ATmega8 Atmel Corporation, ATmega8 Datasheet - Page 193

• Manufacturer Part Number: ATmega8
• Manufacturer: Atmel Corporation

Specifications of ATmega8

• 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
• Output Compare Channels: 3
• Input Capture Channels: 1
• Pwm Channels: 3
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

2486Z–AVR–02/11
Figure 94. ADC Timing Diagram, Free Running Conversion
Table 73. ADC Conversion Time
Condition
Extended conversion
Normal conversions, single ended
Cycle Number
ADC Clock
ADSC
ADIF
ADCH
ADCL
Conversion
Complete
One Conversion
from Start of Conversion)
11
Sample & Hold (Cycles
12
13
13.5
1.5
Next Conversion
1
MSB of Result
LSB of Result
2
MUX and REFS
Update
3
Sample &Hold
4
Conversion Time
(Cycles)
ATmega8(L)
25
13
193