ATMEGA48PA-MNR Atmel, ATMEGA48PA-MNR Datasheet - Page 443

• Manufacturer Part Number: ATMEGA48PA-MNR
• Description: MCU AVR 4KB FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48PA-MNR

• 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): 1.8 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• 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: 1.8 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

8161D–AVR–10/09
13 I/O-Ports .................................................................................................. 75
14 8-bit Timer/Counter0 with PWM ............................................................ 94
15 16-bit Timer/Counter1 with PWM ........................................................ 113
16 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 141
12.1Pin Change Interrupt Timing .................................................................................70
12.2Register Description ..............................................................................................71
13.1Overview ...............................................................................................................75
13.2Ports as General Digital I/O ...................................................................................76
13.3Alternate Port Functions ........................................................................................80
13.4Register Description ..............................................................................................92
14.1Features ................................................................................................................94
14.2Overview ...............................................................................................................94
14.3Timer/Counter Clock Sources ...............................................................................96
14.4Counter Unit ..........................................................................................................96
14.5Output Compare Unit ............................................................................................97
14.6Compare Match Output Unit ..................................................................................98
14.7Modes of Operation ...............................................................................................99
14.8Timer/Counter Timing Diagrams .........................................................................104
14.9Register Description ............................................................................................106
15.1Features ..............................................................................................................113
15.2Overview .............................................................................................................113
15.3Accessing 16-bit Registers ..................................................................................115
15.4Timer/Counter Clock Sources .............................................................................118
15.5Counter Unit ........................................................................................................119
15.6Input Capture Unit ...............................................................................................120
15.7Output Compare Units .........................................................................................122
15.8Compare Match Output Unit ................................................................................124
15.9Modes of Operation .............................................................................................125
15.10Timer/Counter Timing Diagrams .......................................................................132
15.11Register Description ..........................................................................................134
16.1Internal Clock Source ..........................................................................................141
16.2Prescaler Reset ...................................................................................................141
16.3External Clock Source .........................................................................................141
16.4Register Description ............................................................................................143
ATmega48PA/88PA/168PA/328P
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