ATmega329 Atmel Corporation, ATmega329 Datasheet - Page 387

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ATmega329

Manufacturer Part Number
ATmega329
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega329

Flash (kbytes)
32 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
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
No
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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2552K–AVR–04/11
14 8-bit Timer/Counter0 with PWM ............................................................ 91
15 Timer/Counter0 and Timer/Counter1 Prescalers .............................. 107
16 16-bit Timer/Counter1 .......................................................................... 110
17 8-bit Timer/Counter2 with PWM and Asynchronous Operation ...... 139
13.4
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
15.1
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
16.10
16.11
17.1
17.2
17.3
17.4
17.5
17.6
17.7
17.8
17.9
Register Description ........................................................................................87
Features ..........................................................................................................91
Overview ..........................................................................................................91
Timer/Counter Clock Sources .........................................................................92
Counter Unit ....................................................................................................93
Output Compare Unit .......................................................................................93
Compare Match Output Unit ............................................................................95
Modes of Operation .........................................................................................97
Timer/Counter Timing Diagrams ...................................................................101
Register Description ......................................................................................103
Register Description ......................................................................................108
Features ........................................................................................................110
Overview ........................................................................................................110
Accessing 16-bit Registers ............................................................................113
Timer/Counter Clock Sources .......................................................................116
Counter Unit ..................................................................................................116
Input Capture Unit .........................................................................................117
Output Compare Units ...................................................................................119
Compare Match Output Unit ..........................................................................122
Modes of Operation .......................................................................................123
Timer/Counter Timing Diagrams ...................................................................130
Register Description ......................................................................................132
Features ........................................................................................................139
Overview ........................................................................................................139
Timer/Counter Clock Sources .......................................................................140
Counter Unit ..................................................................................................140
Output Compare Unit .....................................................................................141
Compare Match Output Unit ..........................................................................144
Modes of Operation .......................................................................................145
Timer/Counter Timing Diagrams ...................................................................149
Asynchronous Operation of Timer/Counter2 .................................................151
ATmega329/3290/649/6490
iii

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