AT91RM9200 SPI DRIVER

In this document, an EK board will be assumed for the purposes of examples and output. Another communication channel such as ethernet should be used instead. All these packages are automatically loaded when configuring for the EK or DK targets. Its System Controller manages interrupts, clocks, power, time, debug and reset, significantly reducing the external chip count and minimizing power consumption. It targets applications requiring enhanced performance such as host processors for system control and connectivity.

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Another communication channel such as ethernet should be used instead.

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The AT91RM has a fully featured system controller for efficient system management, including two on-chip oscillators and PLLs, clock generator, advanced interrupt controller AICdebug unit DBGUperiodic interval timer, watchdog timer and real-time clock with alarm interrupt. All these packages are automatically loaded when configuring for the EK or DK targets.

In this document, an EK board will be assumed for the purposes of examples and output. Examples include telematics systems connecting GPS receivers and GPRS communications, industrial automation, medical at91rm920 and point-of-sales terminals. It targets applications requiring enhanced performance such as host processors for system control and connectivity.

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The original port was undertaken using arm-elf-gcc version 3. Typical core supply is 1.

This can happen over either a serial line or over ethernet. In industrial temperature, worse case conditions the maximum clock frequency is 48MHz.

If either of these devices is needed xt91rm9200 the application, either directly or via the serial driver, then it cannot also be used for RedBoot communication.

CONFIG_SPI_ATMEL: Atmel SPI Controller

It is supported by an Evaluation Board and extensive application development tools. Its System Controller manages interrupts, clocks, power, time, debug and reset, significantly reducing the external chip count and minimizing power consumption. The topmost block is used to manage the flash and hold RedBoot fconfig values. This documentation is expected to be read in conjunction with the AT91RM processor HAL documentation and further device support and subsystems are described and documented there.

An integrated Voltage Regulator permits single supply at 3.

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Psi Peripheral DMA Controller channels eliminate processor bottlenecks during peripheral-to-memory transfers. Its extensive peripheral set includes a USB 2. The remaining blocks can be used by application code.

This driver is also loaded automatically when configuring for the EK or DK targets. For typical eCos development, a RedBoot image is programmed into the flash memory, and the board will boot into this image from reset.

That package is automatically loaded when configuring for the EK or DK targets. The AT91RM microcontroller offers a flexible configuration of on- and off-chip memories together at91rm9200 an extensive set of peripherals for control, communication at1rm9200 data storage purposes. It supports both Linux and Windows CE. RedBoot provides gdb stub functionality so it is then possible to download and debug stand-alone and eCos applications via the gdb debugger.