TDA8596 NXP Semiconductors, TDA8596 Datasheet - Page 21

• Manufacturer Part Number: TDA8596
• Description: The TDA8596 is a quad Bridge Tied Load (BTL) audio power amplifier with symmetricalinputs, made in BCDMOS technology
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA8596_2
Product data sheet
Fig 16. I
SDA
SDA
SCL
SCL
2
C-bus read and write modes
I
I
R/W
2
2
NA
C-BUS WRITE
C-BUS READ
S
P
A
S
S
: generated by master (microcontroller)
: generated by slave
: START
: STOP
: acknowledge
: not acknowledge
: read / write
8.1 Instruction bytes
MSB
MSB
1
1
I
Legacy mode:
Table 8.
Bit
D7
D6
D5
2
MSB
MSB
C-bus mode:
•
•
•
ADDRESS
ADDRESS
If R/W bit = 0, the TDA8596 expects 3 instruction bytes: IB1, IB2 and IB3
After a power-on reset, all instruction bits are set to logic 0
The settings are equal to the condition with all instruction bits set to logic 0 (see
Table
2
2
1
1
8), with the exception of IB1[D0] bit that is ignored in legacy mode.
Instruction byte IB1
Description
don’t care
channel 3 clip information on DIAG or STB pin
channel 1 clip information on DIAG or STB pin
LSB + 1
LSB + 1
0 = clip information on DIAG pin
1 = clip information on STB pin
0 = clip information on DIAG pin
1 = clip information on STB pin
I
2
C-bus controlled 4
7
7
Rev. 02 — 8 November 2007
W
R
8
8
ACK
ACK
A
A
9
9
MSB
MSB
1
1
45 W power amplifier with symmetrical inputs
To stop the transfer, the last byte must not be acknowledged
MSB
MSB
2
2
WRITE DATA
1
1
READ DATA
To stop the transfer, after the last acknowledge (A)
and a STOP condition (P) must be generated
a STOP condition (P) must be generated
LSB + 1
LSB + 1
7
7
LSB
LSB
8
8
ACK
ACK
NA
TDA8596
A
© NXP B.V. 2007. All rights reserved.
9
9
001aac649
P
P
21 of 48