SX8661Z datasheet(59/87 Pages) SEMTECH

Part #	SX8661Z

Description	Low Power, Capacitive Button Touch and Proximity Controller with LED Drivers and Analog Output

PDF	87 Pages

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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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

5.7

Buzzer Parameters

Buzzer

Parameters

Address

Name

Bits

Description

0x37

BuzzerCfg

7:6

Defines the phase 1 duration.

0x00: ~ 5ms

0x01: ~ 10ms

0x02: ~ 15ms

0x03: ~ 30ms

5:4

Defines the phase 2 duration.

0x00: ~ 5ms

0x01: ~ 10ms

0x02: ~ 15ms

0x03: ~ 30ms

Defines the buzzer idle level (BuzzerLevelIdle).

0x0: min level (0V)

0x1: max level (VDD)

2:0

Defines the buzzer pwm prescaler value.

0x38

BuzzerFreqPhase1

7:0

Defines the frequency for the first phase of the buzzer.

freq ≈ 4MHz /(2^prescaler * BuzzerFreqPhase1)

0x39

BuzzerFreqPhase2

7:0

Defines the frequency for the second phase of the buzzer.

freq ≈ 4MHz /(2^prescaler * BuzzerFreqPhase2)

0x3A

Reserved

7:0

Reserved (0x00)

Table 22

Buzzer Parameters

The buzzer parameters are described in section 3.6.

SX8661Z Datasheet(PDF) 59 Page - Semtech Corporation

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