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Atmel's ARM9-Based MCU Supports Real Time 'Smart' Control Panels
San Jose, California (ots/PRNewswire) -
- AT91SAM9RL64 Integrates ARM926EJ-S with On-Chip LCD & Touch Screen Controllers, USB High-Speed Device, 64k Byte SRAM configurable as TCM, 24-channel DMA and 6-layer Bus
Atmel(R) Corporation (Nasdaq: ATML), announced today its AT91SAM9RL64 ARM9-based interactive GUI microcontroller with high throughput, ideal peripherals and OS support to implement "smart" control panel applications that can provide access to content including user manuals, video clips and audio, as well as offering a robust interface to system control functions. The SAM9RL64 can be used as the main processor in a system or as the co-processor dedicated to the user interface. A USB High Speed link provides the bandwidth to transfer streaming video between the host- and the AT91SAM9RL64 co-processor.
User Experience. The buttons, dials, switches and joysticks typically used to control electronic products are rapidly being replaced by touch screens with icons that beat or zoom when selected or fly over the screen as the user navigates through the available content. Increasingly, systems are voice activated, being able to both talk and listen to the user. Interactive video content is replacing static lists and instructions.
While 8- and 16-bit microcontrollers are used for user interfaces in cost sensitive consumer applications, they are, however, not capable of dealing with the amount of processing and data movement required to manage a state-of-the-art interactive graphical user interface. Atmel's AT91SAM9RL64 is a single-chip "smart" panel solution with 200-plus MIPS, a 6-layer bus matrix and DMA on all on-chip peripherals to support the high data rates associated with screen refresh, image processing, user interaction and the creation of the dynamics guaranteeing a good user experience. On-chip peripherals include LCD and touch screen controllers, USB High Speed device, 24 DMA channels, an MCI/SDIO interface, 5 UARTs, SPI, dual SSC, AC'97, 6 Timers, 4 PWMs with high-drive I/Os, dual TWI and a battery backup RTC with associated registers.
Large On-chip Tightly Coupled SRAM Supports Deterministic Processing. In addition to the 4 Kbytes each of data and instruction cache, the SAM9RL64 supports deterministic processing with an additional 64 Kbytes of SRAM, arranged in four 16 KB blocks, that can be configured as data or instruction Tightly Coupled Memory (TCM) that bypasses the cache to provide single cycle access at the maximum 200 MIPS clock frequency. The TCM may also be configured as local memory for on-chip peripherals connected to the multi-layer bus. At system boot, the SRAM is connected to the multi-layer bus allowing the DMA controller to copy the real-time critical code from non-volatile storage, such as NAND or DataFlash(R). After the code has been shadowed in the SRAM, the memory blocks can be reconfigured as TCM.
Development Tools and Operating System Support. Atmel provides the GNU gcc C compiler and GNU gdb debugger free of charge. Commercial licenses from IAR(R) (C compiler -- Embedded Workbench(TM) -- Real-time Operating System (RTOS) -- Powerware), Mentor Graphics(R) (RTOS -- Nucleus PLUS & User Interface middleware -- Inflexion), Micrium(R) (RTOS -- uCOS/II), ExpressLogic(R) (RTOS -- ThreadX(R)) and Microsoft(R) (Windows(R) CE -- .NET Framework) are currently being ported for a complete embedded application prototyping. Atmel provides a software package with register descriptions and device drivers for all peripherals and project examples that ease the use of the microcontroller. An evaluation board is available for benchmarking and a quick start in the development.
Availability and Pricing. The AT91SAM9RL64 is available in a 217-pin 15x15mm 0.8mm ball pitch BGA package. It is priced at US $6.85 in volumes of 10,000 units.
Atmel is a worldwide leader in the design and manufacture of microcontrollers, advanced logic, mixed-signal, nonvolatile memory and radio frequency (RF) components. Leveraging one of the industry's broadest intellectual property (IP) technology portfolios, Atmel is able to provide the electronics industry with complete system solutions focused on consumer, industrial, security, communications, computing and automotive markets.
Atmel offers a wide variety of microcontrollers and references that support the implementation interactive graphical user interfaces.
SAN JOSE, California, January 21 /PRNewswire/ --
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Atmel's AT91SAM9RL64 product information may be retrieved at
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Peter Bishop, Communications Manager, Atmel Rousset,
+33-0-4-42-53-61-50, firstname.lastname@example.org, or Helen Perlegos,
Public Relations, +1-408-487-2963, email@example.com, both of Atmel