ATMEGA48A-AU Atmel, ATMEGA48A-AU Datasheet - Page 563

IC MCU AVR 4K FLASH 32TQFP

ATMEGA48A-AU

Manufacturer Part Number
ATMEGA48A-AU
Description
IC MCU AVR 4K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA48A-AU

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
4KB (2K x 16)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
512 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-TQFP, 32-VQFP
Controller Family/series
Atmega
No. Of I/o's
23
Eeprom Memory Size
256Byte
Ram Memory Size
512Byte
Cpu Speed
20MHz
Rohs Compliant
Yes
Processor Series
ATmega
Core
AVR
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
TWI, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Number Of Timers
3
Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Operating Temperature Range
- 40 C to + 85 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA48A-AU
Manufacturer:
Atmel
Quantity:
10 000
Part Number:
ATMEGA48A-AUR
Manufacturer:
Atmel
Quantity:
10 000
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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