ATMEGA8A-MUR Atmel, ATMEGA8A-MUR Datasheet - Page 304
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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
15 Timer/Counter0 and Timer/Counter1 Prescalers ................................ 75
16 16-bit Timer/Counter1 ............................................................................ 78
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 106
18 Serial Peripheral Interface – SPI ......................................................... 126
14.7
15.1
15.2
15.3
15.4
15.5
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
17.10
17.11
18.1
18.2
18.3
Register Description ........................................................................................73
Overview ..........................................................................................................75
Internal Clock Source ......................................................................................75
Prescaler Reset ...............................................................................................75
External Clock Source .....................................................................................75
Register Description ........................................................................................77
Features ..........................................................................................................78
Overview ..........................................................................................................78
Accessing 16-bit Registers ..............................................................................81
Timer/Counter Clock Sources .........................................................................83
Counter Unit ....................................................................................................84
Input Capture Unit ...........................................................................................85
Output Compare Units .....................................................................................87
Compare Match Output Unit ............................................................................89
Modes of Operation .........................................................................................90
Timer/Counter Timing Diagrams .....................................................................97
Register Description ........................................................................................99
Features ........................................................................................................106
Overview ........................................................................................................106
Timer/Counter Clock Sources .......................................................................108
Counter Unit ..................................................................................................108
Output Compare Unit .....................................................................................109
Compare Match Output Unit ..........................................................................111
Modes of Operation .......................................................................................112
Timer/Counter Timing Diagrams ...................................................................116
Asynchronous Operation of the Timer/Counter .............................................118
Timer/Counter Prescaler ...............................................................................120
Register Description ......................................................................................121
Features ........................................................................................................126
Overview ........................................................................................................126
SS Pin Functionality ......................................................................................131
ATmega8A
iii
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