ATMEGA8A-MUR Atmel, ATMEGA8A-MUR Datasheet - Page 303
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ATMEGA8A-MUR
Manufacturer Part Number
ATMEGA8A-MUR
Description
MCU AVR 8KB FLASH 16MHZ 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8A-MU.pdf
(308 pages)
Specifications of ATMEGA8A-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8159D–AVR–02/11
9
10 System Control and Reset .................................................................... 37
11 Interrupts ................................................................................................ 45
12 I/O Ports .................................................................................................. 50
13 External Interrupts ................................................................................. 67
14 8-bit Timer/Counter0 .............................................................................. 70
Power Management and Sleep Modes ................................................. 32
8.9
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
10.1
10.2
10.3
10.4
10.5
10.6
11.1
11.2
12.1
12.2
12.3
12.4
13.1
14.1
14.2
14.3
14.4
14.5
14.6
Register Description ........................................................................................31
Sleep Modes ....................................................................................................32
Idle Mode .........................................................................................................33
ADC Noise Reduction Mode ............................................................................33
Power-down Mode ...........................................................................................33
Power-save Mode ............................................................................................33
Standby Mode .................................................................................................34
Minimizing Power Consumption ......................................................................34
Register Description ........................................................................................36
Resetting the AVR ...........................................................................................37
Reset Sources .................................................................................................37
Internal Voltage Reference ..............................................................................40
Watchdog Timer ..............................................................................................41
Timed Sequences for Changing the Configuration of the Watchdog Timer ....42
Register Description ........................................................................................43
Interrupt Vectors in ATmega8A .......................................................................45
Register Description ........................................................................................48
Overview ..........................................................................................................50
Ports as General Digital I/O .............................................................................51
Alternate Port Functions ..................................................................................55
Register Description ........................................................................................65
Register Description ........................................................................................67
Features ..........................................................................................................70
Overview ..........................................................................................................70
Timer/Counter Clock Sources .........................................................................71
Counter Unit ....................................................................................................71
Operation .........................................................................................................71
Timer/Counter Timing Diagrams .....................................................................72
ATmega8A
ii
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