Datasheet

System and identification registers STMPE811
24/65 Doc ID 14489 Rev 6
SPI_CFG SPI interface configuration
Address: 0x08
Type: R/W
Reset: 0x01
Description: SPI interface configuration register
[1] TSC_OFF: Switch off the clock supplyto the touchscreen controller
1: Switches off the clock supply to the touchscreen controller
[0] ADC_OFF: Switch off the clock supply to the ADC
1: Switches off the clock supply to the ADC
76543 2 1 0
RESERVED AUTO_INCR SPI_CLK_MOD1 SPI_CLK_MOD0
[7:3] RESERVED
[2] AUTO_INCR:
This bit defines whether the SPI transaction follows an addressing scheme that internally
autoincrements or not
[1] SPI_CLK_MOD1:
This bit reflects the value of the SCAD/A0 pin during power-up reset
[0] SPI_CLK_MOD0:
This bit reflects the value of the SCAD/A0 pin during power-up reset