參數(shù)資料
型號: 89LV55
廠商: Atmel Corp.
英文描述: 8-Bit Microcontroller with 20K Bytes Flash
中文描述: 8位閃存微控制器20,000字節(jié)
文件頁數(shù): 16/23頁
文件大?。?/td> 595K
代理商: 89LV55
AT89LV55
4-208
Flash Programming and Verification Characteristics
T
A
= 0°C to 70°C, V
CC
= 5.0V
±
10%
Flash Programming and Verification Waveforms (V
PP
= 12V)
Symbol
Parameter
Min
Max
Units
V
PP
Programming Enable Voltage
11.5
12.5
V
I
PP
Programming Enable Current
1.0
mA
1/t
CLCL
Oscillator Frequency
3
12
MHz
t
AVGL
Address Setup to PROG Low
48t
CLCL
t
GHAX
Address Hold After PROG
48t
CLCL
t
DVGL
Data Setup to PROG Low
48t
CLCL
t
GHDX
Data Hold After PROG
48t
CLCL
t
EHSH
P2.7 (ENABLE) High to V
PP
48t
CLCL
t
SHGL
V
PP
Setup to PROG Low
10
μ
s
t
GHSL
V
PP
Hold After PROG
10
μ
s
t
GLGH
PROG Width
1
110
μ
s
t
AVQV
Address to Data Valid
48t
CLCL
t
ELQV
ENABLE Low to Data Valid
48t
CLCL
t
EHQZ
Data Float After ENABLE
0
48t
CLCL
t
GHBL
PROG High to BUSY Low
1.0
μ
s
t
WC
Byte Write Cycle Time
2.0
ms
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