Texas Instruments LP8556TM-Evaluation module LP8556TM-EVM/NOPB LP8556TM-EVM/NOPB Datenbogen
Produktcode
LP8556TM-EVM/NOPB
2.5. Instructions
The LP8556 evaluation kit includes an I2C compatible program and USB docking board that can help exercise the
part in a simple way. Contained in this document is a description of how to use the USB docking board with the
evaluation board and interface software.
part in a simple way. Contained in this document is a description of how to use the USB docking board with the
evaluation board and interface software.
The LP8556 evaluation board has the means to “plug into” the USB docking board. The USB docking board
provides all of the control signals for the simple interface. Power to the part must be provided externally. A
standard USB cable must be connected to the board from a PC.
provides all of the control signals for the simple interface. Power to the part must be provided externally. A
standard USB cable must be connected to the board from a PC.
The I2C compatible interface program provides all of the control that the LP8556 part requires. For proper
operation, first power the evaluation board, then the USB docking board should be plugged into the PC before the
interface program is opened. Once connected, and the program is executed, a basic interface window will open.
operation, first power the evaluation board, then the USB docking board should be plugged into the PC before the
interface program is opened. Once connected, and the program is executed, a basic interface window will open.
Figure 6: LP8556TM-EVM Evaluation Software Window
The USB board is recognized as an HID-compliant device in Windows Device Manager. Successful
communication with the board by the application is confirmed by the Version: field at the bottom of the application
showing the correct USB firmware revision.
The I2C device address is fixed at 0x0C in this program. The sections on the left side are used to update the
registers of the device. The columns of registers on the right are updated by clicking the Readback All button. An
update to the registers on the left does not automatically reflect in the Readback All registers. Just click the
Readback All button to check the results of the actions.
communication with the board by the application is confirmed by the Version: field at the bottom of the application
showing the correct USB firmware revision.
The I2C device address is fixed at 0x0C in this program. The sections on the left side are used to update the
registers of the device. The columns of registers on the right are updated by clicking the Readback All button. An
update to the registers on the left does not automatically reflect in the Readback All registers. Just click the
Readback All button to check the results of the actions.