參數(shù)資料
型號: ATMEGA329V-8MUR
廠商: Atmel
文件頁數(shù): 10/146頁
文件大?。?/td> 0K
描述: MCU AVR 32K FLASH 8MHZ 64QFN
產(chǎn)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: 8MHz
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(shù): 54
程序存儲器容量: 32KB(16K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 1K x 8
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 1.8 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)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: ATMEGA329V-8MUR-ND
ATMEGA329V-8MURTR
18
2552K–AVR–04/11
ATmega329/3290/649/6490
7.
AVR ATmega329/3290/649/6490 Memories
This section describes the different memories in the ATmega329/3290/649/6490. The Atmel
AVR architecture has two main memory spaces, the Data Memory and the Program Memory
space. In addition, the ATmega329/3290/649/6490 features an EEPROM Memory for data stor-
age. All three memory spaces are linear.
7.1
In-System Reprogrammable Flash Program Memory
The ATmega329/3290/649/6490 contains 32/64Kbytes On-chip In-System Reprogrammable
Flash memory for program storage. Since all AVR instructions are 16 or 32 bits wide, the Flash
is organized as 16/32K x 16. For software security, the Flash Program memory space is divided
into two sections, Boot Program section and Application Program section.
The F lash memory has an endurance of at least 10,000 write/erase cycles. The
ATmega329/3290/649/6490 Program Counter (PC) is 14/15 bits wide, thus addressing the
16/32K program memory locations. The operation of Boot Program section and associated Boot
Lock bits for software protection are described in detail in “Boot Loader Support – Read-While-
description on Flash data serial downloading using the SPI pins or the JTAG interface.
Constant tables can be allocated within the entire program memory address space (see the LPM
– Load Program Memory instruction description).
Timing diagrams for instruction fetch and execution are presented in “Instruction Execution Tim-
Figure 7-1.
Program Memory Map
0x0000
0x3FFF/0x7FFF
Program Memory
Application Flash Section
Boot Flash Section
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