ATmega329 Atmel Corporation, ATmega329 Datasheet - Page 334
ATmega329
Manufacturer Part Number
ATmega329
Description
Manufacturer
Atmel Corporation
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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Table 28-7.
Note:
28.8
Table 28-8.
334
I
R
R
Symbol
LCD
Symbol
SEG
COM
R
R
V
REF
INT
AIN
1. Voltage difference between channels.
LCD Controller Characteristics
ATmega329/3290/649/6490
Parameter
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
Parameter
LCD Driver Current
Segment Driver Output Impedance
Blackplane Driver Output Impedance
ADC Characteristics (Continued)
LCD Controller Characteristics
Condition
Total for All COM and SEG pins
Condition
Min
1.0
Typ
100
1.1
32
Min.
Typ
10
6
2
Max
1.2
Max
2552K–AVR–04/11
Units
Units
MΩ
kΩ
V
kΩ
µA
kΩ
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