AT89LP51ED2-20AAU Atmel, AT89LP51ED2-20AAU Datasheet - Page 239
AT89LP51ED2-20AAU
Manufacturer Part Number
AT89LP51ED2-20AAU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20AAU
Rohs
yes
Core
8051
Processor Series
AT89x
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
64 KB
Data Ram Size
256 B
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-44
Mounting Style
SMD/SMT
Data Rom Size
4 KB
Interface Type
2-Wire, SPI, UART
Number Of Programmable I/os
36
Number Of Timers
3
Program Memory Type
Flash
Factory Pack Quantity
160
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25.12.4
25.12.5
25.12.6
3714A–MICRO–7/11
I
Clock Signal Waveform for I
I
CC
CC
Test Condition: Idle Mode
Test Condition: Power-down Mode
Figure 25-18. Connection Diagram for I
Figure 25-19. Clock Signal Waveform for I
Figure 25-20. Connection Diagram for I
0.45V
CC
All Other Pins are Disconnected
V
connected, V
CC
Tests
- 0.5V
0.2 V
DD
AT89LP51RD2/ED2/ID2 Preliminary
0.7 V
CLOCK SIGNAL
CC
= 2V to 5.5V
t
GND
(NC)
CHCL
- 0.1V
CC
V
GND
(NC)
DD
CC
CC
V
DD
RST
POL
XTAL2
XTAL1
GND
Idle Measurement. All Other Pins are Disconnected-
CC
Power-down Measurement.All Other Pins are Dis-
in Active and Idle Modes, t
RST
POL
X T AL 2
X T AL 1
GND
t
CHCX
V
DD
V
DD
I
CC
t
CLCL
V
I
CC
DD
V
DD
t
CLCH
t
CHCX
CLCH
= t
CHCL
= 5 ns
239
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