TDA9850 Ver la hoja de datos (PDF) - Philips Electronics
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TDA9850 Datasheet PDF : 32 Pages
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Philips Semiconductors
I2C-bus controlled BTSC stereo/SAP decoder
Preliminary specification
TDA9850
I2C-bus format to write (slave receives data)
S
SLAVE ADDRESS
R/W A
SUBADDRESS
A
DATA
Table 4 Explanation of I2C-bus format to write (slave receives data)
NAME
S
Standard SLAVE ADDRESS (MAD)
Pin programmable SLAVE ADDRESS
R/W
A
SUBADDRESS (SAD)
DATA
P
DESCRIPTION
START condition
101 101 1 pin MAD not connected
101 101 0 pin MAD connected to ground
0 (write)
acknowledge; generated by the slave
see Table 5
see Table 6
STOP condition
A
P
If more than 1 byte of DATA is transmitted, then auto-increment is performed, starting from the transmitted subaddress
and auto-increment of subaddress in accordance with the order of Table 5 is performed.
Table 5 Subaddress second byte after MAD
FUNCTION
Control 1
Control 2
Control 3
Control 4
Alignment 1
Alignment 2
Alignment 3
MSB
REGISTER
D7
D6
CON1
0
0
CON2
0
0
CON3
0
0
CON4
0
0
ALI1
0
0
ALI2
0
0
ALI3
0
0
LSB
D5
D4
D3
D2
D1
D0
0
0
0
1
0
0
0
0
0
1
0
1
0
0
0
1
1
0
0
0
0
1
1
1
0
0
1
0
0
0
0
0
1
0
0
1
0
0
1
0
1
0
Table 6 Definition of third byte, third byte after MAD and SAD
FUNCTION
Control 1
Control 2
Control 3
Control 4
Alignment 1
Alignment 2
Alignment 3
MSB
REGISTER
D7
D6
LSB
D5
D4
D3
D2
D1
D0
CON1
0
0
0
0
ST3 ST2 ST1 ST0
CON2
0
0
0
0
SP3 SP2 SP1 SP0
CON3
SAP STEREO 0
SMU LMU
0
0
0
CON4
0
0
0
0
L3
L2
L1
L0
ALI1
0
0
0
A14 A13 A12 A11 A10
ALI2
STS
0
0
A24 A23 A22 A21 A20
ALI3
ADJ
0
0
0
0
TC2 TC1 TC0
1995 Jun 19
16
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