ATMEGA48-20MMU Atmel, ATMEGA48-20MMU Datasheet - Page 375

• Manufacturer Part Number: ATMEGA48-20MMU
• Description: IC AVR MCU 4K FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MMU

• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: ATMEGA48x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: 2-Wire/SPI/USART/Serial
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Package: 28MLF EP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 20 MHz
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

30 Register Summary ............................................................................... 342
31 Instruction Set Summary ..................................................................... 346
32 Ordering Information ........................................................................... 349
33 Packaging Information ........................................................................ 352
34 Errata ..................................................................................................... 356
35 Datasheet Revision History ................................................................. 363
2545S–AVR–07/10
29.8Pin Driver Strength ..............................................................................................326
29.9Pin Thresholds and Hysteresis ............................................................................329
29.10BOD Thresholds and Analog Comparator Offset ..............................................332
29.11Internal Oscillator Speed ...................................................................................335
29.12Current Consumption of Peripheral Units ..........................................................337
29.13Current Consumption in Reset and Reset Pulse width .....................................340
32.1ATmega48 ...........................................................................................................349
32.2ATmega88 ...........................................................................................................350
32.3ATmega168 .........................................................................................................351
33.132A ......................................................................................................................352
33.228M1 ....................................................................................................................353
33.332M1-A ................................................................................................................354
33.428P3 ....................................................................................................................355
34.1Errata ATmega48 ................................................................................................356
34.2Errata ATmega88 ................................................................................................359
34.3Errata ATmega168 ..............................................................................................360
35.1Rev. 2545S-07/10 ................................................................................................363
35.2Rev. 2545R-07/09 ...............................................................................................363
35.3Rev. 2545Q-06/09 ...............................................................................................363
35.4Rev. 2545P-02/09 ................................................................................................363
35.5Rev. 2545O-02/09 ...............................................................................................363
35.6Rev. 2545N-01/09 ...............................................................................................363
35.7Rev. 2545M-09/07 ...............................................................................................364
35.8Rev. 2545L-08/07 ................................................................................................364
35.9Rev. 2545K-04/07 ................................................................................................364
35.10Rev. 2545J-12/06 ..............................................................................................364
35.11Rev. 2545I-11/06 ...............................................................................................364
35.12Rev. 2545H-10/06 .............................................................................................364
ATmega48/88/168
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