Coretronic PBP-II Interactive Pen User Manual DDP2000 User Guide
Coretronic Corp. Interactive Pen DDP2000 User Guide
User Manual
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| Document ID | 1371737 |
| Application ID | W4ch2hgrwEwsph8i2RKBxw== |
| Document Description | User Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 18.02kB (225209 bits) |
| Date Submitted | 2010-11-05 00:00:00 |
| Date Available | 2010-11-05 00:00:00 |
| Creation Date | 2010-11-04 16:59:48 |
| Producing Software | Acrobat Distiller 7.0 (Windows) |
| Document Lastmod | 2010-11-04 17:36:28 |
| Document Title | DDP2000 User Guide |
| Document Creator | PScript5.dll Version 5.2.2 |
| Document Author: | a0691538 |
DLP® Products for Coretronic Interactive Pen -- PBP II Interactive Module --PBM r 's i d Product Specification Interactive Pen and Interactive Module user manual Preliminary TI Confidential - NDA Restrictions PointBlank Product Specification, Rev A Contents CONTENTS .................................................................................................................................... IV TABLES .......................................................................................................................................... V FIGURES......................................................................................................................................... V SCOPE ..................................................................................................................................... 1 APPLICABLE DOCUMENTS .................................................................................................. 1 OVERVIEW .............................................................................................................................. 2 DETAILED DESCRIPTION...................................................................................................... 3 4.1 POINTBLANK HARDWARE ..................................................................................................... 3 4.1.1 PointBlank FPGA ....................................................................................................... 5 4.1.2 PointBlank Radio Transceiver .(PBM)........................................................................ 5 4.1.3 PointBlank Pointing Device .(PBP II).......................................................................... 5 4.2 POINTBLANK WIRELESS....................................................................................................... 6 4.3 POINTBLANK SOFTWARE ..................................................................................................... 6 4.4 OPERATING CONDITIONS ..................................................................................................... 7 TI Confidential – NDA Restrictions IV PointBlank Product Specification, Rev A Tables TABLE 1 POINTBLANK OPERATING CONDITIONS ................................................................... 7 Figures FIGURE 1 POINTBLANK SYSTEM DIAGRAM ............................................................................. 2 FIGURE 2 POINTBLANK DDP2431 ELECTRONICS DIAGRAM.................................................. 3 FIGURE 3 POINTBLANK DDP2230 ELECTRONICS DIAGRAM.................................................. 4 TI Confidential – NDA Restrictions Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures: - Reorient or relocate the receiving antenna. - Increase the separation between the equipment and receiver. - Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. - Consult the dealer or an experienced radio/TV technician for help. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Industry Canada Statement This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions: 1) this device may not cause interference and 2) this device must accept any interference, including interference that may cause undesired operation of the device IMPORTANT NOTE: IC Radiation Exposure Statement: This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. NCC FOR PBM ID FOR PBP PointBlank Product Specification, Rev A Scope This document specifies the functional and performance parameters of the PointBlank enabled DLP® component set. PointBlank is supported on DDP2230 and DDP243x platforms by adding additional hardware and software components to the reference design. These additions are defined in this document. Applicable Documents DDP2230 Reference Design Documentation DDP2431 Reference Design Documentation TI Confidential – NDA Restrictions PointBlank Product Specification, Rev A Overview A PointBlank enabled DLP® projector provides an interactive white board capability without requiring a white board or special screen. The PointBlank system is