MB86435 Просмотр технического описания (PDF) - Fujitsu

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MB86435

3 V Single Power Supply Audio Interface Unit (AIU)

Fujitsu 

MB86435

(8) Parallel Output

The LO0 to 3 pins carry latched output for external controls. The data written to address 1000 can be output through

these pins. Output is CMOS output.

Address 1000

D3 D2 D1 D0

LO0

LO1

LO2

LO3

(Inside IC)

2. Analog Input

Analog input signals in the MB86435 include the two microphone inputs and the three accessory input.

(1) Microphone Amps

The microphone amps take the incoming signal from the microphones and amplify it to any desired level of gain.

The microphone lines are low-noise types for use with piezoelectric-ceramic or capacitor microphones, and are

capable of a wide range of amplification. All microphones and amps must be coupled with capacitors to prevent

amplification of offset signals.

Piezoelectric-ceramic type

MICO

MIC

Mic

XMIC

(Inside IC)

SGC

AG

Capacitor type

MICO

MIC

XMIC

(Inside IC)

V DD

SGC

Mic

AG

16

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