TDA7319 STMicroelectronics, TDA7319 Datasheet - Page 9

• Manufacturer Part Number: TDA7319
• Description: IC PROCESSOR AUDIO DGTL 20DIP
• Manufacturer: STMicroelectronics
• Type: Tone and Volume Controlr

Specifications of TDA7319

• Applications: Automotive Audio
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-3970-5

SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
MAX CLOCK SPEED 400kbits/s
SOFTWARE SPECIFICATION
Chip address
FUNCTION CODES
POWER ON RESET:
1st volume = 2nd volume = Mute
Treble = Middle = Bass = -14dB
Mutmux = Active Input
ACK = Acknowledge
S = Start
P = Stop
MSB
S
A start condition (s)
A chip address byte, containing the TDA7319
1
MSB
1
2nd VOLUME
1st VOLUME
0
TDA7319 ADDRESS
0
MUTMUX
TREBLE
MIDDLE
BASS
0
first byte
0
0
0
0
1
A
0
LSB
0
MSB
0
0
1
1
1
1
AC K
1
MSB
1
F6
F6
F6
0
0
1
1
LSB
0
DATA
Data Transferred (N-bytes + Acknowledge)
F5
F5
F5
0
1
0
1
address (the 8th bit of the byte must be 0). The
TDA7319 must always acknowledge at the end
of each transmitted byte.
A sequence of data (N-bytes + acknowledge)
A stop condition (P)
F4
F4
F4
F4
F4
F4
F4
LSB
A C K
MSB
F3
F3
F3
F3
F3
F3
F3
F2
F2
F2
F2
F2
F2
F2
DATA
F1
F1
F1
F1
F1
F1
F1
TDA7319
LSB
LSB
A C K
F0
F0
F0
F0
0
1
9/16
P