ATmega329P Atmel Corporation, ATmega329P Datasheet - Page 71
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ATmega329P
Manufacturer Part Number
ATmega329P
Description
Manufacturer
Atmel Corporation
Specifications of ATmega329P
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
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Company
Part Number
Manufacturer
Quantity
Price
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INTEL
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Part Number:
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Manufacturer:
ATMEL/爱特梅尔
Quantity:
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Company:
Part Number:
ATmega329PA-MUR
Manufacturer:
ATMEL
Quantity:
101
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13.3.1
8021G–AVR–03/11
Alternate Functions of Port A
The Port A has an alternate function as COM0:3 and SEG0:3 for the LCD Controller.
Table 13-3.
Table 13-4
shown in
Table 13-4.
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
Figure 13-5 on page
and
Port A Pins Alternate Functions
Overriding Signals for Alternate Functions in PA7:PA4
Table 13-5
Alternate Function
SEG (LCD Front Plane 3)
SEG (LCD Front Plane 2)
SEG (LCD Front Plane 1)
SEG (LCD Front Plane 0)
COM (LCD Back Plane 3)
COM (LCD Back Plane 2)
COM (LCD Back Plane 1)
COM (LCD Back Plane 0)
PA7/SEG3
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
relates the alternate functions of Port A to the overriding signals
69.
PA6/SEG2
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
PA5/SEG1
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
ATmega329P/3290P
PA4/SEG0
LCDEN
0
LCDEN
0
0
0
–
LCDEN
0
–
LCDSEG
71
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