comprised of a laptop or desktop computer with USB mouse capability, a PointBlank enabled DLP® projector and a pointing device with a light sensor and RF transmitter. The PointBlank™ system is depicted in Figure 1. projected image with proprietary PointBlank encoding light sensor measurement PointBlank-enabled PointBlank-enabled PBM DLP® projector PBP II oint denvice pointing Pnen en vce Interactive feedback via RF mouse via USB HID PC or laptop image source (VGA, DVI) Figure 1 PointBlank System Diagram The computer sources an image to the projector over VGA, DVI/HDMI or another interface. The PointBlank enabled projector displays the source image with special encoded patterns that the pointing device measures and transmits back to the projector over the RF link. These measurements allow the PointBlank projector to determine the screen location that the pointing device is directed at. Once the pointer location is known, the projector software sends it to the computer using the USB Human Interface Device (HID) interface. Standard Microsoft drivers intercept these coordinates just as a standard mouse device would send them and interacts with the application being projected accordingly. While any mouse driven application can interact with the PointBlank projector, additional application software can be developed to enhance how the pointing device can interact with the computer. The system does not require any calibration and can work over a wide range of screen lumens, screen sizes, pointing device distance from screen and ambient lighting conditions. It also works TI Confidential – NDA Restrictions PointBlank Product Specification, Rev A for any input computer source supported by the projector and independent of projector settings such as keystone, scaling mode, etc. The PointBlank patterns are not visible to the viewer, except for an increase in the black level and a small decrease in the red, green and blue lumens. Depending on the DLP sequence approach, there can be some color distortion of the black level as well. Since the PointBlank patterns affect the projector contrast and lumens, a non PointBlank mode can also be supported and is recommended to maintain projector specifications relative to brightness, contrast and color points. Detailed Description 4.1 PointBlank Hardware The PointBlank hardware additions to the DDP2431 and DDP2230 reference designs are shown in Figure 2 and Figure 3, respectively. They include a PointBlank FPGA inserted between the DDP ASIC and the DMD, a RF radio transceiver and some changes to the GPIOs. Due to the additional software memory required for the PointBlank functionality either SRAM or SDRAM is required for DDP2230 and SRAM is required for DDP2431. FLASH SRAM Sequence Sequence OEM ARM Software TITIARM ARM Software Software Monitor Video DDR2 PointBlank Radio Transceiver 16 32MHz VGA Component Data 30 AFE1000 AFE1000 Control DAD2000 DAD2000 SPI_1, GPIO CSP S- Video I2C Composite HDMI/DVI DDP2431 16 pair 32 HDMI/DVI HDMI/DVI Receiver Receiver PointBlank FPGA DMD DMD SPI_0 USB RS- 232 PMD1000 1.2, 2.5, 3.3, 5, 1.8, 1.8PLL POSENSE, PWRGOOD Fan #1, #2, #3 12V Motor Drive EEPROM EEPROM Temp 3.3 Included in DLP Component Set along with DMD Components Added for PointBlank Regulators PointBlank FPGA 1.2, 2.5 Figure 2 PointBlank DDP2431 Electronics Diagram TI Confidential – NDA Restrictions PointBlank Product Specification, Rev A 20MHz FLASH SDRAM Or SRAM Monitor Video Sequence Sequence OEM ARM Software Data ADC XCG 320MHz 400MHz 27 Control DAD2000 DAD2000 SPI_1, GPIO I2C DDP2230 HDMI/DVI PointBlank Radio Transceiver 100MHz VGA CDCDLP223 20MHz TITIARM ARM Software Software 16 Component XDR XDR DRAM DRAM HDMI/DVI HDMI/DVI Receiver Receiver 16 pair 32 PointBlank FPGA DMD DMD SPI_0 S- Video Composite Video Decoder BT656 USB RS-232 12V PMD1000 & 1.8V Regulator DC Supplies POSENSE, PWRGOOD Fan #1, #2, #3 Motor Drive EEPROM EEPROM Temp 3.3 Regulators PointBlank FPGA 1.2, 2.5 Included in DLP Component Set along with DMD Components Added for PointBlank Figure 3 PointBlank DDP2230 Electronics Diagram TI Confidential – NDA Restrictions PointBlank Product Specification, Rev A 4.1.1 PointBlank FPGA The PointBlank FPGA receives LVDS image data from the DDP ASIC. Under control of the software and sequences in the DDP ASIC, it inserts the PointBlank patterns into the normal image data and outputs it to the DMD. The LVDS inputs in the FPGA do not have internal termination resistors so external parallel termination must be added on the PCB. TI recommends using filled vias for these signals at the FPGA so the termination resistors can be placed across the vias. The FPGA is a LFE2-12E-5FN256CB9 made by Lattice Semiconductor. Firmware and an I/O spec for the part are available on the PointBlank Knowledge Base. Further information on the FPGA is available on the Lattice Semiconductor website. The FPGA requires 3.3V, 2.5V and 1.2V. The 3.3V is powered directly from the 3.3V from the PMD1000. The 2.5V and 1.2V should be generated with linear regulators from the 3.3V. See the reference design for details. 