AT89S2051 Atmel Corporation, AT89S2051 Datasheet - Page 39
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AT89S2051
Manufacturer Part Number
AT89S2051
Description
Manufacturer
Atmel Corporation
Specifications of AT89S2051
Flash (kbytes)
2 Kbytes
Max. Operating Frequency
24 MHz
Cpu
8051-12C
Max I/o Pins
15
Uart
1
Sram (kbytes)
0.25
Operating Voltage (vcc)
2.7 to 5.5
Timers
2
Isp
SPI
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89S2051-24PI
Manufacturer:
ATMEL
Quantity:
918
Company:
Part Number:
AT89S2051-24PU
Manufacturer:
ATMEL
Quantity:
2 300
Part Number:
AT89S2051-24PU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT89S2051-24SU
Manufacturer:
MICROCHIP
Quantity:
3 420
Part Number:
AT89S2051-24SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
48. I
49. I
50. Clock Signal Waveform for I
51. I
3390E–MICRO–6/08
t
V
CC
CC
CC
CLCH
CC
Test Condition, Active Mode, All Other Pins are Disconnected
Test Condition, Idle Mode, All Other Pins are Disconnected
Test Condition, Power-down Mode, All Other Pins are Disconnected,
= 2V to 5.5V
= t
CHCL
= 5 ns
0.45V
V
CC
- 0.5V
0.2 V
CLOCK SIGNAL
CLOCK SIGNAL
0.7 V
CC
t
(NC)
CHCL
- 0.1V
CC
CC
(NC)
(NC)
Tests in Active and Idle Modes,
RST
XTAL2
XTAL1
VSS
RST
XTAL2
XTAL1
V
RST
XTAL2
XTAL1
V
SS
SS
t
CHCX
P1, P3
V
P1, P3
CC
P1, P3
V
V
CC
CC
I
CC
t
V
V
CLCL
CC
CC
I
CC
I
V
V
CC
t
CC
V
CC
V
CLCH
CC
t
CC
CHCX
AT89S2051/S4051
39