Jameco Atmel AT89C2051 Handmatig - Pagina 9
Blader online of download pdf Handmatig voor {categorie_naam} Jameco Atmel AT89C2051. Jameco Atmel AT89C2051 15 pagina's. 8-bit microcontroller with 2k bytes flash
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Flash Programming and Verification Characteristics
= 5.0 ± 10%
T
= 0°C to 70°C, V
A
CC
Symbol
Parameter
V
Programming Enable Voltage
PP
I
Programming Enable Current
PP
t
Data Setup to PROG Low
DVGL
t
Data Hold After PROG
GHDX
t
P3.4 (ENABLE) High to V
EHSH
t
V
SHGL
PP
t
V
GHSL
PP
t
PROG Width
GLGH
t
ENABLE Low to Data Valid
ELQV
t
Data Float After ENABLE
EHQZ
t
PROG High to BUSY Low
GHBL
t
Byte Write Cycle Time
WC
t
RDY/BSY\ to Increment Clock Delay
BHIH
t
Increment Clock High
IHIL
Note:
1. Only used in 12-volt programming mode.
Flash Programming and Verification Waveforms
AT89C2051
4-22
PP
Setup to PROG Low
Hold After PROG
Min
Max
Units
11.5
12.5
250
1.0
1.0
1.0
10
10
1
110
1.0
0
1.0
50
2.0
ms
1.0
200
V
µA
µs
µs
µs
µs
µs
µs
µs
µs
ns
µs
ns