ATMEGA48A-AUR Atmel, ATMEGA48A-AUR Datasheet - Page 561
![IC MCU AVR 4K FLASH 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA48A-AUR
Manufacturer Part Number
ATMEGA48A-AUR
Description
IC MCU AVR 4K FLASH 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA48A-AUR
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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 561 of 566
- Download datasheet (23Mb)
8271C–AVR–08/10
18 SPI – Serial Peripheral Interface ......................................................... 167
19 USART0 ................................................................................................. 177
20 USART in SPI Mode ............................................................................. 205
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
17.1Features ..............................................................................................................145
17.2Overview .............................................................................................................145
17.3Timer/Counter Clock Sources .............................................................................146
17.4Counter Unit ........................................................................................................146
17.5Output Compare Unit ..........................................................................................147
17.6Compare Match Output Unit ................................................................................149
17.7Modes of Operation .............................................................................................150
17.8Timer/Counter Timing Diagrams .........................................................................154
17.9Asynchronous Operation of Timer/Counter2 .......................................................156
17.10Timer/Counter Prescaler ...................................................................................157
17.11Register Description ..........................................................................................159
18.1Features ..............................................................................................................167
18.2Overview .............................................................................................................167
18.3SS Pin Functionality ............................................................................................172
18.4Data Modes .........................................................................................................172
18.5Register Description ............................................................................................174
19.1Features ..............................................................................................................177
19.2Overview .............................................................................................................177
19.3Clock Generation .................................................................................................178
19.4Frame Formats ....................................................................................................181
19.5USART Initialization ............................................................................................183
19.6Data Transmission – The USART Transmitter ....................................................184
19.7Data Reception – The USART Receiver .............................................................187
19.8Asynchronous Data Reception ............................................................................191
19.9Multi-processor Communication Mode ................................................................194
19.10Examples of Baud Rate Setting ........................................................................195
19.11Register Description ..........................................................................................200
20.1Features ..............................................................................................................205
20.2Overview .............................................................................................................205
20.3Clock Generation .................................................................................................205
20.4SPI Data Modes and Timing ...............................................................................206
20.5Frame Formats ....................................................................................................207
iv
Related parts for ATMEGA48A-AUR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![ATMEGA48-20AI](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATmega48](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATmega48 Automotive](/images/manufacturer_photos/0/0/79/atmel_corporation_tmb.jpg)
Part Number:
Description:
Manufacturer:
Atmel Corporation
Datasheet:
![ATMEGA48-20AU](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 32TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PU](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 28DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MU](/photos/12/32/123213/atmega48-20mu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 20MHZ 5V 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20AJ](/photos/6/91/69154/313-32-tqfp_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-TQFP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MI](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MJ](/images/manufacturer_photos/0/0/78/atmel_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 32-QFN
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PI](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20PJ](/photos/7/21/72189/453-28-dip_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K 5V 20MHZ 28-DIP
Manufacturer:
Atmel
Datasheet:
![ATMEGA48-20MMU](/photos/12/13/121311/atmega48-20mmu_tmb.jpg)
Part Number:
Description:
IC AVR MCU 4K FLASH 20MHZ 28QFN
Manufacturer:
Atmel
Datasheet: