ATMEGA329P-20MN Atmel, ATMEGA329P-20MN Datasheet - Page 71

IC MCU AVR 32K 20MHZ 64QFN

ATMEGA329P-20MN

Manufacturer Part Number
ATMEGA329P-20MN
Description
IC MCU AVR 32K 20MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheets

Specifications of ATMEGA329P-20MN

Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, LCD, POR, PWM, WDT
Number Of I /o
54
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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