ATmega8 Atmel Corporation, ATmega8 Datasheet - Page 21

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ATmega8

Manufacturer Part Number
ATmega8
Description
Manufacturer
Atmel Corporation
Datasheets

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

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Changes from Rev.
2486M-12/03 to
Rev. 2486N-09/04
Changes from Rev.
2486L-10/03 to
Rev. 2486M-12/03
Changes from Rev.
2486K-08/03 to
Rev. 2486L-10/03
2486ZS–AVR–02/11
4.
5. Updated descripton for bit 4 in
6. Updated
1. Added note to MLF package in
2. Updated
3. Updated
4. ADC4 and ADC5 support 10-bit accuracy. Document updated to reflect this.
5. Removed reference to “External RC Oscillator application note” from
1. Updated
1. Removed “Preliminary” and TBDs from the datasheet.
2. Renamed ICP to ICP1 in the datasheet.
3. Removed instructions CALL and JMP from the datasheet.
4. Updated t
5. Replaced text “XTAL1 and XTAL2 should be left unconnected (NC)” after
6. Updated Watchdog Timer code examples in
7. Removed bit 4, ADHSM, from
8. Added note 2 to
9. Updated item 4 in the
10. Added t
11. Updated Absolute Maximum Ratings* and DC Characteristics in
Table 89 on page 218
page
on page
Updated features in
Updated
Oscillator” on page
237
“Calibrated Internal RC Oscillator” on page
and CKOPT Fuse in
Configuration of the Watchdog Timer” on page
Table 98 on page
istics” on page
and
218.
WD_FUSE
Table 102 on page
206.
“Ordering Information” on page
“Internal Voltage Reference Characteristics” on page
“DC Characteristics” on page
“ADC Characteristics” on page
“Calibrated Internal RC Oscillator” on page
RST
in
to
235.
Table 15 on page
Figure 103 on page
233.
Table 97 on page 232
28.
“Analog-to-Digital Converter” on page
“Timer/Counter Oscillator” on page
and
“Serial Programming Algorithm” on page
Table 90 on page 218
239.
“Special Function IO Register – SFIOR” on page
“Pin Configurations” on page
“Store Program Memory Control Register – SPMCR”
38, V
208.
235.
BG
and updated Read Calibration Byte, Byte 3, in
241.
285.
in
Table 16 on page
30. Added text regarding XTAL1/XTAL2
“Timed Sequences for Changing the
45.
moved to new section
30.
32.
189.
2.
42.
42,
ATmega8(L)
231.
“Electrical Character-
Table 100 on page
“Page Size” on
“External RC
Table 9
58.
21
in

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