ATmega329PA Atmel Corporation, ATmega329PA Datasheet - Page 707

• Manufacturer Part Number: ATmega329PA
• Manufacturer: Atmel Corporation

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

8284D–AVR–6/11
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
19 SPI – Serial Peripheral Interface ......................................................... 166
20 USART0 ................................................................................................. 176
21 USI – Universal Serial Interface .......................................................... 204
22 Analog Comparator ............................................................................. 216
18.1Features ..............................................................................................................147
18.2Overview .............................................................................................................147
18.3Timer/Counter Clock Sources .............................................................................148
18.4Counter Unit ........................................................................................................149
18.5Output Compare Unit ..........................................................................................149
18.6Compare Match Output Unit ................................................................................151
18.7Modes of Operation .............................................................................................152
18.8Timer/Counter Timing Diagrams .........................................................................156
18.9Asynchronous Operation of Timer/Counter2 .......................................................158
18.10Register Description ..........................................................................................161
19.1Features ..............................................................................................................166
19.2Overview .............................................................................................................166
19.3SS Pin Functionality ............................................................................................171
19.4Data Modes .........................................................................................................171
19.5Register Description ............................................................................................173
20.1Features ..............................................................................................................176
20.2Overview .............................................................................................................176
20.3Clock Generation .................................................................................................178
20.4Frame Formats ....................................................................................................181
20.5USART Initialization ............................................................................................182
20.6Data Transmission – The USART Transmitter ....................................................184
20.7Data Reception – The USART Receiver .............................................................186
20.8Asynchronous Data Reception ............................................................................190
20.9Multi-processor Communication Mode ................................................................193
20.10Examples of Baud Rate Setting ........................................................................195
20.11Register Description ..........................................................................................199
21.1Features ..............................................................................................................204
21.2Overview .............................................................................................................204
21.3Functional Descriptions .......................................................................................205
21.4Alternative USI Usage .........................................................................................211
21.5Register Description ............................................................................................212
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