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零件编号
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AT80F52-16PC 查看數據表(PDF) - Atmel Corporation
零件编号
产品描述 (功能)
生产厂家
AT80F52-16PC
8-Bit Microcontroller with 8K Bytes QuickFlash™ Memory
Atmel Corporation
AT80F52-16PC Datasheet PDF : 19 Pages
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AT80F52
Figure 9.
Verifying the QuickFlash Memory
AT80F52
ADDR.
A0 - A7
P1
V
CC
OOOOH/1FFFH
P2.0 - P2.4 P0
A8 - A12
P2.6
SEE QUICK FLASH
VERIFICATION
MODES TABLE
P2.7
ALE
P3.6
P3.7
XTAL 2
EA
+5V
PGM DATA
(USE 10K
PULLUPS)
V
IH
3-20 MHz
XTAL1
RST
V
IH
GND
PSEN
QuickFlash Verification Characteristics
T
A
= 0°C to 70°C, V
CC
= 5.0
±
10%
Symbol
Parameter
Min
1/t
CLCL
Oscillator Frequency
3
t
AVQV
Address to Data Valid
t
ELQV
ENABLE Low to Data Valid
t
EHQZ
Data Float After ENABLE
0
QuickFlash Verification Waveforms
P1.0 - P1.7
P2.0 - P2.4
PORT 0
VERIFICATION
ADDRESS
t
AVQV
DATA OUT
ALE
LOGIC 1
LOGIC 0
Max
20
48t
CLCL
48t
CLCL
48t
CLCL
EA
P2.7
(ENABLE)
t
ELQV
LOGIC 1
LOGIC 0
t
EHQZ
Units
MHz
3-27
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