AT89LP51ED2 Atmel Corporation, AT89LP51ED2 Datasheet - Page 227

• Manufacturer Part Number: AT89LP51ED2
• Manufacturer: Atmel Corporation

Specifications of AT89LP51ED2

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 42
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 7
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 2.25
• Eeprom (bytes): 4096
• Self Program Memory: API
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 4
• Isp: SPI/OCD/UART
• Watchdog: Yes

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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