Related Manuals for Broadcom HEDS-9930PRGEVB
Summary of Contents for Broadcom HEDS-9930PRGEVB
- Page 1 HEDS-9930PRGEVB Evaluation Board & Programming Kit User Guide Version 1.0 HEDS-9930 HEDS-9930PRGEVB _UG100 January 27, 2022...
- Page 2 The term “Broadcom” refers to Broadcom Limited and/or its subsidiaries. For more information, please visit www.broadcom.com. Broadcom reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. Information furnished by Broadcom is believed to be accurate and reliable. However, Broadcom does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others.
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Page 3: Table Of Contents
3.0 Board Schematic & Pin Assignment ........................9 3.1 Connector Assignment ............................10 4.0 Code Wheel Drawing .............................. 12 5.0 HEDS-9930PRGEVB Programming USB-SPI Kit ....................13 6.0 AEDR-9930 Gateway Programming GUI ......................14 7.0 AEDR-9930 Gateway SPI Protocol Calibration ....................18... -
Page 4: Heds-9930Evb Evaluation Board
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 1.0 HEDS-9930EVB Evaluation Board 1.1 Top and Bottom Views Mounting slot Mounting hole Figure 1 Bottom Side of the PCB Code wheel OD alignment guide lines Figure 2 Top Side of the PCB 397 LPI NOTE Please remove the protective kapton tape covering the encoder ASIC before use. - Page 5 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit Figure 3 Bottom side of PCB Figure 4 Sample Evaluation Board Mounting with reference to Code Wheel HEDS-9930 HEDS-9930PRGEVB _UG100...
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Page 6: Select Options
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 2.0 Select Options Table 1: Selection Table for AEDR-9930 397 LPI Interpolation SEL1 SEL2 SEL3 Factor IND SEL Index Interpolation 1X - Index Gated 90 deg High Interpolation 1X - Index Gated 180 deg... - Page 7 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit Interpolation 14X - Index Gated 90 deg High High High High Interpolation 14X - Index Gated 180 deg Open Interpolation 14X - Index Gated 360 deg Interpolation 15X - Index Gated 90 deg...
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Page 8: Programmable Select Options
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit NOTE Open selection must be connected to middle of a voltage divider circuit. Recommended to use 2 x 4.7kΩ resistors (Vcc-GND) 4.7kΩ 4.7kΩ 4.7kΩ 4.7kΩ The digital interpolation factor above may be used in conjunction with the equations below to cater to various rotational speed (RPM) and count per revolution (CPR). -
Page 9: Board Schematic & Pin Assignment
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 3.0 Board Schematic & Pin Assignment Figure 1: HEDS-9930EVB Evaluation Board Schematic HEDS-9930 HEDS-9930PRGEVB _UG100... -
Page 10: Connector Assignment
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 3.1 Connector Assignment Table 2: Connector 1 Pin Assignment Connector 1 (Top Side) Label ANA OUT INDEX_SEL SEL1 SEL2 SEL3 AGND/VSSA DGND/VSSD CH_A/A+ CH_A/A- (SPI_DIN) CH_B/B+ CH_BB/B- (SPI_CLK) CH_I/I+(SPI_DOUT) CH_I/I- (CLK_100KHz) The finger design of Connector 1 is match to either of the following card edge connector: 1. - Page 11 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit Table 3: Connector 2 Pin Assignment Connector 1 (Top Side) Label State SEL1 AGND OPEN SEL2 AGND OPEN SEL3 AGND OPEN INDEX_SEL AGND OPEN NOTE Please refer to Table 1 AEDR-9930 397 LPI for the various interpolation selection options available by changing the SEL1, SEL2 &...
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Page 12: Code Wheel Drawing
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 4.0 Code Wheel Drawing For AEDR-9930 evaluation board sample, the matching code wheel sample drawing is as shown in Figure 6 below. Figure 2: AEDR-9930 397 LPI 4-track (CPR) sample code wheel drawing For the detailed drawing of the sample code wheel, please do request from regional FAE. -
Page 13: Heds-9930Prgevb Programming Usb-Spi Kit
In order to program interpolation value other than the ones offered in Table 1 via the SEL1, SEL2 & SEL3 option pins, user may connect to the AEDS-9930 encoder ASIC via SPI interface. Broadcom offers a simple USB to SPI programming kit, together with a PC-based custom program for end user to program in the desired interpolation value. -
Page 14: Aedr-9930 Gateway Programming Gui
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit 6.0 AEDR-9930 Gateway Programming GUI The HEDS-9930PRGEVB kit is to be used together with the AEDR-9930 Gateway.exe to program in the desired interpolation factor into the encoder ASIC. a. Download the zip file from: https://broadcom.ent.box.com/v/HEDS-9930-Programming-Software... - Page 15 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit Select & double click on AEDR-9930 Gateway.exe file. e. Once the AEDR-9930 Gateway.exe program is running, the board should be detected. HEDS-9930 HEDS-9930PRGEVB _UG100...
- Page 16 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit Figure 5: Both amber & green LEDs detected by the AR3_AEDR-9930_Gateway program If the following message appears, please do check on board connections & try again. g. Click “Read” button to read back saved settings from AEDR-9930 encoder ASIC, If existing settings is read out successfully, it will display Interpolation Factor &...
- Page 17 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit iii. If there is communication failure with AEDR-9930, the program will exit, please refer to log.txt file, same as step (g) to check on the error message h. Enter the interpolation factor required (1 to 1024) and index width setting. Press “Program” to save the settings into AEDR-9930.
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Page 18: Aedr-9930 Gateway Spi Protocol Calibration
HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit A message “Program DUT OK!” will appear when the settings is saved successfully into the AEDR-9930. 7.0 Using AEDR-9930 Gateway SPI Protocol to perform Calibration Motor rotation with minimal speed ripple or smooth linear movement is required during calibration. This is to enable Index signals to be automatically adjusted to obtain a good crossover. - Page 19 HEDS-9930PRGEVB User Guide Evaluation Board & Programming Kit HEDS-9930 HEDS-9930PRGEVB _UG100...
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