ATMEGA88-20MUR Atmel, ATMEGA88-20MUR Datasheet - Page 371

• 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

2545T–AVR–05/11
14 I/O-ports .................................................................................................. 71
15 8-bit Timer/Counter0 with PWM ............................................................ 89
16 16-bit Timer/Counter1 with PWM ........................................................ 108
17 Timer/Counter0 and Timer/Counter1 prescalers .............................. 137
18 8-bit Timer/Counter2 with PWM and asynchronous operation ........ 140
13.1Pin change interrupt timing ....................................................................................66
13.2Register description ...............................................................................................67
14.1Overview ...............................................................................................................71
14.2Ports as general digital I/O ....................................................................................72
14.3Alternate port functions .........................................................................................76
14.4Register description ...............................................................................................87
15.1Features ................................................................................................................89
15.2Overview ...............................................................................................................89
15.3Timer/counter clock sources .................................................................................91
15.4Counter unit ...........................................................................................................91
15.5Output compare unit ..............................................................................................92
15.6Compare match output unit ...................................................................................93
15.7Modes of operation ................................................................................................94
15.8Timer/counter timing diagrams ..............................................................................99
15.9Register description .............................................................................................101
16.1Features ..............................................................................................................108
16.2Overview .............................................................................................................108
16.3Accessing 16-bit registers ...................................................................................110
16.4Timer/counter clock sources ...............................................................................113
16.5Counter unit .........................................................................................................114
16.6Input capture unit .................................................................................................115
16.7Output compare units ..........................................................................................116
16.8Compare match output unit .................................................................................118
16.9Modes of operation ..............................................................................................119
16.10Timer/counter timing diagrams ..........................................................................127
16.11Register description ...........................................................................................130
17.1Register description .............................................................................................139
18.1Features ..............................................................................................................140
18.2Overview .............................................................................................................140
ATmega48/88/168
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