AT89LP52 Atmel Corporation, AT89LP52 Datasheet - Page 97

• Manufacturer Part Number: AT89LP52
• Manufacturer: Atmel Corporation

Specifications of AT89LP52

• Flash (kbytes): 8 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

18.3.3
3709D–MICRO–12/11
Quasi-Bidirectional Input
Figure 18-5. Quasi-bidirectional Input Transition Current at 5V
Figure 18-6. Quasi-bidirectional Input Transition Current at 3V
-120
-150
-30
-60
-90
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0.0
0.0
0.5
0.5
1.0
1.5
1.0
2.0
V
V
IL
IL
2.5
1.5
(V)
(V)
3.0
2.0
3.5
4.0
2.5
4.5
AT89LP51/52
5.0
3.0
85C
-40C
25C
85C
-40C
25C
97