STEVAL-IPE023V1

UM1750 User manual STEVAL-IPE023V1: STPMxx programmer Introduction This evaluation board is a tool for programming the STPMxxx energy meter ICs family. The board has been developed to provide an insulated USB interface between a PC and the STPMxx evaluation boards. The PC runs the GUI to program and read the internal registers of the energy meter device. The board includes the following sections shown in Figure 1: • USB interface • Power management • Microcontroller • Insulated SPI connector Figure 1. STPMxxx programming tool block diagram June 2014 DocID026235 Rev 1 1/21 www.st.com Contents UM1750 Contents 1 2 3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Recommended reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.3 Getting technical support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.4 Package list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 STPMxx programming tool board components . . . . . . . . . . . . . . . . . . . 5 2.1 Microcontroller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.2 Debug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.3 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.4 Power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.5 Insulated metrology board connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.6 Status LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.7 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.7.1 Jumper placement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.7.2 Jumper position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.7.3 Jumper description and default value . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.8 Pushbutton description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.9 Connectors description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.9.1 STM32 JTAG connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.9.2 Metrology IC board connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.9.3 GPIOs connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 STPMxx programming tool operation . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.1 Normal operation mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 3.2 DFU mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 4 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2/21 DocID026235 Rev 1 UM1750 Overview 1 Overview 1.1 Recommended reading This document describes how to configure and use the STPMxxx programming tool board. Additional information can be found in the following documents: 1.2 • ST devices datasheets referenced in this document • Third party device datasheets • UM0412 • UM1488 Safety precautions The board can be connected to a high voltage AC metrology board (D.U.T.) as it offers galvanic insulation to the digital section. This board is strictly intended for use by expert technicians. Due to the high voltage (220 VAC) involved, special care must be taken with regard to personal safety. There is no protection against accidental human contact with high voltages. After disconnection of the board from the mains, the live parts must not be touched immediately due to the energized capacitors. It is mandatory to use a mains insulation transformer to perform any tests on the board in which test instruments such as spectrum analyzers or oscilloscopes are used. Do not connect any oscilloscope probes to high voltage sections in order to avoid damaging instruments and demonstration tools. Warning: 1.3 ST assumes no responsibility for any consequences which may result from the improper use of this tool. Getting technical support Technical assistance is provided free to all customers. For technical assistance, documentation, upgrades and information about products and services, please refer to your local ST distributor/office. 1.4 Package list The STPMxxx programming tool board package includes the following items: • The STPMxxx programming tool board (Figure 2) • A CD-ROM with software and documentation DocID026235 Rev 1 3/21 21 Overview UM1750 Figure 2. STPMxxx programming tool board 4/21 DocID026235 Rev 1 UM1750 2 STPMxx programming tool board components STPMxx programming tool board components The board includes a USB interface, a power management unit, a microcontroller and an insulation section for the SPI connector to the energy metrology board being tested. 2.1 Microcontroller The system is managed by the STM32F103 microcontroller. It is based on the 32-bit ARM Cortex-M3 core with 72 MHz maximum frequency, 384 KB Flash and 64 KB SRAM embedded memories; for further details please refer to the STM32F103 high density family datasheets. 