ATMEGA88P-20MUR Atmel, ATMEGA88P-20MUR Datasheet - Page 414

• Manufacturer Part Number: ATMEGA88P-20MUR
• Description: MCU AVR 8KB FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA88P-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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8025L–AVR–7/10
9
10 System Control and Reset .................................................................... 47
11 Interrupts ................................................................................................ 58
12 External Interrupts ................................................................................. 68
Power Management and Sleep Modes ................................................. 40
8.8External Clock .........................................................................................................35
8.9Clock Output Buffer .................................................................................................36
8.10Timer/Counter Oscillator .......................................................................................36
8.11System Clock Prescaler ........................................................................................36
8.12Register Description ..............................................................................................38
9.1Sleep Modes ...........................................................................................................40
9.2BOD Disable ............................................................................................................41
9.3Idle Mode .................................................................................................................41
9.4ADC Noise Reduction Mode ...................................................................................41
9.5Power-down Mode ..................................................................................................42
9.6Power-save Mode ...................................................................................................42
9.7Standby Mode .........................................................................................................42
9.8Extended Standby Mode .........................................................................................42
9.9Power Reduction Register .......................................................................................43
9.10Minimizing Power Consumption ............................................................................43
9.11Register Description ..............................................................................................45
10.1Resetting the AVR .................................................................................................47
10.2Reset Sources .......................................................................................................47
10.3Power-on Reset .....................................................................................................48
10.4External Reset .......................................................................................................49
10.5Brown-out Detection ..............................................................................................49
10.6Watchdog System Reset .......................................................................................50
10.7Internal Voltage Reference ....................................................................................50
10.8Watchdog Timer ....................................................................................................51
10.9Register Description ..............................................................................................55
11.1Interrupt Vectors in ATmega48P ...........................................................................58
11.2Interrupt Vectors in ATmega88P ...........................................................................60
11.3Interrupt Vectors in ATmega168P .........................................................................63
11.4Register Description ..............................................................................................66
12.1Pin Change Interrupt Timing .................................................................................68
12.2Register Description ..............................................................................................69
ATmega48P/88P/168P
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