ATmega329PA Atmel Corporation, ATmega329PA Datasheet - Page 709

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ATmega329PA

Manufacturer Part Number
ATmega329PA
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega329PA

Flash (kbytes)
32 Kbytes
Pin Count
64
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
54
Ext Interrupts
17
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
Segment Lcd
100
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
15
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
2
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
Yes
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
4
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
27 Boot Loader Support – Read-While-Write Self-Programming ......... 294
28 Memory Programming ......................................................................... 310
29 Electrical Characteristics .................................................................... 344
26.5Boundary-scan Chain ..........................................................................................264
26.6ATmega169A/169PA/329A/329PA/3290A/3290PA/649A/649P/6490A/6490P
26.7Boundary-scan Description Language Files ........................................................292
26.8Register Description ............................................................................................293
27.1Features ..............................................................................................................294
27.2Overview .............................................................................................................294
27.3Application and Boot Loader Flash Sections .......................................................294
27.4Read-While-Write and No Read-While-Write Flash Sections ..............................295
27.5Boot Loader Lock Bits .........................................................................................297
27.6Entering the Boot Loader Program ......................................................................299
27.7Addressing the Flash During Self-Programming .................................................299
27.8Self-Programming the Flash ................................................................................300
27.9Register Description ............................................................................................307
28.1Program And Data Memory Lock Bits .................................................................310
28.2Fuse Bits .............................................................................................................311
28.3Signature Bytes ...................................................................................................313
28.4Calibration Byte ...................................................................................................313
28.5Page Size ............................................................................................................313
28.6Parallel Programming Parameters, Pin Mapping, and Commands .....................314
28.7Parallel Programming ..........................................................................................316
28.8Serial Downloading .............................................................................................325
28.9Programming via the JTAG Interface ..................................................................331
29.1Absolute Maximum Ratings* ...............................................................................344
29.2DC Characteristics ..............................................................................................344
29.3Speed Grades .....................................................................................................351
29.4Clock Characteristics ...........................................................................................352
29.5System and Reset Characteristics ......................................................................353
29.6Power-on Reset ...................................................................................................353
29.7Brown-out Detection ............................................................................................354
29.8External Interrupts Characteristics ......................................................................354
29.9SPI Timing Characteristics ..................................................................................355
Boundary-scan Order 273
vi

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