ATMEGA328-MUR Atmel, ATMEGA328-MUR Datasheet - Page 563
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ATMEGA328-MUR
Manufacturer Part Number
ATMEGA328-MUR
Description
IC MCU AVR 32K FLASH 32QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA328-MUR
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8271C–AVR–08/10
25 Self-Programming the Flash, ATmega 48A/48PA ............................. 270
26 Boot Loader Support – Read-While-Write Self-Programming ......... 279
27 Memory Programming ......................................................................... 296
28 Electrical Characteristics .................................................................... 316
29 Typical Characteristics ........................................................................ 331
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
25.1Overview .............................................................................................................270
25.2Addressing the Flash During Self-Programming .................................................271
25.3Register Description ............................................................................................277
26.1Features ..............................................................................................................279
26.2Overview .............................................................................................................279
26.3Application and Boot Loader Flash Sections .......................................................279
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................280
26.5Boot Loader Lock Bits .........................................................................................282
26.6Entering the Boot Loader Program ......................................................................283
26.7Addressing the Flash During Self-Programming .................................................284
26.8Self-Programming the Flash ................................................................................284
26.9Register Description ............................................................................................294
27.1Program And Data Memory Lock Bits .................................................................296
27.2Fuse Bits .............................................................................................................297
27.3Signature Bytes ...................................................................................................300
27.4Calibration Byte ...................................................................................................301
27.5Page Size ............................................................................................................301
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................302
27.7Parallel Programming ..........................................................................................304
27.8Serial Downloading .............................................................................................311
28.1Absolute Maximum Ratings* ...............................................................................316
28.2DC Characteristics ..............................................................................................316
28.3Speed Grades .....................................................................................................321
28.4Clock Characteristics ...........................................................................................322
28.5System and Reset Characteristics ......................................................................323
28.6SPI Timing Characteristics ..................................................................................324
28.7Two-wire Serial Interface Characteristics ............................................................326
28.8ADC Characteristics ............................................................................................328
28.9Parallel Programming Characteristics .................................................................329
29.1ATmega48A Typical Characteristics ...................................................................332
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