TABLE OF CONTENTS Overview ..........................1 Block Diagram ............................2 XD230 ..............................3 XD1030 ..............................4 XD1230 ..............................5 Power Connector ............................ 6 DE9 RS-232 Connector .......................... 6 DA15 Switch/LED Connector ........................7 Ethernet ..............................9 USB ................................. 9 DE15 VGA Connector ..........................9 Triple RCA Component HD Video Connector ..................
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Environmental and Power Usage ..................13 Mechanical .......................... 14 Theory of Operation ......................17 Power Supply ............................17 Reset ..............................17 BCM7421 CPU ............................. 17 Built-in Flash ............................17 SDRAM ..............................17 Serial Port ............................. 18 Video Encoder and Filter ........................18 Audio Outputs ............................
OVERVIEW The BrightSign XD230, XD1030, and XD1230 players can be used to decode images, audio, and up to two HD video streams for digital sign and kiosk applications. In addition to driving video and audio displays, these players can be controlled with various networked and built-in interfaces.
DE9 RS-232 Connector The RS-232 connector is a male DE9. Like PCs, BrightSign XD players are DTE devices. The input to the chip accepts a range between +25V and -25V, so it is compatible with standard +12V and -12V signaling.
The connector can also supply 3.3V at up to 500mA to an external device. The 3.3V output is polyfuse-protected and can source up to 500mA. If one BrightSign player is driving the inputs on another BrightSign player, then you can drive at most three inputs from one output. The following calculations explain this limitation: Note: The GPIO outputs have 100 Ω...
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Here is the DA15 female as viewed from the front of the BrightSign XD1030 and XD1230: A button/LED/IR board can be used to demonstrate the GPIO and IR functions on a BrightSign player. This board is built by a third-party manufacturer and can be purchased upon request.
BrightSign XD players are designed to be used between 0°C and 40°C, at 90% maximum relative humidity, non- condensing. The power supply on the BrightSign XD series is 36W and 12V at 3A. These players will use approximately 1A of power when playing a 720p or 1080i MPEG2 HD source file.
There are seven voltage levels present in the player: 12V, 5V, 3.3V, 2.5V, 1.8V, 1.5V, and 1V. Reset BrightSign XD players have a Low Voltage Reset circuit. This circuit will hold the RESET_L signal low until a valid 3.3V power source is present.
NAND Flash BrightSign players have a built-in NAND flash. All the code for the player is stored on the NAND flash, and it may also be possible to store some content on the NAND flash, which is connected directly to the BCM7421.
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