Texas Instruments TPS92682EVM, User Manual, Page: 38 / 49

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TPS92682EVM-70 Power UP and Operation
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38 SLUUC13A – May 2019 – Revised August 2019
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Copyright © 2019, Texas Instruments Incorporated
TPS92682EVM Constant Current Two-channel Boost and Boost-to-Battery
The main GUI window appears as shown in Figure 48 . This window includes three sub-windows:
• MCU Control Box (1): includes controls for external PWM
• SPI Command Box (2): is used to manually read from and write to the registers on the SPI BUS
• Devices Box (3): is the main GUI control window to configure the TPS92682-Q1 device
Figure 48. GUI, Main Window
8.1 SPI Command
The SPI command box, allow access to the read from and write to registers. In order to ensure connection
to the TPS92682-Q1, perform the following steps as shown in Figure 49 .
1. Write the register address zero in the Register Address box: 0x00.
2. Click Send twice .
The default value (0x3C) for the register 0 shows in the SPI Status window.
To write to a register, select the Write check-box. Write the desired data in the Write Data box shown in
Figure 49 . Click Send to write the data to the associated register address.