SAA7710T Ver la hoja de datos (PDF) - Philips Electronics

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SAA7710T

Dolby* Pro Logic Surround; Incredible Sound

Philips Electronics 

Philips Semiconductors

Dolby* Pro Logic Surround;

Incredible Sound

Product specification

SAA7710T

Table 2 Slave address

MSB

LSB

0

0

1

1

1

1

A0

R/W

Table 3 Location of input selector control register bits in I2C-bus serial transmission; note 1

MSB

LSB

DATAH

DATAL

15 14 13 12 11 10 9 8 A 7 6 5 4 3 2 1 0 A P

Note

1. Explanation for the contents of the register bits:

a) A = standard I2C-bus acknowledge.

b) Number = bit number according to Table 4.

c) P = standard I2C-bus STOP condition.

Table 4 Input selector control bits

SYMBOL

SEL-IN1/IN2

DIS_BCKWS

ENA-I2S3

IMODE

FUNCTION

I2S input 1 or I2S input 2 input

disable I2S_BCKOUT and I2S_WSOUT

enable I2S_DATAOUT3

I flag resets/background tasking

NUMBER OF BITS

1

1

1

1

ON RESET

IN1(0)

enable(0)

disable(0)

resets(0)

BIT NO

5

7

13

15

XRAM format

The XRAM block consists of 256 18-bit RAM locations 0 to 255 and is located on the absolute address range of 0000H

to 00FFH. The I2C-bus transfer consists of 18 useful bits out of 24 bits.

Table 5 Format XRAM bits; note 1

MSB

LSB

DATAH

DATAM

DATAL

D D D D D D 17 16 A 15 14 13 12 11 10 9 8 A 7 6 5 4 3 2 1 0 A P

Note

1. Explanation for the contents of the register bits:

a) D = contents of I2C-bus data register bit is don’t care.

b) A = standard I2C-bus acknowledge.

c) Number = bit number being useful bit XRAM memory.

d) P = standard I2C-bus STOP condition.

1998 Mar 13

14

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