FM1288-GA1-410 데이터 시트보기 (PDF) - Unspecified

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FM1288-GA1-410

High Performance Voice Processor for Automotive Handsfree

Unspecified 

Controls

TEST2

GPIO

MUTE_IN

MUTE_OUT

VAD_LED

VOL-

VOL+

PWD_

RST_

Lead

Pad Type

14

Digital

17

Digital

20

Digital

21

Digital

22

Digital

25

Digital

26

Digital

30

Digital

31

Digital

Supply

Domain

Description

VDD_D

Voice data by-pass control

VDD_D

GPIO, usage currently undefined

VDD_D

Input control, mutes Line-Out

VDD_D

Mute speaker indicator output

VDD_D

Voice activity indicator output

VDD_D

Volume decrease control

VDD_D

Volume increase control

VDD_D

Power down control

VDD_D

Reset control

Power Supplies

VDD_A

VDD_D

VSS_D

VSS_A

VDD_C

PMB_VREF

PMIC_BIAS

Lead

Description

35

Positive supply for analog circuitry, to 3.3V power supply

19

Positive supply for digital input/output, to 1.8V/3.3V power supply

7,18,29 Ground Connection – Digital Ground

38,45 Ground Connection – Analog Ground

37

Connect via 1uF capacitor to ground, decoupling capacitor is for internal LDO that

generates 1.2V for IC internal circuitry.

34

Connect via 0.47uF capacitor to ground, reference voltage for MIC Bias

36

Microphone Bias output, providing mic bias voltage = 0.9 * VDD_A

12 | P a g e

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