AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 226
AT89LP51ED2-20AU
Manufacturer Part Number
AT89LP51ED2-20AU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20AU
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
TQFP-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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25.3
25.3.1
226
Typical Characteristics
AT89LP51RD2/ED2/ID2 Preliminary
Supply Current (Internal Oscillator)
The following charts show typical behavior. These figures are not tested during manufacturing.
All current consumption measurements are performed with all I/O pins configured as quasi-bidi-
rectional (with internal pull-ups). A square wave generator with rail-to-rail output is used as an
external clock source for consumption versus frequency measurements.
Figure 25-1. Active Supply Current vs. Vcc (8.0 MHz Internal Oscillator)
Figure 25-2. Idle Supply Current vs. Vcc (8.0 MHz Internal Oscillator)
2.00
1.75
1.50
1.25
1.00
6.5
6.0
5.5
5.0
4.5
4.0
3.5
2.4
2.4
Active Supply Current vs. Vcc
2.7
2.7
Idle Supply Current vs. Vcc
8MHz Internal Oscillator
8MHz Internal Oscillator
Vcc (V)
Vcc (V)
3.0
3.0
3.3
3.3
3.6
3.6
3714A–MICRO–7/11
85C
-40C
25C
85C
-40C
25C
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