AT89LP51ED2-20AU Atmel, AT89LP51ED2-20AU Datasheet - Page 227

• Manufacturer Part Number: AT89LP51ED2-20AU
• Description: 8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
• Manufacturer: Atmel

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

25.3.2
3714A–MICRO–7/11
Supply Current (External Clock)
Figure 25-3. Active Supply Current vs. Frequency
Figure 25-4. Idle Supply Current vs. Frequency
Note:
All characteristics contained in this datasheet are based on simulation and characterization of
other microcontrollers manufactured in the same process technology. These values are prelimi-
nary values representing design targets, and will be updated after characterization of actual
silicon.
20
18
16
14
12
10
8
6
4
2
0
7
6
5
4
3
2
1
0
0
0
Active Supply Current vs. Frequency
Idle Supply Current vs. Frequency
5
5
AT89LP51RD2/ED2/ID2 Preliminary
External Clock Source
External Clock Source
Frequency (MHz)
Frequency (MHz)
10
10
15
15
20
20
25
25
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
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