參數(shù)資料
型號: MB91V280CR
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 32 MHz, RISC MICROCONTROLLER, CPGA401
封裝: CERAMIC, PGA-401
文件頁數(shù): 72/85頁
文件大小: 1090K
代理商: MB91V280CR
MB91270/280 Series
74
Reset input
(TA : Recommended Operating Conditions, VCC
= 5.0 V ± 10%, VSS = AVSS = 0.0 V)
The following reset input standard should be satisfied as RAM data protection standard.
tCP : Period of the internal base clock.
To protect RAM data, input INITX of 256 tCP or more before voltage drop at VCC
= 3.5 V or less.
Parameter
Symbol
Pin name
Condi-
tions
Value
Unit
Remarks
Min
Max
INITX input time
tINTL
INITX
10
s
300
sAt STOP
8
ms
At power-on
VCC (V)
Voltage drop time
Extarnal reset input standard (INITX)
Min
Max
Min
Max
At drop of 4.0
≥ 3.5 V
256 tCP
300
s
INITX
0.2 VCC
tINTL
INITX
VCC
4 V
3.5 V
256 tCP
300
s or more
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