ATMEGA164P-20MCU Atmel, ATMEGA164P-20MCU Datasheet - Page 436

• Manufacturer Part Number: ATMEGA164P-20MCU
• Description: MCU AVR 16K FLASH 20MHZ 44-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA164P-20MCU

• 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: 32
• 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 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-VQFN Exposed Pad
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8011O–AVR–07/10
22 IEEE 1149.1 (JTAG) Boundary-scan ................................................... 266
23 Boot Loader Support – Read-While-Write Self-Programming ......... 276
24 Memory Programming ......................................................................... 293
25 Electrical Characteristics .................................................................... 325
22.1 Features .............................................................................................................266
22.2 Overview ............................................................................................................266
22.3 Data Registers ....................................................................................................267
22.4 Boundary-scan Specific JTAG Instructions ........................................................268
22.5 Boundary-scan Chain .........................................................................................269
22.6 ATmega164P/324P/644P Boundary-scan Order ...............................................272
22.7 Boundary-scan Description Language Files .......................................................274
22.8 Register Description ...........................................................................................275
23.1 Features .............................................................................................................276
23.2 Overview ............................................................................................................276
23.3 Application and Boot Loader Flash Sections ......................................................276
23.4 Read-While-Write and No Read-While-Write Flash Sections .............................277
23.5 Boot Loader Lock Bits ........................................................................................279
23.6 Entering the Boot Loader Program .....................................................................280
23.7 Addressing the Flash During Self-Programming ................................................281
23.8 Self-Programming the Flash ...............................................................................282
23.9 Register Description ...........................................................................................291
24.1 Program And Data Memory Lock Bits ................................................................293
24.2 Fuse Bits ............................................................................................................294
24.3 Signature Bytes ..................................................................................................296
24.4 Calibration Byte ..................................................................................................296
24.5 Page Size ...........................................................................................................296
24.6 Parallel Programming Parameters, Pin Mapping, and Commands ....................297
24.7 Parallel Programming .........................................................................................299
24.8 Serial Downloading ............................................................................................308
24.9 Serial Programming Instruction set ....................................................................310
24.10 Programming via the JTAG Interface ...............................................................312
25.1 DC Characteristics .............................................................................................325
25.2 Speed Grades ....................................................................................................329
25.3 Clock Characteristics ..........................................................................................330
25.4 System and Reset Characteristics .....................................................................331
ATmega164P/324P/644P
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