ATmega8 Atmel Corporation, ATmega8 Datasheet - Page 22

• 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

Changes from Rev.
2486J-02/03 to
Rev. 2486K-08/03
Changes from Rev.
2486I-12/02 to Rev.
2486J-02/03
2486ZS–AVR–02/11
1. Updated V
2. Updated
3. Updated
4. Updated
1. Improved the description of
2. Removed reference to the “Multipurpose Oscillator” application note and the “32 kHz
3. Corrected OCn waveforms in
4. Various minor Timer 1 corrections.
5. Various minor TWI corrections.
6. Added note under
7. Removed ADHSM completely.
8. Added section
9. Removed XTAL1 and XTAL2 description on
10. Improved the table under
11. Corrected PC6 in
12. Corrected PB6 and PB7 in
13. Corrected 230.4 Mbps to 230.4 kbps under
14. Added information about PWM symmetry for Timer 2 in
15. Added thick lines around accessible registers in
16. Changed “will be ignored” to “must be written to zero” for unused Z-pointer bits
17. Added note for RSTDISBL Fuse in
18. Updated drawings in
Crystal Oscillator” application note, which do not exist.
writing to the EEPROM during an SPM Page load.
described as part of
table under
153.
on page
under
“Performing a Page Write” on page
111.
“ADC Characteristics” on page
“ATmega8 Typical Characteristics” on page
“Errata” on page
BOT
“SPI Serial Programming Characteristics” on page
values in
“EEPROM Write during Power-down Sleep Mode” on page
“Alternate Functions of Port C” on page
“Filling the Temporary Buffer (Page Loading)” on page 209
“Port B (PB7..PB0) XTAL1/XTAL2/TOSC1/TOSC2” on page
“Packaging Information” on page
Table 15 on page
“SPI Timing Characteristics” on page 239
289.
“Alternate Functions of Port B” on page
“Asynchronous Timer Clock – clk
Figure 38 on page
Table 87 on page
241.
38.
209.
“Examples of Baud Rate Setting” on page
page 5
89.
Figure 76 on page
216.
242.
286.
because they were already
“Phase Correct PWM Mode”
61.
ASY
234.
ATmega8(L)
” on page
58.
163.
and removed the
23.
26.
5.
about
22