SOMPLC-F28PLC83

User's Guide SPRUHR4B – November 2013 – Revised June 2015 SOMPLC-F28PLC83 System on Module for Power Line Communication The SOMPLC-PLC83 is a self-contained hardware system on module (SOM) for power line communication, including the analog front end and the digital modem on one single PCB. It is the ideal plug-in tool for developers willing to easily and quickly evaluate the most popular narrowband power line communication standards like PRIME/G3/P1901.2 in their application environment. After the developer brings up the high voltage coupling, the SOM easily plugs into the application with standard communication ports (UART, SPI, I2C, CAN) through a connector header interface. The SOM also plugs into the TI data concentrator reference design and future PLC development tools. Hardware schematics and Gerber files are also available to simplify integration into the application PCB. 1 2 3 4 5 6 7 Contents SOMPLC Features .......................................................................................................... SOMPLC Description........................................................................................................ Boot Modes (SW1 Positions) ............................................................................................... UART SCI Communication ................................................................................................. SOMPLC 34-Pin Definition ................................................................................................. Mechanical Specification.................................................................................................... PLC SOM Programming .................................................................................................... 2 2 3 3 3 5 5 List of Figures 1 PCB Overview ................................................................................................................ 2 2 SW1 Boot Modes ............................................................................................................ 3 3 34-Pin Connector Top View ................................................................................................ 5 4 Programming Configuration Using XDS100 .............................................................................. 6 5 Port Configuration 6 Programming Progress Using XDS100 ................................................................................... 7 7 Programming Configuration Using Serial Port ........................................................................... 8 8 Programming Progress Using Serial Port ................................................................................ 9 ........................................................................................................... 6 List of Tables 1 Supported Interfaces ........................................................................................................ 3 2 34-Pin Connector ............................................................................................................ 4 All trademarks are the property of their respective owners. SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback SOMPLC-F28PLC83 System on Module for Power Line Communication Copyright © 2013–2015, Texas Instruments Incorporated 1 SOMPLC Features 1 SOMPLC Features • • • • • • • • • 2 www.ti.com Small size: 1.5 in x 1.9 in PRIME and G3 Compatible F28PLC83 PLC engine with VCU CENELEC A functionality AFE031 integrated analog front end 34-pin mini header for interfacing with other boards Multiple serial communications interfaces available including UART, SPI, I2C, and CAN Additional ADC interface Additional GPIO interfaces SOMPLC Description Figure 1 shows an overview of the SOMPLC PCB and its components. Figure 1. PCB Overview 2 SOMPLC-F28PLC83 System on Module for Power Line Communication SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Boot Modes (SW1 Positions) www.ti.com 3 Boot Modes (SW1 Positions) Figure 2 shows how to set the boot mode using switch SW1. ON FLASH Boot Mode (Default Setting) Position 1: OFF Position 2: OFF 1 2 ON SCI-A Boot Mode Position 1: OFF Position 2: ON 1 2 Figure 2. SW1 Boot Modes 4 UART SCI Communication To communicate with the SCI, the following requirements must be met. Baud Rate = 57600 Message Data Bits = 8 Stop Bits = One Parity = None Handshake = None RTS Enable = True NOTE: There is no RS232 driver on the SOMPLC. Therefore, external communications with RS232 devices must be considered external to this design. 