ATMEGA48-20AI Atmel, ATMEGA48-20AI Datasheet - Page 364

• Manufacturer Part Number: ATMEGA48-20AI
• Description: IC AVR MCU 4K 5V 20MHZ 32-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20AI

• 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: 32-TQFP, 32-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: ATMEGA48-24AI; ATMEGA48-24AI

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35.10 Rev. 2545J-12/06
35.11 Rev. 2545I-11/06
35.12 Rev. 2545H-10/06
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Rev. 2545M-09/07
Rev. 2545L-08/07
Rev. 2545K-04/07
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“Data Retention” on page
“System Clock Prescaler” on page
“Alternate Functions of Port B” on page
“Pin Thresholds and Hysteresis” on page
“ADC Characteristics” on page
“Features” on page
“System and Reset Characteristics” on page
“Interrupts” on page
“Features” on page
Table 1-1 on page
“Ordering Information” on page
“Packaging Information” on page
“Features” on page
“Features” on page
“Calibrated Internal RC Oscillator” on page
Table 28-3 on page
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Table 8-3 on page
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“Analog-to-Digital Converter” on page
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“MCUCR – MCU Control Register” on page
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2545S–AVR–07/10
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