MB86434 데이터 시트보기 (PDF) - Fujitsu

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MB86434

5V Single Power Supply Audio Interface Unit (AIU)

Fujitsu 

MB86434

s BLOCK DIAGRAM

SGO (59) SGC (3) VRH (2) BTPO (64) BTPI (63) BBO (60)

DOUT

(10)

SYNC

(7)

CLK

(8)

DIN

(9)

PTBO

(50)

OP1

(48)

IM1

(49)

OP2

(46)

IM2

(47)

BTO

(45)

IM3

(44)

BBI

(43)

TONEO

(31)

TCLK

(24)

TONC

(25)

VDDAB

VDDAC

VDDSP1

VDDSP2

VDD

SPG1

SPG2

CAG

BAG

DG

VREF

generator

VREF generator block

BPF

SGC

A/D

Codec block

PLL

0 dB (TYP)

D/A

512K

–7.5 to 8dB

EV1 0.5dB step

LPF

5bit

0 dB (TYP) 0 dB

EV0

5bit

SGC

–7.5 to 8dB

0.5dB step

Sending block

SW3

Microphone amp Œ

SW4

Microphone amp 

SW11

SW10

SGC

–

+ AMP1

SGC

–

+

AMP2

SGC

AMP3

–

+

1/2 cycle

1/4 cycle

TONC

0 dB (TYP)

–16 to 12dB

EV2 4.0dB step

3bit

Accessory block

SW14

Receiving block

1/N cycle

TONC

TONE Œ

generator

1/N cycle

TONC

TONE 

generator

SW2

0 dB (TYP)

EV3

+

Single-10dB v 5bit

dual -10dB v

–7.5 to 8dB

0.5dB step

TONE generator

SW12

0 dB

SW8

PD

–

+

SGC

0 dB

SW6

–

+

PD

0 dB

PD

–

+

SGC

Receiver speaker drive block

0 dB

–6dB

SW7

–

+ PD

Earphone speaker drive block

Tone generator block

SGC

SW9

–

+ PD

0 dB

DATA LATCH

P SAVE

Control block

– PD

+

SGC

Tone speaker drive block

MICO

(58)

MIC

(57)

XMIC

(56)

JMICO

(55)

JMIC

(54)

XJMIC

(53)

SWI

(29)

SWO

(28)

TENV

(27)

DSDT

(30)

RAUD

(32)

EAR

(36)

XEAR

(35)

JEAR

(34)

IMTON

(41)

TONE

(40)

XTONE

(39)

: Digital input

SRD SRC STB XPRST LO0 LO1 LO2 LO3

(16) (17) (18) (19) (20) (21) (22) (23)

PSC0 PSC1 PSC2 LED

(13) (14) (15) (26)

: Digital output

: Analog input

: Analog output

: Input/output

: VDD

: GND

6

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