參數(shù)資料
型號: AT91SAM7X512-AU-999
廠商: Atmel
文件頁數(shù): 23/44頁
文件大?。?/td> 0K
描述: IC MCU ARM 512K HS FLASH 100LQFP
產(chǎn)品培訓(xùn)模塊: SAM9 MPU Boot Solutions & Application Deployment
AT91SAM7X and SAM7XC Flash-based Microcontrollers
MCU Product Line Introduction
標(biāo)準(zhǔn)包裝: 1
系列: SAM7X
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: CAN,以太網(wǎng),I²C,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 62
程序存儲器容量: 512KB(512K x 8)
程序存儲器類型: 閃存
RAM 容量: 128K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 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: 100-LQFP
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: AT91SAM7X512-AU-999DKR
3
6120GS–ATARM–07-Apr-11
SAM7X512/256/128 Summary
1.
Description
Atmel's SAM7X512/256/128 is a member of a series of highly integrated Flash microcontrollers
based on the 32-bit ARM RISC processor. It features 512/256/128 Kbytes high-speed Flash and
128/64/32 Kbyte SRAM, a large set of peripherals, including an 802.3 Ethernet MAC and a CAN
controller. A complete set of system functions minimizes the number of external components.
The embedded Flash memory can be programmed in-system via the JTAG-ICE interface or via
a parallel interface on a production programmer prior to mounting. Built-in lock bits and a secu-
rity bit protect the firmware from accidental overwrite and preserve its confidentiality.
The SAM7X512/256/128 system controller includes a reset controller capable of managing the
power-on sequence of the microcontroller and the complete system. Correct device operation
can be monitored by a built-in brownout detector and a watchdog running off an integrated RC
oscillator.
By combining the ARM7TDMI processor with on-chip Flash and SRAM, and a wide range of
peripheral functions, including USART, SPI, CAN Controller, Ethernet MAC, Timer Counter, RTT
and Analog-to-Digital Converters on a monolithic chip, the SAM7X512/256/128 is a powerful
device that provides a flexible, cost-effective solution to many embedded control applications
requiring communication over, for example, Ethernet, CAN wired and Zigbee
wireless
networks.
1.1
Configuration Summary of the SAM7X512/256/128
The SAM7X512, SAM7X256 and SAM7X128 differ only in memory sizes. Table 1-1 summarizes
the configurations of the three devices.
Table 1-1.
Configuration Summary
Device
Flash
Organization
SRAM
SAM7X512
512 Kbytes
dual plane
128 Kbytes
SAM7X256
256 Kbytes
single plane
64 Kbytes
SAM7X128
128 Kbytes
single plane
32 Kbytes
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