ATmega8 Atmel Corporation, ATmega8 Datasheet - Page 2

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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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Pin
Configurations
2486ZS–AVR–02/11
(XTAL1/TOSC1) PB6
(XTAL2/TOSC2) PB7
(XTAL1/TOSC1) PB6
(XTAL2/TOSC2) PB7
(XCK/T0) PD4
(XCK/T0) PD4
(INT1) PD3
(INT1) PD3
(XTAL1/TOSC1) PB6
(XTAL2/TOSC2) PB7
GND
GND
GND
GND
VCC
VCC
VCC
VCC
(XCK/T0) PD4
(RESET) PC6
(INT0) PD2
(INT1) PD3
(AIN0) PD6
(AIN1) PD7
(ICP1) PB0
(RXD) PD0
(TXD) PD1
(T1) PD5
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
GND
VCC
TQFP Top View
MLF Top View
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PDIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PC5 (ADC5/SCL)
PC4 (ADC4/SDA)
PC3 (ADC3)
PC2 (ADC2)
PC1 (ADC1)
PC0 (ADC0)
GND
AREF
AVCC
PB5 (SCK)
PB4 (MISO)
PB3 (MOSI/OC2)
PB2 (SS/OC1B)
PB1 (OC1A)
24
23
22
21
20
19
18
17
24
23
22
21
20
19
18
17
NOTE:
The large center pad underneath the MLF
packages is made of metal and internally
connected to GND. It should be soldered
or glued to the PCB to ensure good
mechanical stability. If the center pad is
left unconneted, the package might
loosen from the PCB.
PC1 (ADC1)
PC0 (ADC0)
ADC7
GND
AREF
ADC6
AVCC
PB5 (SCK)
PC1 (ADC1)
PC0 (ADC0)
ADC7
GND
AREF
ADC6
AVCC
PB5 (SCK)
ATmega8(L)
2

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