5 SOMPLC 34-Pin Definition Table 1 shows the interfaces and connections that are supported on this module. Table 2 describes each pin in the 34-pin connector. Table 1. Supported Interfaces Required Connections • • • • • SCI (UART) Line 15 V 3V3 GND SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Optional Connections • • • • • • • • ADC GPIOs SCI (UART) CAN SPI I2C Zero Cross Analog Gnd SOMPLC-F28PLC83 System on Module for Power Line Communication Copyright © 2013–2015, Texas Instruments Incorporated 3 SOMPLC 34-Pin Definition www.ti.com Table 2. 34-Pin Connector 4 Pin Name I/O Electrical 1 L1 I/O 0 V (GND) Description 2 L2 I/O 0 V (±6 V Peak) 3 NC NC - Unused 4 NC NC - Unused 5 GND - - Ground 6 GND - - Ground 7 V15 - +15 V to +18 V 8 3V3 - +3.14 V to 3.47 V 9 EN I-I/O -0.3 V to VCC + 0.3 V 10 ZC I -0.5 V to 6.5 V 11 RX-A I -0.3 V to VCC + 0.3 V Asynchronous serial host transmit, SCI-A Neutral (analog ground), connected to the PL coupler Analog PLC signal, connected to the PL coupler Power supply pin (+15V). Peak current 400 mA in transmit mode. (average 100mA) CPU and Logic Digital Power pin (+3.3V). Max current 1000mA. System enable (logical level, active high). Controls power up and power down of the module. When low, the module goes to power down mode. This feature is NOT yet implemented in software or GPIO13. Buffered ZC input. The input signal MUST be isolated from the power line before entering this pin. 12 TX-A O -0.3 V to VCC + 0.3 V Asynchronous serial host receive, SCI-A 13 Phase B/GPIO I-I/O -0.3 V to VCC + 0.3 V Phase B enable signal (for 3-phase selection) or GPIO5 14 Phase C/GPIO I/O -0.3 V to VCC + 0.3 V Phase C enable signal (for 3-phase selection ) or GPIO10 15 SDAA I/O -0.3 V to VCC + 0.3 V I2C data pin 16 SCLA I -0.3 V to VCC + 0.3 V I2C clock pin 17 ADC-B0 I -0.3 V to VCC + 0.3 V Unused ADC input. (ADC-B0). 18 AGND - - 19 GPIO26 I/O -0.3 V to VCC + 0.3 V 20 GND - - 21 GPIO27 I/O -0.3 V to VCC + 0.3 V Analog Ground. Unused multi-purpose IO, GPIO26 Ground Unused multi-purpose IO, GPIO27 22 GND - - 23 CAN RX/GPIO I-I/O -0.3 V to VCC + 0.3 V Ground CAN RX interface or GPIO30 24 CAN TX/GPIO O-I/O -0.3 V to VCC + 0.3 V CAN TX interface or GPIO31 25 CLKA/GPIO I -0.3 V to VCC + 0.3 V SPI clock or general purpose I/O (GPIO18). 26 STEA/GPIO I -0.3 V to VCC + 0.3 V SPI slave transmit enable or general purpose I/O (GPIO19) 27 SIMOA/GPIO I -0.3 V to VCC + 0.3 V SPI slave in, master out or general purpose I/O (GPIO16) 28 SOMIA/GPIO O -0.3 V to VCC + 0.3 V SPI master in, slave out or general purpose I/O (GPIO17) 29 System RESET I -0.3 V to VCC + 0.3 V Reset of SOMPLC (active Low) 30 GPIO04 I/O -0.3 V to VCC + 0.3 V Unused multi-purpose IO pin, GPIO04. 31 NC NC - Unused 32 NC NC - Unused 33 RX-B I -0.3 V to VCC + 0.3 V Asynchronous serial host receive, SCI-B 34 TX-B O -0.3 V to VCC + 0.3 V Asynchronous serial host transmit, SCI-B SOMPLC-F28PLC83 System on Module for Power Line Communication SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated Mechanical Specification www.ti.com 6 Mechanical Specification The connectors used on the SOMPLC are as follows: • A male 0.05-mil header (2 x 17) is on the SOMPLC module. – This connector is keyed so that the module cannot be placed backwards. – An example part that fits this design is Sullins Connector Solutions part number SBH31-NBPB-D17SP-BK, Digi-Key part number: S9108-ND • A female 0.05 mil receptacle (2x17) should be used on the host board to mate with the SOMPLC module. – This connector is keyed and should follow the appropriate orientation as the male connector. – An Example Part that will fit this design is Sullins Connector Solutions part number SFH31-NPPBD17-SP-BK, Digi-Key part number: S9117-ND The top view of the connector is shown in Figure 3. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Figure 3. 34-Pin Connector Top View 7 PLC SOM Programming Depending on the end use of the SOM, different versions of the PLC software may be programmed to the module. 7.1 Using the XDS100 and CodeSkin to Program the F28069 MCU Programming with this method eliminates the need for CCS to load the release(.out) file. A .hex release file is used instead and, therefore, CCS is not required. 1. Install the desired Texas Instruments PLC Development Package from www.ti.com/plc. 2. Download, install, and start the latest C2Prog from http://www.codeskin.com. SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback SOMPLC-F28PLC83 System on Module for Power Line Communication Copyright © 2013–2015, Texas Instruments Incorporated 5 PLC SOM Programming www.ti.com 3. Set switch SW1 to "FLASH Boot Mode" as described in Section 3. 4. Connect a Texas Instruments XDS100 class emulator to the SOMPLC module using the 14-pin JTAG header. 