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Hardware User Manual - eDEV-BF5xx
2.1.1 Powering
Last change: 21 June 2013
Version 2.1
The eDEV-BF5xx must be powered externally by connecting a DC source to the DC-plug. The Voltage can
vary between 7V and 24V.
The on-board regulators are generating the 5.0V supply for the SADA and the 3.3V supply for the Core
Module and all other devices.
2.1.2
Data Line Buffering
To guarantee that devices externally connected to the EBI are working without any problems, line buffers are
connected to the 32-bit data bus. For buffering the 74LVT16245MTD with 3-state outputs is used.
2.1.3
USB
There are two USB connectors on the development board. One is connected to an UART to USB converter
(X8), the second to the USB 2.0 Device controller (X7).
The CP2102 USB to UART Bridge from Silicon Labs is connected to the UART0 of the Blackfin. This USB
connection is easy to use and ideal for debug outputs on the PC. The needed Drivers are available on the
manufacturer’s website: http://www.silabs.com/products/mcu/Pages/USBtoUARTBridgeVCPDrivers.aspx .
The UART is also available on a standard 4-pin 2.54mm pitch header. To change the UART routing the right
switcher setting (S5) has to be made.
The NET2272 USB Device controller from PLX Technology is connected to the EBI. If the Controller won’t be
used, he can be disabled by setting the right configuration on the DIP-Switches (see chapter 5.5). The
NET2272 is USB V2.0 compliant and provides a high speed USB connection to a USB Host.
2.1.4
Ethernet
The LAN9218 is a 10/100 Base-T Ethernet Controller from SMSC with integrated MAC and PHY. The
controller is fully IEEE 802.3/802.3u compliant; the PHY supports HP-Auto-MDIX.
2.1.5
SD-Card
The SD-Card slot is located on the bottom side of the board. The cards are connected via SPI to the
Blackfin, a 4-bit parallel data transmission mode is not supported.
2.1.6
Image Sensors (BLT-ISM-Connector)
The 30-pin ZIF socket allows connecting Image Sensor Modules (ISM) from Bluetechnix. The ISM is
connected to the PPI0 of the Core Module. There are a various number of ISMs available. Please check out
our website for an actual list of available modules.
2.1.7
RGB-TFT Display
Another ZIF socket (40-pin) is allows connecting a TFT-Display to the PPI1 of the Core Module. The
connector is compatible with different TFT Displays from EDT (Emerging Display Technologies). Contact
Bluetechnix for a list of currently supported displays.
Template No.: 900-306 / A
Page | 9
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