ML7074-004 datasheet(4/98 Pages) LAPIS | VoIP CODEC

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ML7074-004 Datasheet(PDF) 4 Page - LAPIS Semiconductor Co., Ltd.

Part #	ML7074-004

Description	VoIP CODEC

Download	98 Pages

Scroll/Zoom	100%

Manufacturer	LAPIS [LAPIS Semiconductor Co., Ltd.]

Direct Link	http://www.lapis-semi.com/

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ML7074-004

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PIN DESCRIPTIONS

Pin

No.

Symbol

I/O PDNB = “0”

Description

1

TST1

I

“0”

Test control input 1: Normally input “0”.

2

TST0

I

“0”

Test control input 0: Normally input “0”.

3

PCMO

O

“Hi-z”

PCM data output

4

PCMI

I

I

PCM data input

I

CLKSEL = “0”

PCM shift clock input

5

BCLK

I/O

“L”

CLKSEL = “1”

PCM shift clock output

I

CLKSEL = “0”

PCM sync signal 8 kHz input

6

SYNC

I/O

“L”

CLKSEL = “1”

PCM sync signal 8 kHz output

7

DVDD0





Digital power supply

8

ACK0B

I

I

Transmit buffer DMA access acknowledge signal input

9

ACK1B

I

I

Receive buffer DMA access acknowledge signal input

10

FR0B

(DMARQ0B)

O“H”

FR0B: (CR11-B7 = “0”)

Transmit buffer frame signal output

DMARQ0B: (CR11-B7 = “1”)

Transmit buffer DMA access request signal output

11

FR1B

(DMARQ1B)

O“H”

FR1B: (CR11-B7 = “0”)

Receive buffer frame signal output

DMARQ1B: (CR11-B7 = “1”)

Receive buffer DMA access request signal output

12

INTB

O

“H”

Interrupt request output

“L” level is output for about 1.0

s when an interrupt is generated.

13

CSB

I

I

Chip select control input

14

RDB

I

I

Read control input

15

WRB

I

I

Write control input

16

DGND0



I

Digital ground (0.0 V)

17

D0

I/O

I

Data input/output

18

D1

I/O

I

Data input/output

19

D2

I/O

I

Data input/output

20

D3

I/O

I

Data input/output

21

D4

I/O

I

Data input/output

22

D5

I/O

I

Data input/output

23

D6

I/O

I

Data input/output

24

D7

I/O

I

Data input/output

25

D8

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

26

D9

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

27

D10

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

28

D11

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

29

D12

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

30

D13

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

31

D14

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

32

D15

I/O

I

Data input/output

Fix to input state when using in 8-bit bus access (CR11-B5 = “1”).

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