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AT80F52 Datasheet(PDF) 13 Page - ATMEL Corporation

Part # AT80F52
Description  8-Bit Microcontroller with 8K Bytes QuickFlash Memory
PDF  19 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT80F52 Datasheet(HTML) 13 Page - ATMEL Corporation

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AT80F52
3-27
Figure 9. Verifying the QuickFlash Memory
QuickFlash Verification Characteristics
TA = 0°C to 70°C, VCC = 5.0 ± 10%
QuickFlash Verification Waveforms
P1
P2.6
P3.6
P2.0 - P2.4
A0 - A7
ADDR.
OOOOH/1FFFH
SEE QUICK FLASH
VERIFICATION
MODES TABLE
3-20 MHz
A8 - A12
P0
+5V
P2.7
PGM DATA
(USE 10K
PULLUPS)
V
IH
V
IH
ALE
P3.7
XTAL 2
EA
RST
PSEN
XTAL1
GND
V
CC
AT80F52
Symbol
Parameter
Min
Max
Units
1/tCLCL
Oscillator Frequency
3
20
MHz
tAVQV
Address to Data Valid
48tCLCL
tELQV
ENABLE Low to Data Valid
48tCLCL
tEHQZ
Data Float After ENABLE
0
48tCLCL
tAVQV
tELQV
tEHQZ
P1.0 - P1.7
P2.0 - P2.4
ALE
EA
LOGIC 1
LOGIC 1
LOGIC 0
LOGIC 0
PORT 0
P2.7
(ENABLE)
VERIFICATION
ADDRESS
DATA OUT



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