ATmega8A Atmel Corporation, ATmega8A Datasheet - Page 275

• Manufacturer Part Number: ATmega8A
• Manufacturer: Atmel Corporation

Specifications of ATmega8A

• Flash (kbytes): 8 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 2
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Pwm Channels: 3
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

26.9
8159D–AVR–02/11
Bod Thresholds and Analog Comparator Offset
Figure 26-46. BOD Thresholds vs. Temperature (BOD Level is 4.0V)
Figure 26-47. BOD Thresholds vs. Temperature (BOD Level is 2.7v)
3.95
3.85
3.75
2.75
2.65
2.55
3.9
3.8
3.7
2.8
2.7
2.6
2.5
-40
-40
-30
-30
-20
-20
-10
-10
0
0
10
10
Temperature ( °C )
Temperature ( °C )
Rising Vcc
Rising Vcc
Falling Vcc
20
20
Falling Vcc
30
30
40
40
50
50
60
60
70
70
ATmega8A
80
80
90
90
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