TDA9859 查看數據表（PDF） - Philips Electronics
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TDA9859 Datasheet PDF : 24 Pages
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Philips Semiconductors
Universal hi-fi audio processor for TV
Product specification
TDA9859
I2C-BUS PROTOCOL
This circuit operates as a slave receiver only. For more information about the I2C-bus, see “The I2C-bus and how to use
it”, order number 9398 393 40011.
I2C-bus format
S
SLAVE ADDRESS
W
A
SUBADDRESS
A
Note
1. Multiple DATA-A (acknowledge) sequences may occur.
DATA(1)
A(1)
P
Table 1 Explanation of I2C-bus format
S
SLAVE ADDRESS
W
A
SUBADDRESS
DATA(1)
P
NAME
DESCRIPTION
START condition (SCL HIGH, SDA HIGH-to-LOW)
100 0000 (MAD = LOW) or 100 0001 (MAD = HIGH)
0
acknowledge (SDA = LOW); generated by the device
subaddress (byte); see Table 2
data byte; see Table 2
STOP condition (SCL = HIGH, SDA = LOW-to-HIGH)
Note
1. If more than 1 byte of DATA is transmitted, then auto-increment of the subaddress is performed by the device.
Table 2 I2C-bus transmission
FUNCTION
Loudspeaker channel
Volume control common
Volume control left
Volume control right
Bass control
Treble control
Switching control byte
SCART output(1)
Loudspeaker output
SUBADDRESS
BINARY HEX D7 D6 D5
0000 0000 00
0000 0001 01
0000 0010 02
0000 0011 03
0000 0100 04
0
0 V05
0
0
0
0
0
0
0
0
0
0
0
0
0000 1000 08
0000 1001 09
0 MU1 P1
EF2 MU2 EF1
DATA BITS
D4 D3 D2 D1 D0
V04 V03 V02 V01 V00
VL4 VL3 VL2 VL1 VL0
VR4 VR3 VR2 VR1 VR0
BA4 BA3 BA2 BA1 BA0
0 TR3 TR2 TR1 TR0
P2 I13 I12 I11 I10
ST I23 I22 I21 I20
Note
1. If auto-increment of the subaddress is used, it is necessary to insert three dummy data words between the treble
control byte and the switching control bytes.
2001 Jul 11
12
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