SX8661 datasheet(72/88 Pages) SEMTECH

Part #	SX8661

Description	Low Power, Capacitive Button Touch and Proximity Controller

PDF	88 Pages

Scroll/Zoom	100%

Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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72 / 88 page

ADVANCED COMMUNICATIONS & SENSING

DATASHEET

Revision v3.2, January 2011

www.semtech.com

SX8661

Low Power, Capacitive Button Touch and Proximity Controller

(8 sensors) with LED Drivers and Analog Output

Address

Name

Bits

Description

Status button 7

Status button 6

Status button 5

Status button 4

Status button 3

Status button 2

Status button 1

0x02

CapStat

Status button 0

Status of individual buttons

0: Released (default)

1: Touched

Table 29

I2C Cap status

Address

Name

Bits

Description

7:4

reserved

NvmValid

Indicates if the current NVM is valid.

0: No – QSM is used

1: Yes – NVM is used

0x08

SpmStat

2:0

NvmCount

Indicates the number of times NVM has been burned:

0: None – QSM is used (default)

1: Once – NVM is used if NvmValid = 1, else QSM.

2: Twice – NVM is used if NvmValid = 1, else QSM.

3: Three times – NVM is used if NvmValid = 1, else QSM.

4: More than three times – QSM is used

Table 30

I2C SPM status

SX8661 Datasheet(PDF) 72 Page - Semtech Corporation

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