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AT91SAM7SE512-CU-999 PDF预览

AT91SAM7SE512-CU-999

更新时间： 2024-01-21 06:14:22
品牌 Logo 应用领域
爱特美尔 - ATMEL 微控制器
页数 文件大小 规格书
47页 489K
描述
Microcontroller

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AT91SAM7SE512-CU-999 技术参数

是否无铅： 不含铅生命周期：Obsolete
零件包装代码：BGA包装说明：,
Reach Compliance Code：unknownFactory Lead Time：1 week
风险等级：5.79Base Number Matches：1

AT91SAM7SE512-CU-999 数据手册

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AT91SAM7SE512/256/32 Preliminary Summary  
1. Description  
Atmel's AT91SAM7SE Series is a member of its Smart ARM Microcontroller family based on the  
32-bit ARM7™ RISC processor and high-speed Flash memory.  
• AT91SAM7SE512 features a 512 Kbyte high-speed Flash and a 32 Kbyte SRAM.  
• AT91SAM7SE256 features a 256 Kbyte high-speed Flash and a 32 Kbyte SRAM.  
• AT91SAM7SE32 features a 32 Kbyte high-speed Flash and an 8 Kbyte SRAM.  
It also embeds a large set of peripherals, including a USB 2.0 device, an External Bus Interface  
(EBI), and a complete set of system functions minimizing the number of external components.  
The EBI incorporates controllers for synchronous DRAM (SDRAM) and Static memories and  
features specific circuitry facilitating the interface for NAND Flash, SmartMedia and  
CompactFlash.  
The device is an ideal migration path for 8/16-bit microcontroller users looking for additional per-  
formance, extended memory and higher levels of system integration.  
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 AT91SAM7SE Series 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, External Bus Interface, Timer Counter, RTT and  
Analog-to-Digital Converters on a monolithic chip, the AT91SAM7SE512/256/32 is a powerful  
device that provides a flexible, cost-effective solution to many embedded control applications.  
1.1  
Configuration Summary of the AT91SAM7SE512, AT91SAM7SE256 and AT91SAM7SE32  
The AT91SAM7SE512, AT91SAM7SE256 and AT91SAM7SE32 differ in memory sizes and  
organization. Table 1-1 below summarizes the configurations for the three devices.  
Table 1-1.  
Configuration Summary  
Device  
Flash Size  
Flash Organization  
dual plane  
RAM Size  
32K bytes  
32K bytes  
8K bytes  
AT91SAM7SE512  
AT91SAM7SE256  
AT91SAM7SE32  
512K bytes  
256K bytes  
32K bytes  
single plane  
single plane  
3
6222ES–ATARM–15-Dec-09  
 
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