AT89S52-33AC ATMEL Corporation, AT89S52-33AC Datasheet - Page 19
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AT89S52-33AC
Manufacturer Part Number
AT89S52-33AC
Description
8-bit Microcontroller with 8K Bytes In-System Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89S52-33AC.pdf
(30 pages)
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Flash Programming and Verification Characteristics (Parallel Mode)
T
Figure 15. Flash Programming and Verification Waveforms – Parallel Mode
Symbol
V
I
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
A
PP
CC
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQV
EHQZ
GHBL
WC
PP
= 20°C to 30°C, V
CLCL
P1.0 - P1.7
P2.0 - P2.5
ALE/PROG
(RDY/BSY)
(ENABLE)
PORT 0
P3.0
P2.7
EA/V
CC
Parameter
Programming Supply Voltage
Programming Supply Current
V
Oscillator Frequency
Address Setup to PROG Low
Address Hold After PROG
Data Setup to PROG Low
Data Hold After PROG
P2.7 (ENABLE) High to V
V
V
PROG Width
Address to Data Valid
ENABLE Low to Data Valid
Data Float After ENABLE
PROG High to BUSY Low
Byte Write Cycle Time
P3.4
CC
PP
PP
= 4.5 to 5.5V
PP
Setup to PROG Low
Hold After PROG
Supply Current
t
t
SHGL
AVGL
PP
t
EHSH
V
PROGRAMMING
PP
t
DVGL
ADDRESS
DATA IN
t
GLGH
t
GHBL
t
GHDX
t
ELQV
t
GHAX
t
GHSL
LOGIC 1
LOGIC 0
BUSY
t
WC
48t
48t
48t
48t
48t
11.5
Min
VERIFICATION
0.2
10
10
3
0
CLCL
CLCL
CLCL
CLCL
CLCL
DATA OUT
ADDRESS
t
AVQV
READY
48t
48t
48t
Max
12.5
1.0
t
10
30
33
50
EHQZ
1
CLCL
CLCL
CLCL
Units
MHz
mA
mA
µs
µs
µs
µs
µs
V
19