STMPE811_08 datasheet(20/54 Pages) STMICROELECTRONICS

Part #	STMPE811

Description	8-bit port expander with advanced touchscreen controller

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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System and identification registers

STMPE811

20/54

SPI_CFG

SPI interface configuration

Address:

0x08

Type:

R/W

Reset:

0x01

Description:

SPI interface configuration register

7654

3

2

1

0

RESERVED

AUTO_INCR

SPI_CLK_MOD1

SPI_CLK_MOD0

[7:3] RESERVED

[2] AUTO_INCR: Bitfield description

This bit defines whether the SPI transaction follows an addressing scheme that internally

autoincrements or not

[1] SPI_CLK_MOD1: Bitfield description

This bit reflects the value of the SCAD/A0 pin during power-up reset

[0] SPI_CLK_MOD0: Bitfield description

This bit reflects the value of the SCAD/A0 pin during power-up reset

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