TDA7546 Datasheet, PDF (36/68 Pages) STMicroelectronics – Multichip module for TMC tuner applications

Software specifications
6
Software specifications
TDA7546
6.1
Tuner software specification
The interface protocol comprises:
– start condition (S)
– chip address byte
– subaddress byte
– sequence of data (N bytes + Acknowledge)
– stop condition (P)
Figure 11. Tuner software specification
CHIP ADDRESS
SUBADDRESS
DATA1 - DATAn
MSB
LSB
MSB
LSB
MSB
S 1 1 0 0 0 1 0 X ACK 0 0 I A4 A3 A2 A0 ACK
DATA
LSB
ACK P
S = Start
P = Stop
ACK = Acknowledge
D = Device Address
X = R/W bit
I = Pagemode
A = Subaddress
Table 9. Address organization
Function Addr
7
6
5
4
3
2
CHARGEPUMP 0 LDENA CURRH
B1
B0
A3
A2
1
PLL COUNTER
2
PC7
PC15
PC6
PC14
PC5
PC13
PC4
PC12
PC3
PC11
PC2
PC10
TV1
3 TV1O7 TV1O6 TV1O5 TV1O4 TV1O3 TV1O2
TV2
IFC CTRL 1
4 TV2O7 TV2O6 TV2O5 TV2O4 TV2O3 TV2O2
5
LM
CASF
-
-
IFENA IFS2
IFC CTRL 2
6
EW2
EW1
EW0
CF4
CF3
CF2
not valid
7
-
-
-
-
-
-
QUALITYISS
QUALITY AC
8 TISS2 TISS1 TISS0 TVWB ISS30 ISS80
9 ACNTH1 ACNTH0 ACWTH2 ACWTH1 ACWTH0 ACG
QUALITY MP 10 MPAC APPM2 APPM1 MPTH1 MPTH0 MPG
QUALITYDEV 11 BWCTL DTH1 DTH0 DWTH1 DWTH0 TDEV2
1
0
A1
PC1
PC9
TV1O1
TV2O1
IFS1
CF1
-
ISSON
ACF
MPF
TDEV1
A0
PC0
PC8
TV1O0
TV2O0
IFS0
CF0
-
CTLOFF
-
MPOFF
TDEV0
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