參數(shù)資料
型號: MB89567CPF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 12.5 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 26/52頁
文件大?。?/td> 1124K
代理商: MB89567CPF
32
MB89560 Series
4. AC Characteristics
(1) Reset Timing
(VCC = 3.0V, AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
* : tHCYL is the oscillation cycle (1/FC) to input to the X0 pin.
(2) Power-on Reset
(AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
Note: Make sure that power supply rises within the selected oscillation stabilization time.
For example, when the main clock is operating at 10 MHz (FCH) and the oscillation stabilization time select
option has been set to 218/FCH, the oscillation stabilization delay time is 26.2 ms. Therefore, the maximum
value of power supply rising time is about 26.2 ms.
Rapid changes in power supply voltage may cause a power-on reset. If power supply voltage needs to be
varied in the course of operation, a smooth voltage rise is recommended.
Parameter
Symbol
Condition
Value
Unit
Remarks
Min.
Max.
RST “L” pulse width
tZLZH
—48 tHCYL*
—ns
Parameter
Symbol
Condition
Value
Unit
Remarks
Min.
Max.
Power supply rising time
tR
0.5
50
ms
Power supply cut-off time
tOFF
1
ms
Due to repeated operations
tZLZH
0.2 VCC
RST
0.2 V
2.2 V
0.2 V
tR
VCC
tOFF
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