AT89LP51 Atmel Corporation, AT89LP51 Datasheet - Page 95

• Manufacturer Part Number: AT89LP51
• Manufacturer: Atmel Corporation

Specifications of AT89LP51

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 36
• Uart: 1
• Sram (kbytes): 0.25
• Eeprom (bytes): 256
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI
• Watchdog: Yes

18.3.2
3709D–MICRO–12/11
Supply Current (External Clock)
Figure 18-3. Active Supply Current vs. Frequency
20
18
16
14
12
10
20
18
16
14
12
10
8
6
4
2
0
8
6
4
2
0
8
7
6
5
4
3
2
1
0
0
0
0
Active Supply Current vs. Frequency
5
5
5
External Clock Source
Compatibility Mode
Frequency (MHz)
Frequency (MHz)
10
10
10
Fast Mode
MIPS
15
15
15
20
20
20
25
25
25
AT89LP51/52
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
5V Compat.
3V Compat.
5V Fast
3V Fast
5.5V
5.0V
4.5V
3.6V
3.0V
2.4V
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