ATmega329A Atmel Corporation, ATmega329A Datasheet - Page 358

• Manufacturer Part Number: ATmega329A
• Manufacturer: Atmel Corporation

Specifications of ATmega329A

• 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: 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

Table 29-20. ADC Characteristics
Notes:
29.11 LCD Controller Characteristics
Table 29-21. LCD Controller Characteristics
8284D–AVR–6/11
I
R
R
Symbol
LCD
Symbol
SEG
COM
R
R
V
REF
AIN
INT
1. Voltage difference between channels
Parameter
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
Parameter
LCD Driver Current
Segment Driver Output Impedance
Blackplane Driver Output Impedance
ATmega169A/PA/329A/PA/3290A/PA/649A/P/6490A/P
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
Units
MΩ
kΩ
Units
V
µA
kΩ
kΩ
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