ATMEGA32A-MUR Atmel, ATMEGA32A-MUR Datasheet - Page 347
![MCU AVR 32KB FLASH 16MHZ 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA32A-MUR
Manufacturer Part Number
ATMEGA32A-MUR
Description
MCU AVR 32KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA32A-MU.pdf
(353 pages)
Specifications of ATMEGA32A-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
32
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K 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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8155C–AVR–02/11
9
10 System Control and Reset .................................................................... 38
11 Interrupts ................................................................................................ 45
12 I/O Ports .................................................................................................. 50
13 External Interrupts ................................................................................. 69
14 8-bit Timer/Counter0 with PWM ............................................................ 73
Power Management and Sleep Modes ................................................. 33
8.9
8.10
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
10.1
10.2
10.3
10.4
10.5
11.1
11.2
12.1
12.2
12.3
12.4
13.1
14.1
14.2
14.3
14.4
14.5
Timer/Counter Oscillator ..................................................................................31
Register Description ........................................................................................32
Sleep Modes ....................................................................................................33
Idle Mode .........................................................................................................33
ADC Noise Reduction Mode ............................................................................34
Power-down Mode ...........................................................................................34
Power-save Mode ............................................................................................34
Standby Mode .................................................................................................35
Extended Standby Mode .................................................................................35
Minimizing Power Consumption ......................................................................35
Register Description ........................................................................................37
Resetting the AVR ...........................................................................................38
Reset Sources .................................................................................................38
Internal Voltage Reference ..............................................................................41
Watchdog Timer ..............................................................................................42
Register Description ........................................................................................42
Interrupt Vectors in ATmega32A .....................................................................45
Register Description ........................................................................................48
Overview ..........................................................................................................50
Ports as General Digital I/O .............................................................................51
Alternate Port Functions ..................................................................................55
Register Description ........................................................................................66
Register Description ........................................................................................69
Features ..........................................................................................................73
Overview ..........................................................................................................73
Timer/Counter Clock Sources .........................................................................74
Counter Unit ....................................................................................................74
Output Compare Unit .......................................................................................75
ATmega32A
ii
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