AT89C55-16AA ATMEL [ATMEL Corporation], AT89C55-16AA Datasheet - Page 16
AT89C55-16AA
Manufacturer Part Number
AT89C55-16AA
Description
8-Bit Microcontroller with 20K Bytes Flash
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT89C55-16AA.pdf
(24 pages)
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Flash Programming and Verification Characteristics
T
Note:
4-184
A
Symbol
V
I
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
AVGL
GHAX
DVGL
GHDX
EHSH
SHGL
GHSL
GLGH
AVQV
ELQV
EHQZ
GHBL
WC
PP
= 0°C to 70°C, V
CLCL
(1)
(1)
(1)
1. Only used in 12-volt programming mode.
Parameter
Programming Enable Voltage
Programming Enable Current
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
PP
PP
CC
Setup to PROG Low
Hold After PROG
= 5.0V
AT89C55
10%
PP
48t
48t
48t
48t
48t
11.5
Min
10
10
CLCL
CLCL
CLCL
CLCL
CLCL
3
1
0
48t
48t
48t
Max
12.5
110
1.0
1.0
2.0
33
CLCL
CLCL
CLCL
Units
MHz
mA
ms
V
s
s
s
s
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