STMPE812 datasheet(18/51 Pages) STMICROELECTRONICS

部件名	STMPE812

功能描述	S-Touch® enhanced 4-wire resistive touchscreen controller with PWM

PDF	51 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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18 / 51 page

System and identification registers

STMPE812

18/51

Doc ID 17732 Rev 3

PORT_FUNCTION

Port function control register

Address:

0x04

Type:

R/W

Reset:

0x00

Description:

Port function control register.

Port function:

'00' - GPIO input

'01' - GPIO output

'10' - ADC input (P0/P1 only)

'11' - Special function

Special function for:

P0 - NONE

P1 - PWM

P2 - RESET input (low pulse > 4 µs triggers a hard-reset)

P3 - INT output

SCRATCH_PAD

Scratch pad register

Address:

0x06 - 07

Type:

R/W

Reset:

0x00

Description:

General purpose scratch pad register. Could be used for testing of serial interface

reliability.

7654

PORT 3 FUNCTION

PORT 2 FUNCTION

PORT 1 FUNCTION

PORT 0 FUNCTION

0000

[7:6] PORT 3 FUNCTION

[5:4] PORT 2 FUNCTION

[3:2] PORT 1 FUNCTION

[1:0] PORT 0 FUNCTION

7654

SCRATCHPAD

0000

[15:0] SCRATCHPAD

Obsolete

Product(s)

- Obsolete

Product(s)

STMPE812 数据表(PDF) 18 Page - STMicroelectronics

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