Philips Semiconductors
Preliminary specification
Sound fader control circuit
TEA6320
I2C-BUS PROTOCOL
I2C-bus format
S(1)
SLAVE ADDRESS(2)
A(3)
SUBADDRESS(4)
A(3)
DATA(5)
A(3)
P(6)
Notes
1. S = START condition.
2. SLAVE ADDRESS (MAD) = 1000 0000.
3. A = acknowledge, generated by the slave.
4. SUBADDRESS (SAD), see Table 1.
5. DATA, see Table 1; if more than 1 byte of DATA is transmitted, then auto-increment of the significant subaddress is
performed.
6. P = STOP condition.
Table 1 Second byte after MAD
MSB
7
LSB
0(1)
FUNCTION
BIT
6
5
4
3
2(1)
1(1)
Volume/loudness
Fader front right
Fader front left
Fader rear right
Fader rear left
Bass
V
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
FFR
FFL
FRR
FRL
BA
TR
S
Treble
Switch
Note
1. Significant subaddress.
1995 Dec 19
11