ATmega8A Atmel Corporation, ATmega8A Datasheet - Page 282

• 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

8159D–AVR–02/11
Figure 26-60. Calibrated 2MHz RC Oscillator Frequency vs. Osccal Value
Figure 26-61. Calibrated 1MHz RC Oscillator Frequency vs. Temperature
1.04
1.02
0.98
0.96
0.94
0.92
2.5
1.5
0.5
0.9
1
3
2
1
-40
0
16
32
-20
48
64
0
80
96
Temperature ( °C)
OSCCAL VALUE
20
112 128 144 160 176 192 208 224 240 256
40
60
80
ATmega8A
5.5 V
4.0 V
2.7 V
100
25 °C
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