IC Data Sheets
8.
8.2
Diagram
10-3-4 B04 Demodulator (DTMB DVB-C, PAL)
, ATBM8846E (IC U101)
Figure 8-2 Internal block diagram and pin configuration
19340_306_120720.eps
120820
Block diagram
Pinning information
ATBM8846E
73 ( Ex posed Pad)
GND
NC
PWM1
NC
NC
NC
NC
NC
NC
NC
NC
NC
TESTIO20
TESTIO21
TESTIO22
Timing
recovery
ADC
AGC
Tuner
Frequency
recovery
Channel
estimaion
Equalizatio
n
Time de-
interleaver
FEC
decoding
Descrambler
Transport
Stream
IF to
baseband
SDRAM
ATBM8846E
Demodulator
PLL
Crystal
Frequency
Translation
Equalizer
Matched Filter
De-interleaver
De-mapper
Reed-Solomon
Decoder
Image and
Decimation Filters
De-scrambler
DTMB CORE
DVB- C CORE
MP
EG
T
ra
ns
po
rt
S
tre
am I
nt
er
fa
ce
Antenna
Cable
RF
AGC Control l
IF
I / Q
C
on
tro
l/S
ta
tu
s
Int
erf
ac
e
I
2
C BUS