ATMEGA168P-20PU Atmel, ATMEGA168P-20PU Datasheet - Page 418

• Manufacturer Part Number: ATMEGA168P-20PU
• Description: MCU AVR 16K FLASH 20MHZ 28-PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA168P-20PU

• 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: 16KB (8K 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 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Processor Series: ATMEGA16x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: I2C, SPI, USART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 23
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 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, 6 Channel
• Controller Family/series: AVR MEGA
• No. Of I/o's: 23
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 1KB
• Cpu Speed: 20MHz
• No. Of Timers: 3
• Rohs Compliant: Yes
• Data Rom Size: 512 B
• A/d Bit Size: 10 bit
• A/d Channels Available: 6
• Height: 4.57 mm
• Length: 34.8 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 7.49 mm
• For Use With: ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8025L–AVR–7/10
26 Boot Loader Support – Read-While-Write Self-Programming,
27 Memory Programming ......................................................................... 291
28 Electrical Characteristics .................................................................... 309
29 Typical Characteristics ........................................................................ 322
ATmega88P and ATmega168P 275
25.2Addressing the Flash During Self-Programming .................................................268
25.3Register Description’ ...........................................................................................273
26.1Features ..............................................................................................................275
26.2Overview .............................................................................................................275
26.3Application and Boot Loader Flash Sections .......................................................275
26.4Read-While-Write and No Read-While-Write Flash Sections ..............................276
26.5Boot Loader Lock Bits .........................................................................................278
26.6Entering the Boot Loader Program ......................................................................279
26.7Addressing the Flash During Self-Programming .................................................280
26.8Self-Programming the Flash ................................................................................280
26.9Register Description ............................................................................................289
27.1Program And Data Memory Lock Bits .................................................................291
27.2Fuse Bits .............................................................................................................292
27.3Signature Bytes ...................................................................................................294
27.4Calibration Byte ...................................................................................................294
27.5Page Size ............................................................................................................295
27.6Parallel Programming Parameters, Pin Mapping, and Commands .....................295
27.7Parallel Programming ..........................................................................................297
27.8Serial Downloading .............................................................................................304
28.1Absolute Maximum Ratings* ...............................................................................309
28.2DC Characteristics ..............................................................................................309
28.3Speed Grades .....................................................................................................312
28.4Clock Characteristics ...........................................................................................313
28.5System and Reset Characteristics ......................................................................314
28.6SPI Timing Characteristics ..................................................................................315
28.72-wire Serial Interface Characteristics .................................................................317
28.8ADC Characteristics – Preliminary Data ..............................................................319
28.9Parallel Programming Characteristics .................................................................320
29.1ATmega48P Typical Characteristics ...................................................................322
29.2ATmega88P Typical Characteristics ...................................................................346
ATmega48P/88P/168P
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