TDA7339 datasheet(6/12 Pages) STMICROELECTRONICS

No de pièce	TDA7339

Description	3 BAND DIGITAL CONTROLLED AUDIO PROCESSOR

PDF	12 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

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6 / 12 page

MSB

LSB

1st VOLUME

F6F5

F3F2

2nd VOLUME

F6F5

F3F2

TREBLE

MIDDLE

BASS

MUTMUX

POWER ON RESET:

1st volume = 2nd volume = Mute

Treble = Middle = Bass = -14dB

Mutmux = Active Input IN 1

FUNCTION CODES

TDA7339 ADDRESS

MSB

first byte

LSB

MSB

LSB

MSB

LSB

ACK

DATA

ACK

DATA

ACK

Data Transferred (N-bytes + Acknowledge)

ACK = Acknowledge

S = Start

P = Stop

MAX CLOCK SPEED 100kbits/s

SOFTWARE SPECIFICATION

Chip address

MSB

LSB

A = Logic level ON pin ADDR

SOFTWARE SPECIFICATION

Interface Protocol

The interface protocol comprises:

A start condition (s)

A chip address byte, containing the TDA7339

address (the 8th bit of the byte must be 0). The

TDA7339 must always acknowledge at the end

of each transmitted byte.

A sequence of data (N-bytes + acknowledge)

A stop condition (P)

TDA7339

6/12

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