ST70136

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1 - PIN LIST

The following list gives the different PIN Types:

AI

Analog Input

AIO

Analog Input/Output

AO

Analog Ouptut

DI

Digital Input

DIO

Digital Input/Output

DO

Digital Output

VDDA Analog Power Supply

VDDD Digital Power Supply

VSSA Analog Ground

VSSD Digital Ground

Table 1 : Pin Assignment

Pins

Name

Type

Description

TQFP

LFBGA

1

B2

CTRLIN

DI

Digital input for control interface

2

C3

CTRLOUT

DO

Digital output for control interface

3

C2

R/NW*

DI

Selection of read or write mode for control interface

4

B1

VDDIO

VDDD

I/O buffer supply voltage

5

A1

CLKWD

DO

8.832MHz output clock. Used to synchronize RX/TX word data

exchange, and master clock of register control interface

6

C1

CLKM

DO

35.328MHz Master Clock. Xtal buffer

7

D2

ACTD

O

Tone Detector Activation

8

D1

RX3

DO

Received data output

9

E2

RX2

DO

Received data output

10

E1

RX1

DO

Received data output

11

F2

RX0

DO

Received data output

12

G2

VSSIO

VDDD

I/O buffer ground voltage

13

F1

TX3

DI

Transmit data input

14

G1

TX2

DI

Transmit data input

15

H2

TX1

DI

Transmit data input

16

H1

TX0

DI

Transmit data input

17

E3

VSS

VSSD

Core digital ground

18

G3

TEST

DI

Test mode is activated with TEST=1. Must be tied to ground in normal

mode

19

E4

NRESET*

DI

Reset input. All digital circuitry is well defined after a negative pulse on

this input

20

H3

VDD

VSSD

Core digital supply (3.3V)

21

F3

PWD

DI

Power Down pin

22

G4

SUSPEND

DI

Suspend Mode pin

23

F4

VDDA2

VDDA

ADC supply voltage (5V)

24

H4

VSSA2

VSSA

ADC ground voltage

25

G5

VSAD

VSSA

Substrate voltage for RX-AD path (Must be connected to VSSAx)

26

E5

VSRX

VSSA

Substrate voltage for RXPGA path (Must be connected to VSSAx)

27

H5

VSSA1

VSSA

RXPGA ground voltage

28

H6

RXP

AI

Positive Analog Receive input