UM0401

Running the STMPE801 port expander GUI

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Figure 10.

Screen shot of STMPE801 GUI startup screen

2.1

Running internal registers of STMPE801

The internal registers of the STMPE801 can be read or written to using the "Write Read" tab

in the GUI. Figure 11 shows a screen shot of this function. The radio button device 1 should

be selected if the slave address is 0x82, and radio button device 2 should be selected if the

slave address is 0x88. Making the wrong selection on the device radio buttons generates an

error message as shown in Figure 12.