TDA7333

2/21

3

Pin Connection

Figure 3. Pin Connection (Top view)

4

PIN DESCRIPTION

Table 2. Pin Description

Pin No.

Pin Name

Function

1

VDDA

Analog Supply Voltage

2

REF3

Reference voltage 3 of A/D Converter (2.65V)

3

REF2

Reference voltage 2 of A/D Converter (1.65V)

4

REF1

Reference voltage 1 of A/D Converter (0.65V)

5

VSS

Common Ground

6

TM

Testmode Selection (scan test)

7

VDDD

Digital Supply Voltage

8

RESETN

External Reset Input (active low)

9

XTI

Oscillator Input

10

XTO

Oscillator Output

11

SCL_CLK

Clock Signal for I2C and SPI modes

12

SDA_DATAIN

Data Line in I2C mode, Data Input in SPI mode

13

SA_DATAOUT

Slave Address in I2C mode, Data output in SPI mode

14

CSN

Chip Select (1=I2C mode, 0=SPI mode)

15

INTN

Interrupt output (active low), prog. at buff.not empty,buff. full, block A,B,D ,TA, TA EON

16

MPX

Multiplex Input Signal

1

8

7

5

6

TDA7333

3

2

16

9

10

12

11

13

14

15

4

VDDA

REF2

REF3

XTI

XTO

VDDD

VSS

MPX

RESETN

TM

INTN

CSN

SA_DATAOUT

SDA_DATAIN

SCL_CLK

REF1