2.2 Debug Software debug is via a 10-pin JTAG connection; it is possible to use a 10-pin to 20-pin adapter to use standard 20-pin JTAG tools. Figure 3. JTAG Connector Table 1 shows the pin out of the JTAG connector. Table 1. JTAG pin out PIN number Function 1 3.3V 2 TMS 3 GND 4 TCK 5 GND 6 TDO DocID026235 Rev 1 5/21 21 STPMxx programming tool board components UM1750 Table 1. JTAG pin out (continued) 2.3 PIN number Function 7 N.C. 8 TDI 9 GND 10 nRESET Reset The Reset sources are: • Power on reset • JTAG reset from an in-circuit emulator • The RESET button (SW1). 2.4 Power supply The board is powered directly by the USB connector. It includes a linear voltage regulator. The power supply is based on the LD1117ADT33TR device. The insulated section is powered by an insulated DC-DC module (U5). Figure 4. Power supply section 6/21 DocID026235 Rev 1 UM1750 2.5 STPMxx programming tool board components Insulated metrology board connection The metrology board under test is connected by an insulated connector compatible with all meter IC evaluation boards: • STEVAL-IPE010V2 • STEVAL-IPE016V1 • STEVAL-IPE017V1 • STEVAL-IPE018V1 Figure 5. Power supply section The STPMxx is controlled by the MCU with an SPI communication bus and digital control line. Table 2 shows the MCU resources mapping for energy meter IC management: Table 2. STM32F resources - STPMxx function mapping STM32F resource Energy meter function PA9 SYN SPI1-MISO (PA6) SDA/MISO SPI1-MOSI (PA7) MOSI SC1-SCLK (PA5) SCL PA4 SCS These signals are insulated by two buffers which are driven by two GPIOs mapped as shown in Table 3: Table 3. STM32F resources - Buffers function mapping STM32F resource Buffer function PA3 Output Enable (active low) PA8 Input Enable (active low) DocID026235 Rev 1 7/21 21 STPMxx programming tool board components 2.6 UM1750 Status LEDs Table 4. LED description and STM32W mapping LED Function D1 Application activity (green) D3 USB activity (red) D2 USB data receiving activity (yellow) 2.7 Jumpers 2.7.1 Jumper placement Figure 6. Jumper placement 2.7.2 Jumper position Figure 7. Jumper position 8/21 DocID026235 Rev 1 UM1750 2.7.3 STPMxx programming tool board components Jumper description and default value Table 5. Jumpers descriptions 2.8 Jumper Description Default J4 Power Supply option for D.U.T. board: 1-2: 3.3V 2-3: 5V 2-3 Pushbutton description Table 6. Pushbutton descriptions 2.9 Button Description (MCU mapping) SW1 (RESET) MCU reset Connectors description Figure 8. General purpose connectors position Table 7. Connector descriptions Connector Description CN1 USB type-B connector J2 GPIOs connector J3 Metrology board connector J1 JTAG connector DocID026235 Rev 1 9/21 21 STPMxx programming tool board components 2.9.1 UM1750 STM32 JTAG connector Figure 9. STM32 10 pin JTAG connector Table 8. JTAG connector pin mapping 2.9.2 Pin Description Pin Description 1 VCC 6 TDO 2 TMS 7 N.C. 3 GND 8 TDI 4 TCK 9 GND 5 GND 10 Reset Metrology IC board connector Figure 10. Energy meter calibration connector Table 9. Energy meter connector pin mapping 10/21 Pin Description Pin Description 1 N.C 6 SCL 2 MOSI 7 N.C. 3 GND 8 SYN 4 SDA 9 N.C. 5 SCS 10 Vcc DocID026235 Rev 1 UM1750 2.9.3 STPMxx programming tool board components GPIOs connector Figure 11. GPIOs connector description DocID026235 Rev 1 11/21 21 STPMxx programming tool operation UM1750 3 STPMxx programming tool operation 3.1 Normal operation mode For normal operation, the board implements virtual COM port functionality for PC communication via USB. Before connecting it to a PC for the first time, install the STM32 Virtual COM Port Driver which is available for download at the following ST web page: http://www.st.com/internet/mcu/product/216826.jsp. The board is designed to be used with a dedicated PC GUI for STPMxx energy meter family ICs. The GUI for STPMC1 evaluation boards is available for download at the following ST web page: http://www.st.com/internet/evalboard/product/252571.jsp. For more details, refer to “UM1488: STPMC1 evaluation software”. The GUI for STPM01 evaluation boards is available for downloading at the ST web page. For more details, refer to user manual UM1599: The STPM01 and STPM1x evaluation software. 3.2 DFU mode The board supports firmware upgrade via USB connection. To boot the MCU in DFU mode, connect (using a jumper) pin 1 and pin 3 of the GPIOs connector; as soon as the board starts the DFU procedure, LED D3 (Red) turns on. Before running the board in this mode, you should install the DFU demonstration software on the PC; it is available for download at the following ST web page: http://www.st.com/internet/mcu/product/216826.jsp. For more details regarding STM32 DFU functionality, refer to the following user manual: UM0412: Getting started with DfuSe USB device firmware upgrade STMicroelectronics extension. The board was tested with version 3.0.2 of the DFU software. 12/21 DocID026235 Rev 1 UM1750 4 Test circuit Test circuit Figure 12. TOP 86%'3 86%'0 86%B36 86%B36 6730[[&21 86%'3 86%'0 0&8 Q287B(1 Q,1B(1 Q287B(1 Q,1B(1 6730B6