counted 5400 to 5424 times.
Note: The number of clock cycles depends on the internal state of
the microcomputer when reset is performed.
RESET
0.3VDD
0.85VDD
(Note)
Note: Keep the value of supply voltage to the minimum value
or more of the recommended operating conditions.
Reset input
1 machine cycle or more
=
Program starts
(address 0 in page 0)
Ring oscillator (internal oscillator)
is
counted 5400 to 5424 times.
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參數(shù)描述
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