参数资料
型号: AT91SAM7XC128-AU
厂商: Atmel
文件页数: 34/47页
文件大小: 0K
描述: IC ARM7 MCU FLASH 128K 100LQFP
产品培训模块: SAM9 MPU Boot Solutions & Application Deployment
AT91SAM7X and SAM7XC Flash-based Microcontrollers
MCU Product Line Introduction
标准包装: 90
系列: SAM7XC
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: CAN,以太网,I²C,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 62
程序存储器容量: 128KB(128K x 8)
程序存储器类型: 闪存
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 100-LQFP
包装: 托盘
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7XC-EK-ND - KIT EVAL FOR AT91SAM7XC256/128
4
6209DS–ATARM–17-Feb-09
AT91SAM7XC512/256/128
1.
Description
Atmel's AT91SAM7XC512/256/128 is a member of a series of highly integrated Flash microcon-
trollers based on the 32-bit ARM RISC processor. It features 512/256/128 Kbyte high-speed
Flash and 128/64/32 Kbyte SRAM, a large set of peripherals, including an 802.3 Ethernet MAC,
a CAN controller, an AES 128 Encryption accelerator and a Triple Data Encryption System. 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 AT91SAM7XC512/256/128 system controller includes a reset controller capable of manag-
ing 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 inte-
grated 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, AES 128 accelera-
tor, TDES, Timer Counter, RTT and Analog-to-Digital Converters on a monolithic chip, the
AT91SAM7XC512/256/128 is a powerful device that provides a flexible, cost-effective solution
to many embedded control applications requiring secure communication over, for example,
Ethernet, CAN wired and Zigbee
wireless networks.
1.1
Configuration Summary of the AT91SAM7XC512/256/128
The AT91SAM7XC512, AT91SAM7XC256 and AT91SAM7XC128 differ only in memory sizes.
Table 1-1 summarizes the configurations of the two devices.
Table 1-1.
Configuration Summary
Device
Flash
Flash Organization
SRAM
AES
TDES
AT91SAM7XC512
512K bytes
dual plane
128K bytes
1 AES 256/192/128
1
AT91SAM7XC256
256K bytes
single plane
64K bytes
1 AES 128
1
AT91SAM7XC128
128K bytes
single plane
32K bytes
1 AES 128
1
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