2000 Apr 04

19

Philips Semiconductors

Product specification

Multistandard dual carrier stereo sound decoder

TDA9873H

Table 2

Note

1. This data word H80 (device identification code) is read from the subaddress 254 which is set in the last write transfer.

Table 3

Table 4

Definition of the transmitted byte after read condition

S

SLAVE ADDRESS

R/W = 0

A

SUBADDRESS

A S

SLAVE ADDRESS

R/W = 1

A

DATA

AN

P

NAME

DESCRIPTION

S

START condition; generated by the master

SLAVE ADDRESS

101 101 1; pin MAD not connected (standard)

101 101 0; pin MAD connected to ground (pin programmable)

R/W

logic 0 (write); generated by the master

logic 1 (read); generated by the master

A

acknowledge; generated by the slave

SUBADDRESS

111 111 10 (254)

DATA

slave transmits the device identification code 80H; note 1

AN

acknowledge not; generated by the master

P

STOP condition; generated by the master

S

SLAVE ADDRESS

R/W = 1

A

DATA

AN

P

NAME

DESCRIPTION

S

START condition; generated by the master

SLAVE ADDRESS

101 101 1; pin MAD not connected (standard)

101 101 0; pin MAD connected to ground (pin programmable)

R/W

logic 1 (read); generated by the master

A

acknowledge; generated by the slave

DATA

slave transmits an 8-bit data word

AN

acknowledge not; generated by the master

P

STOP condition; generated by the master

MSB

LSB

D7

D6

D5

D4

D3

D2

D1

D0

1

0

0

Y

Y

DS

ST

PONR