參數資料
型號: ATMEGA329-16MUR
廠商: Atmel
文件頁數: 27/30頁
文件大?。?/td> 0K
描述: MCU AVR 32K FLASH 16MHZ 64QFN
產品培訓模塊: megaAVR Introduction
標準包裝: 4,000
系列: AVR® ATmega
核心處理器: AVR
芯體尺寸: 8-位
速度: 16MHz
連通性: SPI,UART/USART,USI
外圍設備: 欠壓檢測/復位,LCD,POR,PWM,WDT
輸入/輸出數: 54
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: 閃存
EEPROM 大小: 1K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數據轉換器: A/D 8x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 帶卷 (TR)
其它名稱: ATMEGA329-16MUR-ND
ATMEGA329-16MURTR
6
2552KS–AVR–04/11
ATmega329/3290/649/6490
2.2
Comparison between ATmega329, ATmega3290, ATmega649 and ATmega6490
The ATmega329, ATmega3290, ATmega649, and ATmega6490 differs only in memory sizes,
pin count and pinout. Table 2-1 on page 6 summarizes the different configurations for the four
devices.
2.3
Pin Descriptions
The following section describes the I/O-pin special functions.
2.3.1
V
CC
Digital supply voltage.
2.3.2
GND
Ground.
2.3.3
Port A (PA7..PA0)
Port A is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port A output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port A pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port A pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port A also serves the functions of various special features of the ATmega329/3290/649/6490
as listed on page 67.
2.3.4
Port B (PB7..PB0)
Port B is an 8-bit bi-directional I/O port with internal pull-up resistors (selected for each bit). The
Port B output buffers have symmetrical drive characteristics with both high sink and source
capability. As inputs, Port B pins that are externally pulled low will source current if the pull-up
resistors are activated. The Port B pins are tri-stated when a reset condition becomes active,
even if the clock is not running.
Port B has better driving capabilities than the other ports.
Port B also serves the functions of various special features of the ATmega329/3290/649/6490
as listed on page 68.
Table 2-1.
Configuration Summary
Device
Flash
EEPROM
RAM
LCD
Segments
General Purpose
I/O Pins
ATmega329
32Kbytes
1Kbytes
2Kbytes
4 x 25
54
ATmega3290
32Kbytes
1K bytes
2Kbytes
4 x 40
69
ATmega649
64Kbytes
2Kbytes
4Kbytes
4 x 25
54
ATmega6490
64Kbytes
2Kbytes
4Kbytes
4 x 40
69
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