FEDL7204-003-02 datasheet(5/214 Pages) LAPIS

Part #	FEDL7204-003-02

Description	VoIP CODEC

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Manufacturer	LAPIS [LAPIS Semiconductor Co., Ltd.]

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

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FEDL7204-003-02

ML7204-003

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PIN DESCRIPTIONS

QFP64

Symbol

I/O

When

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 [Open drain output pin]

4

PCMI

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 synchronous signal 8 kHz input

6

SYNC

I/O

“L”

CLKSEL = ”1”

PCM synchronous signal 8 kHz output

7

DVDD0

—

Digital power supply

8

ACK0B/GPIOA[4]

I/O

I

Transmit buffer DMA access acknowledge signal input

(primary function)

General-purpose I/O port A[4] (secondary function) [5

V tolerant pin]

9

ACK1B/GPIOA[5]

I/O

I

Receive buffer DMA access acknowledge signal input

(primary function)

General-purpose I/O port A [5] (secondary function) [5 V

tolerant pin]

10

FR0B

(DMARQ0B)

O

”H”

FR0B:(FD_SEL = ”0”)

Transmit buffer frame signal output

DMARQ0B: (FD_SEL = ”1”)

Transmit buffer DMA access request signal output

11

FR1B

(DMARQ1B)

O

“H”

FR1B: (FD_SEL = ”0”)

Receive buffer frame signal output

DMARQ1B: (FD_SEL = ”1”)

Receive buffer DMA access request signal output

12

INTB/GPIOA[6]

I/O

“H”

Interrupt request output (primary function)

General-purpose I/O port A [6] (secondary function) [5 V

tolerant pin]

13

CSB

I

Chip select control input

14

RDB

I

Read control input

15

WRB

I

Write control input

16

DGND0

—

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

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FEDL7204-003-02 Datasheet(PDF) 5 Page - LAPIS Semiconductor Co., Ltd.

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