ATMEGA48-20AUR Atmel, ATMEGA48-20AUR Datasheet - Page 9
![IC AVR MCU 4K 20MHZ 32TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
ATMEGA48-20AUR
Manufacturer Part Number
ATMEGA48-20AUR
Description
IC AVR MCU 4K 20MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA48-20AU.pdf
(35 pages)
Specifications of ATMEGA48-20AUR
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
*
Processor Series
ATMEGA4x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SPI, UART, I2C
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
23
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
ATMEGA48A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
2545SS–AVR–07/10
Address
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OCR1BH
OCR1AH
TCCR1C
TCCR2B
TCCR2A
OCR1BL
OCR1AL
TCNT1H
TCCR1B
TCCR1A
Name
TWAMR
TCNT1L
OCR2B
OCR2A
TCNT2
TWCR
TWDR
TWAR
TWSR
TWBR
ICR1H
DIDR1
DIDR0
ASSR
ICR1L
COM2A1
COM1A1
TWAM6
FOC2A
FOC1A
TWINT
Bit 7
ICNC1
TWA6
TWS7
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COM2A0
COM1A0
TWAM5
EXCLK
FOC2B
FOC1B
Bit 6
TWEA
ICES1
TWA5
TWS6
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COM2B1
COM1B1
TWAM4
TWSTA
ADC5D
Bit 5
TWA4
TWS5
AS2
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Timer/Counter1 - Output Compare Register B High Byte
Timer/Counter1 - Output Compare Register A High Byte
Timer/Counter1 - Output Compare Register B Low Byte
Timer/Counter1 - Output Compare Register A Low Byte
Timer/Counter1 - Input Capture Register High Byte
Timer/Counter1 - Input Capture Register Low Byte
Timer/Counter1 - Counter Register High Byte
Timer/Counter1 - Counter Register Low Byte
Timer/Counter2 Output Compare Register B
Timer/Counter2 Output Compare Register A
2-wire Serial Interface Bit Rate Register
2-wire Serial Interface Data Register
TCN2UB
COM2B0
COM1B0
TWAM3
TWSTO
WGM13
ADC4D
Bit 4
TWA3
TWS4
Timer/Counter2 (8-bit)
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OCR2AUB
TWAM2
WGM22
WGM12
ADC3D
TWWC
Bit 3
TWA2
TWS3
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OCR2BUB
TWAM1
ADC2D
Bit 2
TWEN
TWA1
CS22
CS12
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TCR2AUB
ATmega48/88/168
TWAM0
WGM21
WGM11
TWPS1
ADC1D
Bit 1
AIN1D
TWA0
CS21
CS11
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TCR2BUB
TWGCE
WGM20
WGM10
TWPS0
ADC0D
Bit 0
AIN0D
TWIE
CS20
CS10
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