ATmega165PA Atmel Corporation, ATmega165PA Datasheet - Page 672

• Manufacturer Part Number: ATmega165PA
• Manufacturer: Atmel Corporation

Specifications of ATmega165PA

• Flash (kbytes): 16 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 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
• 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): 1
• Eeprom (bytes): 512
• 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

Table of Contents
8285D–AVR–06/11
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
1
2
3
4
5
6
7
8
9
Features ..................................................................................................... 1
Pin Configurations ................................................................................... 2
Overview ................................................................................................... 4
Resources ................................................................................................. 9
Data Retention .......................................................................................... 9
About Code Examples ............................................................................. 9
Capacitive touch sensing ........................................................................ 9
AVR CPU Core ........................................................................................ 10
AVR Memories ........................................................................................ 18
System Clock and Clock Options ......................................................... 29
1.1Pinout - TQFP and QFN/MLF ....................................................................................2
1.2Pinout - 100A (TQFP) ................................................................................................3
2.1Block Diagram ...........................................................................................................4
2.2Comparison Between
2.3Pin Descriptions ........................................................................................................6
7.1Introduction ..............................................................................................................10
7.2Architectural Overview ............................................................................................10
7.3ALU – Arithmetic Logic Unit ....................................................................................11
7.4AVR Status Register ...............................................................................................11
7.5General Purpose Register File ................................................................................13
7.6Stack Pointer ...........................................................................................................14
7.7Instruction Execution Timing ...................................................................................15
7.8Reset and Interrupt Handling ..................................................................................16
8.1In-System Reprogrammable Flash Program Memory .............................................18
8.2SRAM Data Memory ...............................................................................................19
8.3EEPROM Data Memory ..........................................................................................21
8.4I/O Memory ..............................................................................................................25
8.5General Purpose I/O Registers ...............................................................................25
8.6Register Description ................................................................................................26
9.1Clock Systems and their Distribution .......................................................................29
9.2Clock Sources .........................................................................................................30
ATmega165A/165PA/325A/325PA/3250A/3250PA/645A/645P/6450A/6450P 6
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