ATMEGA88-20MUR Atmel, ATMEGA88-20MUR Datasheet - Page 343

• Manufacturer Part Number: ATMEGA88-20MUR
• Description: MCU AVR 8K FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88-20MUR

• 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: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K 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: *
• Cpu Family: ATmega
• Device Core: AVR
• Device Core Size: 8b
• Frequency (max): 20MHz
• Interface Type: SPI/TWI/USART
• Total Internal Ram Size: 1KB
• # I/os (max): 23
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 32
• Package Type: MLF EP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

31. Register summary
2545T–AVR–05/11
Address
(0xFD)
(0xFC)
(0xEE)
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(0xEC)
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(0xEA)
(0xDF)
(0xDE)
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(0xDC)
(0xDB)
(0xDA)
(0xCF)
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(0xCD)
(0xCC)
(0xCB)
(0xCA)
(0xFF)
(0xFE)
(0xFB)
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(0xF9)
(0xF8)
(0xF7)
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(0xF5)
(0xF4)
(0xF3)
(0xF2)
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(0xF0)
(0xEF)
(0xE9)
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(0xE7)
(0xE6)
(0xE5)
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(0xE3)
(0xE2)
(0xE1)
(0xE0)
(0xD9)
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(0xD7)
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(0xD5)
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(0xD3)
(0xD2)
(0xD1)
(0xD0)
(0xC9)
(0xC8)
(0xC7)
(0xC6)
(0xC5)
(0xC4)
(0xC3)
(0xC2)
(0xC1)
(0xC0)
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UBRR0H
UCSR0C
UCSR0B
UCSR0A
UBRR0L
Name
UDR0
UMSEL01
RXCIE0
Bit 7
RXC0
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UMSEL00
TXCIE0
Bit 6
TXC0
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UDRIE0
UPM01
UDRE0
Bit 5
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USART baud rate register low
UPM00
RXEN0
Bit 4
USART I/O data register
FE0
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USBS0
TXEN0
Bit 3
DOR0
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UCSZ01 /UDORD0
USART baud rate register high
UCSZ02
Bit 2
UPE0
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UCSZ00 / UCPHA0
ATmega48/88/168
RXB80
Bit 1
U2X0
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UCPOL0
MPCM0
TXB80
Bit 0
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