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Home » NEWEST Products » New by Manufacturer » GHI Electronics » ALFAT SoC Processor & OEM/SD/USB Boards - GHI Electronics
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GHI Electronics ALFAT SoC Processor & OEM/SD Boards

GHI Electronics ALFAT SoC Processor & OEM/SD/USB Boards

GHI Electronics ALFAT SoC Processor & OEM/SD/USB Boards offer a seamless way to access files on SD & MMC cards. The ALFAT SoC Processor & OEM Board also provide access to files on USB memory drives. Simple commands are used on UART (serial), SPI, or I²C to access files at high rates. Rates are as high as 4000Kb/sec on both SD and USB memory. The GHI Electronics ALFAT SoC processor, which is at the core of each of the OEM and SD boards, is capable of accessing two USB mass storage devices and one memory card simultaneously. This gives the user unique features such as copying data from one media to another.

Applications
  • High speed data loggers
  • Automated machinery
  • Digital picture viewer
  • Consumer products

GHI Electronics ALFAT SoC Processor


Adding FAT file system to products requires a lot of resources from the system and needs intensive development efforts. This also requires USB Host drivers and SD memory drivers to be able to access storage medias such as SD cards or USB Mass Storage devices. Additionally, licensing patented technologies, such as LFN, is a lengthy and expensive process.

Thanks to the GHI Electronics ALFAT SoC Processor, any simple system can now access files on SD cards and USB memory drives in a very short time, with minimal resources through simple UART, SPI, or I²C interface. The Host MCU controls ALFAT through simple commands sent through UART (serial), SPI or I²C. The commands give the host MCU the ability to access files on the storage media. With ALFAT, the file access rate can reach 4000Kb/sec. An important advantage of ALFAT is that supports Long File Name LFN and it is licensed by Microsoft for commercial use. Solutions that depends on ALFAT can use LFN commercially without the need for any additional licensing.

Features
  • Built-in 2-port USB Host controller
  • FAT16 and FAT32 file system
  • LFN (Long File Name), fully licensed by Microsoft
  • User/machine friendly access through UART, SPI, or I²C
  • No limits on media size, file size, or file/folder count
  • Programmable UART baud-rate
  • Up to 8 simultaneous file access
  • SD/SDHC card support, no 2GB limit; GHI Electronics is an SD association member
  • MMC support
  • 2x USB 2.0 ports, FS 12mbps on both; No need for external USB
    host controllers
  • One USB port is capable of HS 480Mbps through external ULPI PHY
  • High speed 4-bit SD card interface
  • Low power consumption
  • Simple LQFP64 package
  • RoHS compliant/Lead free
Specifications
  • SD cards file access speed: 4000Kb/sec
  • USB file access speed (with ULPI HS PHY): 4000Kb/sec
  • USB FS file access speed: 900Kb/sec
  • Single 3.3V supply
  • Operating temperature:
    -40 to 85ºC

GHI Electronics ALFAT OEM, SD, & USB Boards


GHI Electronics offers off-the-shelf OEM boards that use the ALFAT SoC processor. These boards expose all needed signals to interface with ALFAT over UART, SPI, or I²C and provide convenient connectors like SD or USB connectors. The boards are easily mountable on existing or new product.


ALFAT OEM Link Module

This module gives access to files found on SD Cards and USB memory devices, thanks to the ALFAT chipset. Resource constraint devices, such as the 8-bit FEZ Medusa, can now read and write files easily though simple serial commands. This module is recommended to be used with the FEZ Medusa family of products.

  • Socket: S
  • Includes 1 Gadgeteer cable

ALFAT OEM Board includes
  • SD/MMC connector with push spring
  • Dual USB connector Type A with:
    • Full speed USB 2.0 port
    • High speed USB 2.0 port
  • All required signals exposed through 1x18 pin-mount
  • For UART interface, all required signals exposed through secondary 2x5 pin-mount
  • Datasheet Datasheet

ALFAT SD Board includes
  • SD/MMC connecter with push spring
  • All required signals exposed through 1x16 pin-mount
  • For UART interface, all required signals exposed through secondary 2x5 pin-mount
  • Datasheet Datasheet

ALFAT USB Board includes
  • Seamless access to files on SD & MMC cards
  • Simple commands are used on UART (serial), SPI, or I²C to access files at high rates
  • Rates are as high as 4000KB/s
  • Datasheet Datasheet



ALFAT Architecture

ALFAT Architecture


  • GHI Electronics
  • Development Tools|Embedded Solutions|Semiconductors|Embedded Processors|IC-MCU/MPU|IC-Memory