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EN 54 Q549.2E LA8.
2009-May-08
8.2 Diagram SSB: Front End B02B, DRX3926K (IC 7T50)
Figure 8-2 Pin configuration
Block Diagram
Pin Configuration
18440_300_090303.eps
090303
DVB-T/QAM/ATV
Demodulator
Stereo Decoder
System Controller
SAW
Main
Tuner
Presaw
Sense
DVB-T/QAM
FEC
DAC
DAC
MPEG-2
TS
CVBS
SIF
I
2
S Audio
I
2
C
GPIO
IF AGC
RF AGC
Integrated Tuner
I
2
C
ADCIF AMP
49XI
50XO
51VSSAH_OSC
52VDDAH_OSC
53VDDH
54VSSH
55VSSL
56VDDL
57TDO
58TMS
59TCK
60TDI
61I2C_SDA2
62I2C_SCL2
63I2S_CL
64I2S_DA
RSTN32
SAW_SW31
GPIO230
VSYNC29
VSSL28
VDDL27
VDDH26
VSSH25
I2C_SDA124
I2C_SCL123
MD722
MD621
MD520
MD4
19
VDDH18
VSSH17
PDP
VDDAL_AFE2
VSSAL_AFE2
SIF
CVBS
VDDAH_CVBS
VSSAH_CVBS
PDN
INP
INN
VSSAH_AFE1
VDDAH_AFE1
VDDAL_AFE1
VSSAL_AFE1
IF_AGC
RF_AGC
VDDL
VSSL
GPIO1
MSTRT
MERR
VSSH
VDDH
I2S_WS
MCLK
MVAL
MD0
MD1
MD2
MD3
VSSL
VDDL
123 45678 910111213 14 15 16
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
DRXK