參數(shù)資料
型號: M34552M8H-XXXFP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP48
封裝: 7 X 10 MM, 0.65 MM PITCH, PLASTIC, QFP-48
文件頁數(shù): 89/143頁
文件大?。?/td> 0K
代理商: M34552M8H-XXXFP
Rev.3.02
Dec 22, 2006
page 48 of 142
REJ03B0023-0302
4552 Group
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
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)
On-chip oscillator (internal oscillator)
is
counted 1376 times.
f(RING)
RESET
Program starts
(address 0 in page 0)
On-chip oscillator (internal oscillator)
is counted 1376 times.
Note: The number of clock cycles depends on the internal state of
the microcomputer when reset is performed.
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