5. Power up the SOMPLC module by applying both 15 V and 3.3 V through the 34-pin host connector. 6. Program the *.hex file (located in C:\Texas Instruments\\SW\bin) as shown in Figure 4. Select "28069,67,66" in the Target pulldown list and "JTAG" in the Options pulldown list. Figure 4. Programming Configuration Using XDS100 7. Click on the Configure Ports button and set the JTAG port to "XDS100v1". Figure 5. Port Configuration 6 SOMPLC-F28PLC83 System on Module for Power Line Communication SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated PLC SOM Programming www.ti.com 8. Start flashing the F28069. Figure 6. Programming Progress Using XDS100 9. After programming is complete, close the program and restart the SOMPLC module. 7.2 Using Code Composer Studio and JTAG Emulator to Program the F28069 MCU If an XDS100 emulator is not available, Code Composer Studio (CCS) and an XDS510 or XDS560 emulator can be used to program the device. Install CCS v4.2.4 or higher before you start the following procedure. 1. Install the desired Texas Instruments PLC Development Package from www.ti.com/plc. 2. Set switch SW1 to "FLASH Boot Mode" as described in Section 3. When a JTAG emulator is used, it is capable of interrupting the set boot mode to gain control of the MCU. When the programming procedure is complete it will be necessary for the mode to be set to "FLASH Boot Mode" for the SOMPLC module to continue to work properly. 3. Power up SOMPLC module by applying both 15V and 3.3 V through the 34-pin host connector. 4. Connect the emulator to the SOMPLC module with the 14-pin JTAG cable. 5. Open CCS 6. Create a F28069 target configuration 7. Connect to F28069 device. 8. Load the PLC-specific *.out firmware located in c:\Texas Instruments\\SW\bin) CCS flashes the firmware onto the F28069 device. SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback SOMPLC-F28PLC83 System on Module for Power Line Communication Copyright © 2013–2015, Texas Instruments Incorporated 7 PLC SOM Programming 7.3 www.ti.com Using a Serial Port (RS232 or SCI) to Program the F28069 MCU In some situations, you can connect the SOMPLC module directly to a computer's serial port using RS232 communications. In this scenario, you must have a host board that can converting the RS232 communications protocol to work with the F28069 SCI-A port. In most cases, this can be done using an external RS232 driver device such as the MAX3221ECPWR by Texas Instruments. If this is in place, the following procedure can be used to program the MCU. 1. Install the desired Texas Instruments PLC Development Package from www.ti.com/plc. 2. Download, install, and start the latest C2Prog from http://www.codeskin.com. 3. Make sure the SOMPLC module is not powered on. Set switch SW1 to "SCI-A Boot Mode" as described in Section 3. 4. Connect SOMPLC module to the RS232 host using the appropriate cable. 5. Power up the SOMPLC module by applying both 15 V and 3.3 V through the 34-pin host connector. 6. Program the *.hex file (located in c:\Texas Instruments\\SW\bin) as shown in Figure 7. If a UART cable is used, serial port should be selected. Otherwise, if a USB-serial cable is used, JTAG port should be selected. Figure 7. Programming Configuration Using Serial Port 7. Start flashing the F28069. 8 SOMPLC-F28PLC83 System on Module for Power Line Communication SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated PLC SOM Programming www.ti.com Figure 8. Programming Progress Using Serial Port 8. After programming is complete, close the program and remove the power supply from the SOMPLC module. 9. Make sure the SOMPLC module is powered off. Set switch SW1 to "FLASH Boot Mode" as described in Section 3. 10. The programming procedure is now complete. You may now apply power to the SOMPLC module. SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback SOMPLC-F28PLC83 System on Module for Power Line Communication Copyright © 2013–2015, Texas Instruments Incorporated 9 Revision History www.ti.com Revision History Changes from March 30, 2015 to June 30, 2015 ............................................................................................................. Page • Figure 3: Removed references to 'female' connector; maintained the use of '34-pin connector.' .............................. 5 NOTE: Page numbers for previous revisions may differ from page numbers in the current version. 10 Revision History SPRUHR4B – November 2013 – Revised June 2015 Submit Documentation Feedback Copyright © 2013–2015, Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale supplied at the time of order acknowledgment. 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