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| 型号： | AT91SAM9260-EK |
| 厂商： | Atmel |
| 文件页数： | 14/45页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR AT91SAM9260 |
| 产品培训模块： | MCU Product Line Introduction |
| 标准包装： | 1 |
| 系列： | AT91SAM 智能 ARM |
| 类型： | MCU |
| 适用于相关产品： | AT91SAM9260 |
| 所含物品： | 评估板、并行缆线和光盘 |
| 相关产品： | AT91SAM9260B-CU-999-ND - IC MCU ARM9 217LFBGA AT91SAM9260B-QU-ND - IC ARM9 MCU 208-PQFP AT91SAM9260B-CU-ND - IC ARM9 MCU 217-LFBGA |
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21
SAM9260 [SUMMARY]
6221LS–ATARM–15-Oct-12
Downloads and runs an application from external storage media into internal SRAM
Downloaded code size depends on embedded SRAM size
Automatic detection of valid application
Bootloader on a non-volatile memory
SPI DataFlash connected on NPCS0 and NPCS1 of the SPI0
8-bit and/or 16-bit NAND Flash
SAM-BA Monitor in case no valid program is detected in external NVM, supporting
Serial communication on a DBGU
USB Device Port
8.1.1.2 BMS = 0, Boot on External Memory
Boot on slow clock (On-chip RC or 32,768 Hz)
Boot with the default configuration for the Static Memory Controller, byte select mode, 16-bit data bus, Read/Write
controlled by Chip Select, allows boot on 16-bit non-volatile memory.
The customer-programmed software must perform a complete configuration.
To speed up the boot sequence when booting at 32 kHz EBI CS0 (BMS=0), the user must take the following steps:
1.
Program the PMC (main oscillator enable or bypass mode).
2.
Program and start the PLL.
3.
Reprogram the SMC setup, cycle, hold, mode timings registers for CS0 to adapt them to the new clock.
4.
Switch the main clock to the new value.
8.2
External Memories
The external memories are accessed through the External Bus Interface. Each Chip Select line has a 256-Mbyte
memory area assigned.
Refer to the memory map in Figure 8-1 on page 19.
8.2.1
External Bus Interface
Integrates three External Memory Controllers
Static Memory Controller
SDRAM Controller
ECC Controller
Additional logic for NAND Flash
Full 32-bit External Data Bus
Up to 26-bit Address Bus (up to 64MBytes linear)
Up to 8 chip selects, Configurable Assignment:
Static Memory Controller on NCS0
SDRAM Controller or Static Memory Controller on NCS1
Static Memory Controller on NCS2
Static Memory Controller on NCS3, Optional NAND Flash support
Static Memory Controller on NCS4 - NCS5, Optional CompactFlash support
Static Memory Controller on NCS6-NCS7
8.2.2
Static Memory Controller
8-, 16- or 32-bit Data Bus
Multiple Access Modes supported
Byte Write or Byte Select Lines
相关PDF资料 |
PDF描述 |
|---|---|
| 1331-271K | INDUCTOR SHIELDED 0.27UH SMD |
| 1331-222K | INDUCTOR SHIELDED 2.20UH SMD |
| 1331-221K | INDUCTOR SHIELDED 0.22UH SMD |
| 1331-182K | INDUCTOR SHIELDED 1.80UH SMD |
| 1331-181K | INDUCTOR SHIELDED 0.18UH SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT91SAM9260-QU | 功能描述:ARM微控制器 - MCU 2x4kB SRAM 180MHz - PWM RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 处理器系列:STM32F373xx 数据总线宽度:32 bit 最大时钟频率:72 MHz 程序存储器大小:256 KB 数据 RAM 大小:32 KB 片上 ADC:Yes 工作电源电压:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:LQFP-48 安装风格:SMD/SMT |
| AT91SAM9261 | 制造商:Atmel Corporation 功能描述:ARM9 PROCESSOR W/LCD CONTROLLER - Bulk |
| AT91SAM9261_08 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers |
| AT91SAM9261_09 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers |
| AT91SAM9261_0903 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:AT91 ARM Thumb-based Microcontrollers |
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