4.1.2 PointBlank Radio Transceiver (PBM) The TI reference design uses an eZ430-RF2500 2.4GHz radio transceiver development board. This board’s main components are a TI CC2500 2.4GHz transceiver and a TI MSP430F2274. Documentation for this board and its components is available on the TI website (www.ti.com). Additional information on antenna selection is also available. The DDP ASIC communicates with the radio board with a SSP (SPI) bus 1. The MSP430 is the master and the DDP ASIC is the slave. The DDP ASIC can request data from the MSP430 by asserting a GPIO pin (request to send). See the DDP2230 PointBlank reference design schematic for details on the connections between the DDP2230 and the eZ430-RF2500 board. 4.1.3 PointBlank Pointing Device (PBP II) The PointBlank pointing device utilizes a photodiode to sense the amount of light in the projected image. Optics in the pointing device reduces the field of view of the photodiode so the pointing device sees a relatively small portion of the screen from a typical user distance. TI uses a 36mm lens with a 2mm aperture located at the focal length of the lens just in front of the photodiode. For a 75in diagonal XGA image and the pointing device located 55 in from the screen the spot size has a horizontal diameter of about 3.7in or 62 pixels. It is important to minimize any light reflections inside the optics housing as these can degrade performance at the edges of the screen. Current from the photodiode is converted to a voltage with a trans-impedance amplifier. The output of the trans-impedance amplifier is high passed filtered to reject DC and 120Hz ambient light sources. After filtering the signal is gained up with a programmable gain amplifier. The output is then sampled with an ADC in a MSP430. The measurements are sent to the projector over a 2.4GHz wireless link. The pointing device utilizes a TI CC2500 radio transceiver to transmit messages and receive configuration. See the reference design for more details on the pointing device electronics. TI Confidential – NDA Restrictions PointBlank Product Specification, Rev A 4.2 PointBlank Wireless The PointBlank wireless interface is a peer to peer protocol between the projector and one or more pointing devices. The radio operates in the 2.4GHz ISM band and is based on TI’s SimpliciTI network protocol. At the start of operation the projector and pointing device are put in a pairing mode to establish a link. Once linked the radio transceiver in the projector receives measurement data from the PointBlank pointing device and can send configuration data to the PointBlank pointing device. Since the radio uses the 2.4GHz ISM band there is potential for interference from other wireless devices operating in the same band such as wireless LAN (WLAN), Zigbee, Bluetooth, Wireless USB, wireless phones, microwave ovens and others. The PointBlank wireless protocol utilizes multiple channels and automatically selects the channel with the least interference. 4.3 PointBlank Software The PointBlank software includes special versions of the DDP ASIC API and application software and DLP composer libraries. In addition, software API and application code are provided for the MSP430 in the pointing device and projector. TI Confidential – NDA Restrictions II only) About Your Interactive Pen (forPBP S500wi Top View Bottom View Replaceable nib Lens Control panel LED indicators ar Security bar Power Sw Switch Firmware upgrade port Ch Mini USB Charge port CAUTION: Safety Instructions 1 Do not use the projector near appliances that generate a lot of heat. 2 Do not use the projector in areas where there is an excessive amount of dust. The dust may cause the system to fail and the projector will automatically shutdown. 3 Ensure that the projector is mounted in a well-ventilated area. 4 Do not block the ventilation slots and openings on the projector. 5 Ensure the projector operates between ambient temperatures (5ºC to 35ºC). 6 Do not try to touch the ventilation outlet as it can become very hot after the projector has been turned on or immediately after it is turned off. 7 Do not look into the lens while the projector is on as it may cause injury to your eyes. 8 Do not place any objects near or in front of the projector or cover its lens while the projector is on as the heat may cause the object to melt or burn. 10 Your Dell Projector
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