ATMEGA48PA-AU Atmel, ATMEGA48PA-AU Datasheet - Page 563

• Manufacturer Part Number: ATMEGA48PA-AU
• Description: MCU AVR 4KB FLASH 20MHZ 32TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48PA-AU

• 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: 32-TQFP, 32-VQFP
• Controller Family/series: AVR MEGA
• No. Of I/o's: 23
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Processor Series: ATMEGA48x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: 2-Wire, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• On-chip Dac: 10 bit, 6 Channel
• Data Rom Size: 256 B
• Height: 1 mm
• Length: 7 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Width: 7 mm
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8271C–AVR–08/10
25 Self-Programming the Flash, ATmega 48A/48PA ............................. 270
26 Boot Loader Support – Read-While-Write Self-Programming ......... 279
27 Memory Programming ......................................................................... 296
28 Electrical Characteristics .................................................................... 316
29 Typical Characteristics ........................................................................ 331
ATmega48A/48PA/88A/88PA/168A/168PA/328/328
25.1Overview .............................................................................................................270
25.2Addressing the Flash During Self-Programming .................................................271
25.3Register Description ............................................................................................277
26.1Features ..............................................................................................................279
26.2Overview .............................................................................................................279
26.3Application and Boot Loader Flash Sections .......................................................279
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................280
26.5Boot Loader Lock Bits .........................................................................................282
26.6Entering the Boot Loader Program ......................................................................283
26.7Addressing the Flash During Self-Programming .................................................284
26.8Self-Programming the Flash ................................................................................284
26.9Register Description ............................................................................................294
27.1Program And Data Memory Lock Bits .................................................................296
27.2Fuse Bits .............................................................................................................297
27.3Signature Bytes ...................................................................................................300
27.4Calibration Byte ...................................................................................................301
27.5Page Size ............................................................................................................301
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................302
27.7Parallel Programming ..........................................................................................304
27.8Serial Downloading .............................................................................................311
28.1Absolute Maximum Ratings* ...............................................................................316
28.2DC Characteristics ..............................................................................................316
28.3Speed Grades .....................................................................................................321
28.4Clock Characteristics ...........................................................................................322
28.5System and Reset Characteristics ......................................................................323
28.6SPI Timing Characteristics ..................................................................................324
28.7Two-wire Serial Interface Characteristics ............................................................326
28.8ADC Characteristics ............................................................................................328
28.9Parallel Programming Characteristics .................................................................329
29.1ATmega48A Typical Characteristics ...................................................................332
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