參數(shù)資料
型號(hào): IS89LV51
英文描述: CMOS Single Chip Low Voltage 8-Bit Microcontroller
中文描述: CMOS單芯片低電壓8位微控制器
文件頁(yè)數(shù): 40/48頁(yè)
文件大?。?/td> 776K
代理商: IS89LV51
IS89LV51
40
1-800-379-4774 — Integrated Silicon Solution, Inc.
ADVANCE INFORMATION
MC020-0A
10/27/98
ISSI
Figure 27. Flash Memory Erase Timing Waveform
Note:
1. The power off and power on waveform can be used in programming or erasing.
P2.3-P2.0
P1.7-P1.0
P2.6, P2.7
P3.6, P3.7
t
AVQV
t
GHAX
t
GHDX
t
GHSL
t
AVGL
t
DVGL
t
SHGL
t
EHSH
t
GLGH
25 PULSE
(1)
t
GHGL
t
ELQV
t
ELQZ
V
PPH
V
PPL
0V
ADDRESS
ADDRESS
DATA
OUT
DATA
IN
VERIFY COND.
(2)
P0.7-P0.0
EA/VPP
ALE/PROG
PROGRAMMING COND.
DON'T
CARE
CARE
P2.3-P2.0
P1.7-P1.0
Vcc
P2.6, P2.7
P3.6, P3.7
t
AVQV
t
PLPH
t
ELPL
t
PHEH
V
PPL
0V
0V
0V
0V
0V
0V
t
SHGL
t
GHSL
t
EHSH
t
EHVH
t
ELQV
t
EHQZ
V
PPH
0V
ADDRESS
DATA
OUT
VERIFY COND.
ERASE COND.
P0.7-P0.0
EA/VPP
ALE/PROG
DON'T
CARE
DON'T
CARE
t
GLGHE
Figure 26. Flash Memory Programming and Verification Timing Waveform
Notes:
1. One pulse for the main code array, 25 pulses for the encryption array and lock bits.
2. This verify condition is using at main code verification.
3. Power off waveform not shown.
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