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Friday, May 06, 2011

Renesas moves mobile chip to SODIMM modules for embedded apps

Works with Cogent on system-on-module
By Nick Flaherty www.flaherty.co.uk

Renesas Electronics has teamed up with Cogent Computer Systems to puts its SH-Mobile SH7724 chip onto a System On Module (SOM) for low cost, rapid development of embedded systems.
The SH-Mobile R-Series is an application processor based on Renesas SH-Mobile series, which is widely used in mobile phones in Japan and other countries. It was developed to allow advanced multimedia functions of the SH-Mobile device such as camera processing, and video and audio processing, to be applied in fields other than mobile phones. 
The processor incorporates multi-codec, high-performance video processing IP supporting the H.264/MPEG-4 AVC (H.264) video compression standard used by ISDB-T terrestrial digital broadcasts in Japan, as well as the One-Seg format used for terrestrial digital broadcasts in Europe, China and other regions. To support playback and recording of HD (high definition, 1280 × 720 pixels) video, functionality is provided for encoding (recording) and decoding (playback) of HD-format video at 30 frames per second (fps). Also, the operating frequency of 500MHz provides power to spare when running a general-purpose operating system (OS) such as Linux.
In addition to the these features, camera input has been increased to two channels and an Ethernet MAC (Media Access Control) supporting data transfer at 10/100 megabits per seconds (Mbps) has been newly added. This extends the range of suitable applications beyond low-end navigation systems, where Renesas Electronics’ application processors already have an extensive track record, to include IP security cameras, videoconferencing systems, video and voice over IP (V2IP), networked household appliances, drive recorders, digital signage, etc.
Cogent’s CSB765 SOM module provides more time, at less cost and less risk, for engineers to create their unique products, based on the proven Renesas Electronics SH-Mobile SH7724 applications processor.
The GPIO and peripherals are made available via the low cost 200-pin SODIMM edge connector. 

Specifications
  • 500MHz SH-4A superscalar core (900 DMIPS) with 32 KB I-cache/32 KB D-cache
  • 256KB L2 cache and 128KB on-chip high-speed media SRAM
  • IEEE754-compliant single-/double-precision FPU (3.5GFLOPS)
  • 128MB low-power mobile LPDDR-333 SDRAM
  • 64MB S29GL512N flash, with secure 256 byte sector and 128-bit unique ID
  • On-chip LCD controller up to 1280 x 720 pixels with 2D graphics, scaling and rotation
  • Hardware video decoding up to 720P, MPEG-4, H.264, JPEG and WMV
  • 8bit video-input port supporting YUV4:2:2, CCIR656 and CMOS sensors up to 5MP
  • Sound processing unit with dual 24-bit MAC DSP, 160KB program and 264KB data RAM
  • High-speed (480MBit) USB 2.0 OTG port and USB host port
  • On-chip 10/100Mbit Ethernet controller
  • DS1339 real-time clock with dedicated battery backup input
  • 2-wire RS-232 debug serial port plus three 2-wire TTL UARTS (with GPIO handshaking)
  • I2S, SPI (x2) and I2C (x2) for I/O expansion such as touch, audio, A/D, D/A, etc.
  • Dual SD/MMC controllers (4-bit, SDIO-compliant)
  • Buffered 25-bit address/16-bit data bus for generic expansion
  • 10 dedicated GPIO (may also carry some CPU functions)
  • On-board, wide input (6V to 24V) 3.3V regulator provides 3A to the target board
  • <750mw typical, 1500mw maximum, <20mw sleep to RAM
Pricing and Availability
More information about the CSB765 SOM can be found at www.cogcomp.com/csb_csb765.htm. For pricing and availability, contact NuHorizons http://www.nuhorizons.com/.
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