ATMEGA48A-AU Atmel, ATMEGA48A-AU Datasheet - Page 560

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
13 I/O-Ports .................................................................................................. 76
14 8-bit Timer/Counter0 with PWM ............................................................ 95
15 16-bit Timer/Counter1 with PWM ........................................................ 114
16 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 142
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 145
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
12.2Register Description ..............................................................................................72
13.1Overview ...............................................................................................................76
13.2Ports as General Digital I/O ...................................................................................77
13.3Alternate Port Functions ........................................................................................81
13.4Register Description ..............................................................................................93
14.1Features ................................................................................................................95
14.2Overview ...............................................................................................................95
14.3Timer/Counter Clock Sources ...............................................................................97
14.4Counter Unit ..........................................................................................................97
14.5Output Compare Unit ............................................................................................98
14.6Compare Match Output Unit ..................................................................................99
14.7Modes of Operation .............................................................................................100
14.8Timer/Counter Timing Diagrams .........................................................................105
14.9Register Description ............................................................................................107
15.1Features ..............................................................................................................114
15.2Overview .............................................................................................................114
15.3Accessing 16-bit Registers ..................................................................................116
15.4Timer/Counter Clock Sources .............................................................................119
15.5Counter Unit ........................................................................................................120
15.6Input Capture Unit ...............................................................................................121
15.7Output Compare Units .........................................................................................123
15.8Compare Match Output Unit ................................................................................125
15.9Modes of Operation .............................................................................................126
15.10Timer/Counter Timing Diagrams .......................................................................133
15.11Register Description ..........................................................................................135
16.1Internal Clock Source ..........................................................................................142
16.2Prescaler Reset ...................................................................................................142
16.3External Clock Source .........................................................................................142
16.4Register Description ............................................................................................144
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