IC Data Sheets
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
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DRXK