SX8661Z datasheet(64/87 Pages) SEMTECH

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ADVANCED COMMUNICATIONS & SENSING

DATASHEET

Revision v4.0, February 2016

www.semtech.com

SX8661Z

Low Power, Capacitive Button Touch and Proximity Controller

(8 sensors) with LED Drivers and Analog Output

GPIO Parameters

Address

Name

Bits Description

0x68

GpioPullUpDown7_4

7:6

GPIO[7] Pullup/down

Enables pullup/down resistors for GPIO pins.

00 : None

01 : Pullup

10 : Pulldown

11 : Reserved

5:4

GPIO[6] Pullup/down

3:2

GPIO[5] Pullup/down

1:0

GPIO[4] Pullup/down

0x69

GpioPullUpDown3_0

7:6

GPIO[3] Pullup/down

5:4

GPIO[2] Pullup/down

3:2

GPIO[1] Pullup/down

1:0

GPIO[0] Pullup/down

0x6A

Reserved

7:0

Reserved (0x00)

0x6B

Reserved

7:0

Reserved (0x00)

0x6C

Reserved

7:0

Reserved (0x00)

0x6D

GpioFadingMode7_4

7:6

Fading mode for GPIO[7]

Defines the Fading mode for GPO[7:0].

00: Single Fading Mode

01: Continuous Fading Mode

10: Reseved

11: Reserved

The fading modes are expected to be

defined at power up by the QSM or NVM.

In case the fading modes need to be

changed after power up this can be done

when the GPOs are all OFF.

5:4

Fading mode for GPIO[6]

3:2

Fading mode for GPIO[5]

1:0

Fading mode for GPIO[4]

0x6E

GpioFadingMode3_0

7:6

Fading mode for GPIO[3]

5:4

Fading mode for GPIO[2]

3:2

Fading mode for GPIO[1]

1:0

Fading mode for GPIO[0]

SX8661Z Datasheet(PDF) 64 Page - Semtech Corporation

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