STMPE811_08 datasheet(38/54 Pages) STMICROELECTRONICS

tên linh kiện	STMPE811

Giải thích chi tiết về linh kiện	8-bit port expander with advanced touchscreen controller

PDF	54 Pages

Scroll/Zoom	100%

nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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Touchscreen controller

STMPE811

38/54

TSC_DATA

Touchscreen controller DATA

Address:

0x57 (auto-increment), 0x07 (non-auto-increment)

Type:

Reset:

0x00

Description:

Data port for TSC data access

The data format from the TSC_DATA register depends on the setting of "OpMode" field in

TSC_CTRL register. The samples acquired are accessed in "packed samples". The size of

each "packed sample" depends on which mode the touchscreen controller is operating in.

The TSC_DATA register can be accessed in 2 modes:

●

Autoincrement

●

Non autoincrement

To access the 128-sets buffer, the non autoincrement mode should be used.

7654

DATA

[11:0] DATA: data bytes from TSC FIFO

Table 15.

Touchscreen controller DATA register

TSC_CTRL in

operation

mode

Number of

bytes to read

from

TSC_DATA

Byte0

Byte1

Byte2

Byte3

000

[11:4] of X

[3:0] of X

[11:8] of Y

[7:0] of Y

[7:0] of Z

001

[11:4] of X

[3:0] of X

[11:8] of Y

[7:0] of Y

010

[11:4] of X

[3:0] of X

011

[11:4] of Y

[3:0] of Y

100

[7:0] of Z

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