SX8663 datasheet(54/64 Pages) SEMTECH

Part #	SX8663

Description	Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output

PDF	64 Pages

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Manufacturer	SEMTECH [Semtech Corporation]

Direct Link	http://www.semtech.com

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54 / 64 page

ADVANCED COMMUNICATIONS & SENSING

Rev5 4

th August 2011

www.semtech.com

SX8663

Capacitive Button Matrix (up to 36) and Proximity Controller

with Individual LED Drivers and Buzzer Output

6.4

Status Registers

Address

Name

Bits

Description

Reserved

NVM burn interrupt flag

SPM write interrupt flag

Reserved

Sensors interrupt flag

Compensation interrupt flag

0x00

IrqSrc

Operating Mode interrupt flag

Interrupt source flags

0: Inactive (default)

1: Active

INTB goes low if any of

these bits is set.

More than one bit can be

set.

Reading IrqSrc clears it

together with INTB.

Table 17

Interrupt Source

The delay between the actual event and the flags indicating the interrupt source may be one scan period.

IrqSrc[6] is set once NVM burn procedure is completed.

IrqSrc[5] is set once SPM write is effective.

IrqSrc[2] is set if a sensor event occurred (touch/close or release/far if enabled). CapStatKeys show the detailed

status of the sensors.

IrqSrc[1] is set once compensation procedure is completed either through automatic trigger or via host request.

IrqSrc[0] is set when actually entering Active or Doze mode via host request. CompOpmode shows the current

operation mode.

SX8663 Datasheet(PDF) 54 Page - Semtech Corporation

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