TEA6360T Ver la hoja de datos (PDF) - Philips Electronics

Número de pieza

componentes Descripción

Fabricante

TEA6360T

5-band stereo equalizer circuit

Philips Electronics 

Philips Semiconductors

5-band stereo equalizer circuit

Preliminary specification

TEA6360

I2C-BUS PROTOCOL

I2C-bus format

S

SLAVE ADDRESS

A

SUBADDRESS

A

DATA

P

S

=

SLAVE ADDRESS

=

A

=

SUBADDRESS

=

DATA

=

P

=

start condition

1000 0100 when pin 18 is set LOW

or 1000 0110 when pin 18 is set HIGH or open-circuit

acknowledge, generated by the slave

subadress byte, see Table 1

data byte, see Table 1

stop condition

If more than 1 byte DATA are transmitted, then auto-increment of the subaddress is performed.

Byte organisation

Table 1 I2C-bus transmission

FUNCTION

filter 1/defeat

SUBADDRESS BYTE

D7 D6

0 0 0 0 0 0 0 0 DEF 1B2

DATA BYTE

D5 D4 D3 D2 D1 D0

1B1 1B0 0 1C2 1C1 1C0

filter 2

filter 3

0 0 0 0 0 0 0 1 0 2B2 2B1 2B0 0 2C2 2C1 2C0

0 0 0 0 0 0 1 0 0 3B2 3B1 3B0 0 3C2 3C1 3C0

filter 4

filter 5

0 0 0 0 0 0 1 1 0 4B2 4B1 4B0 0 4C2 4C1 4C0

0 0 0 0 0 1 0 0 0 5B2 5B1 5B0 0 5C2 5C1 5C0

Function of the bits of Table 1:

1B0 to

1B0 to

2B0 to

2B0 to

3B0 to

3B0 to

4B0 to

4B0 to

5B0 to

5B0 to

DEF

1B2 boost control for filter 1

1B2 cut control for filter 1

2B2 boost control for filter 2

2B2 cut control for filter 2

3B2 boost control for filter 3

3B2 cut control for filter 3

4B2 boost control for filter 4

4B2 cut control for filter 4

5B2 boost control for filter 5

5B2 cut control for filter 5

DEF = 0 (defeat bit): All filters operating.

DEF = 1:

Linear frequency response, input is directly connected to the output of the

output amplifier. The filter settings are stored but the internal amplification

is controlled to 0 dB, independent on bits nB2 to nB0.

May 1991

9

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