AT89LP6440 Atmel Corporation, AT89LP6440 Datasheet - Page 174

• Manufacturer Part Number: AT89LP6440
• Manufacturer: Atmel Corporation

Specifications of AT89LP6440

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 38
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 4.25
• Eeprom (bytes): 8192
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 3.6
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

26.4.3
26.4.4
174
AT89LP3240/6440
Quasi-Bidirectional Input
Quasi-Bidirectional Output
Figure 26-7. Quasi-bidirectional Input Transition Current at 3.3V
Figure 26-8. Quasi-Bidirectional Output I-V Source Characteristic at 3V
-100
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0.0
0.0
0.4
0.5
0.8
1.0
1.2
V
V
OH
IL
1.5
1.6
(V)
(V)
2.0
2.0
2.4
2.5
2.8
3.0
3.2
3706C–MICRO–2/11
85C
-40C
25C
85C
-40C
25C