AT80F51-12AI ATMEL [ATMEL Corporation], AT80F51-12AI Datasheet - Page 6

• Manufacturer Part Number: AT80F51-12AI
• Description: 8-Bit Microcontroller with 4K Bytes QuickFlash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 3. Verifying the QuickFlash
QuickFlash Verification Characteristics
T
QuickFlash Verification Waveforms
3-8
A
Symbol
1/t
t
t
t
AVQV
ELQV
EHQZ
= 0°C to 70°C, V
CLCL
Parameter
Oscillator Frequency
Address to Data Valid
ENABLE Low to Data Valid
Data Float After ENABLE
CC
= 5.0
AT80F51
10%
SEE QUICK FLASH
P1.0 - P1.7
P2.0 - P2.3
(ENABLE)
MODES ABLE
3-20 MHz
VERIFICATION
PORT 0
P2.7
OOOOH/0FFFH
ALE
EA
ADDR.
T
t
A0 - A7
A8 - A11
ELQV
P1
P2.0 - P2.3
P2.6
P2.7
P3.6
P3.7
XTAL 2
XTAL1
GND
VERIFICATION
AT80F51
DATA OUT
ADDRESS
LOGIC 1
LOGIC 0
LOGIC 1
LOGIC 0
t
AVQV
PSEN
RST
ALE
V
EA
P0
CC
Min
3
0
+5V
PGM DATA
(USE 10K
PULLUPS)
t
EHQZ
V
V
IH
IH
48t
48t
48t
Max
20
CLCL
CLCL
CLCL
Units
MHz