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Wiki DLP4100 » History » Version 29

Frédéric Blanc, 2017-04-26 10:04

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p=. *Wiki DLP4100*
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h1. Overview 
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!hyperholo.png! 
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The DLP® Discovery™ 4100 (D4100) is the latest in a series of spatial light modulation development kits from Texas 
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Instruments.  Users of the D4100 Starter Kit have the ability to manipulate visible, ultraviolet and near-infrared light 
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with extremely high performance and high resolution. 
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 The D4100 offers developers a flexible platform to design products to fit most any application using the proven 
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reliability of DLP technology. 
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!d4100_block_diagram.png!
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Fig 1: System Overview 
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|_.New version |_.Actual|_.Name|
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|DLPC410|DDC4100 (FPGA X5VLX30)|Digital Controller for Discovery 4100 chipset|
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|DLPR410|XCF16|PROM for Discovery 4100 chipset|
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|DLPA200|DAD2000|DMD Micromirror Driver|
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document:"DLPC410 DLP Digital Controller [dlps024c.pdf]"
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h1. Configuration Jumpers, Switch and LED 
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!d4100_configuration.png!
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Fig 2: D4100 Controller Configuration Jumpers, Switch and LED
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*LED1 - USB status*
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CY7C68013A_128
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*LED2 - APPSFPGA status*
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(FPGA PIN N14) 
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|_.LED|_.Status|
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|RED|BAD|
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|GREEN|OK|
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*LED3 - DDC4000 status*
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|_.LED|_.Status|
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|RED|BAD|
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|GREEN|OK|
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*LED9..12 - LED status*
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LED9 - DDC_LED0 Status LED for the DDC4000
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The LED0 signal is typically connected
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to an LED to show that the DLPC410
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is operating normally.
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The signal is 1 Hz with 50% duty cycle,
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otherwise known as the heartbeat
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LED10 - DDC_LED1 Status LED for the DDC4000
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The LED1 signal is typically connected to an LED
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indicator to show the status of system initialization
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and the status of the clock circuits. The LED1 signal
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is asserted only when system initialization is 
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complete and clock circuits are initialized. Logically,
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these signals are ANDed together to show an indication
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of the health of the system. If the Phase Locked 
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Loop (PLL) connected to the data clock and the DMD
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clock are functioning correctly after system
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initialization, the LED will be illuminated
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LED11 - VLED0 This logic is to be defined by the APPSFPGA application. Drive low to turn on the led. Drive high to
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turn off the led(FPGA PIN AK19).
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LED12 - VLED1 This logic is to be defined by the APPSFPGA application. Drive low to turn on the led. Drive high to
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turn off the led(FPGA PIN AJ19).
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*J2 – EXP Voltage Select*
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*J4 – Used to select the revision of firmware loaded from the PROM to the APPSFPGA.*
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|_.Jumper Position|_.Revision Version|
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|open|0|
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|close|1|
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*J5 – Shared USB signal disabled*
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|_.Jumper Position|_.USB Signals|
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|0-1|Disconnected from FPGA |
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|1-2|Connected to FPGA|
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|2-3|Automatically connect USB signals 
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     to FPGA when USB is connected to 
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     host PC |
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*J7 – USB EEPROM Programming Header* 
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Used to temporally disconnect the USB EEPROM fromthe device so the device can load its internal 
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boot loader rather than any code in the EEPROM. Install J8 for Cypress internal boot loader. 
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*J10 – DAD2000 B Output Enable*
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Used to enable the outputs for DAD2000 B. This needs to be enabled only if using the 1080p DMD, 
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otherwise this can be disabled. 
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|_.Jumper Position|_.DAD2000 B Outputs|
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|open|Disabled|
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|close|Enabled|
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*J11 – Used to select the revision of firmware loaded from the PROM to the DDC4100 (FPGA X5VLX30).*
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|_.Jumper Position|_.Revision Version|
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|open|0|
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|close|1|
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*SW1 - Dipswitches*
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Functionality defined by APPSFPGA programming. In default test pattern code:
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|_.Switch Number|_.Effect|_.FPGA PIN|
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|1 |ON = float – float all mirrors|G20|
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|2 |ON = counter halt – stop counter, this will freeze the image on the DMD|G21|
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|3 |ON = complement data – causes DDC 4000 to complement all data it receives|F20|
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|4 |ON = north/south flip – causes the DDC 4000
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to reverse order of row loading, effectively
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flipping the image|G22|
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|5 |Dictates the type of reset being used LSB ON = 1|H15|
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|6 |Dictates the type of reset being used MSB ON = 1|H14|
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||00 : single block phased reset|
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||01 : dual block phased reset|
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||10 : global reset|
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||11 : quad block phased reset|
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|7 |ON = Row Address Mode|H12|
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|8 |ON = WDT Enable, disables other resets|J14|
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*SW2 - Push Button Momentary Switch*
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Functionality defined by APPSFPGA. This switch is used for *APPS_LOGIC_RESET* in the default code.
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(FPGA PIN T24)
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*SW3 - Push Button Momentary Switch*
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Functionality defined by APPSFPGA. This switch is used for *APPS_LOGIC_MIRROR_FLOAT* in the default code.
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(FPGA PIN P10)
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*SW4 - POWER STANDBY*
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h1. Power Down
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*%{background:yellow}To ensure long term reliability of the DMD, a shutdown procedure must be executed.%*
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Prior to power removal, assert the PWR_FLOAT (Table 1) signal and allow approximately 300μs for the procedure to
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complete. This procedure will assure the mirrors are in a flat state. For more details, please refer to the
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appropriate DMD document.
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h1. USB
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The USB EEPROM does not have any code only VID/PID data.  Here is a sequence of USB initialization:    
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    When a board is plugged in by USB the Windows D4100 USB driver sees the unprogrammed TI VID/PID.  (The Windows D4100 USB driver is installed with the Explorer software.)
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    Then it loads a program directly into the Cypress USB (not the EEPROM) and runs it.  (This loads the firmware through USB)
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    This sets the Cypress VID/PID to show that the part is programmed and allows communication with the Board.
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This is only the first part.  To communicate with the DMD a different APPS_FPGA program (D4100_GUI_FPGA.bin) must be loaded that can communicate with the Cypress USB.
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When the D4100 Explorer is started it checks to see if D4100_GUI_FPGA.bin is loaded in the FPGA and programs the FPGA if it not.
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This program can also be loaded by invoking the DLL function directly from another program (see the API Programmer’s Guide)
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Once loaded then the other API DLL functions can be used to load and reset image data. 
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*%{background:yellow}If you have one of the ViALUX ALP versions you will need to contact them concerning this since their software uses proprietary communication protocols with the D4100.%*