AK2305 datasheet(3/43 Pages) AKM

Part #	AK2305

Description	Dual PCM CODEC for ISDN TERMINAL ADAPTER

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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ASAHI KASEI

[AK2305]

C0029-E-02

3

1999/8

BLOCK DIAGRAM

SMF0

SMF1

AAF0

VR0T

VR0R

CODEC

CH0

PCM I/F

AAF1

VR1R

CODEC

CH1

DTMF

Receiver0

DTO00-03

STD0

DTIN0

VFX0

VRX0

VRX1

TONEGEN0

DTO10-13

STD1

DTIN1

PLL

BCLK

DX0

DR0

DX1

DR1

AVDD

AVSS

DVDD

DVSS

SCLK

Serial

I/F

DATA

CS

LPC

FS0

FS1

GSX0

VFR0

GSR0

VFX1

GSX1

VFR1

GSR1

4

TNOUT

PD

TNOE0

MUTE0

MUTE1

BGREF

AMPT0

AMPR0

AMPT1

AMPR1

S1

TNOE1

DTOE

TONEGEN1

DTMF

Receiver1

4

AUX

Internal

Register

S2

S4

S5

S8

S9

S7

VREF

S6

S3

4

TST2

TST1

47

48

1

2

3

14

13

12

11

10

9

4

46

15

6

7

31

30

29

33

26

27

28

32

25

22

21

8

18

17

37-40

41-44

24

23

20

35

34

36

19

45

16

5

VRTN

VR1T

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Manufacturer	Part #	Datasheet	Description
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