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8. IC Data Sheets
This chapter shows the internal block diagrams and pin
configurations of ICs that are drawn as "black boxes" in the
electrical diagrams (with the exception of "memory" and "logic"
ICs).
8.1
Diagram
10-4-9 PNX 85500: POWER
Block diagram
TS input
TS out/in for
PCMCIA
DVB
CVBS, Y/C,
RGB
Low-IF
Direct-IF
SSIF, LR
SPDIF
HDMI
B05A, PNX85500
PNX85xxx
PNX8550x
MPEG
SYSTEM
CI/CA
PROCESSOR
DVB-T/C
channel decoder
VIDEO
3D COMB
DECODER
MULTI-
DIGITAL IF
STANDARD
VIDEO
DECODER
AUDIO DEMOD
AND DECODE
AUDIO IN
HDMI
RECEIVER
SYSTEM
500 MHz
CONTROLLER
MIPS32
(8051)
24KEf CPU
2
I
C
Px_x
IR
ADC
Figure 8-1 Internal block diagram
IC Data Sheets
MEMORY
CONTROLLER
PRIMARY
VIDEO
OUTPUT
AV-PIP
SUB-PICTURE
SECONDARY
VIDEO
OUTPUT
Motion-accurate
pixel processing
SCALER,
DE-INTERLACE
AND NOISE
REDUCTION
AUDIO DSP
450 MHz
AV-DSP
DRAWING
ENGINE
Scatter/Gather
TS Demux
2
SPI
UART
I
C
GPIO Flash
x 10
back to
div. table
Q552.5HE LA
8.
LVDS for
flat panel display
LVDS
(single, dual or
quad channel)
analog CVBS
VIDEO
ENCODER
analog Y/C
AUDIO DACS
analog audio
2
I
S
AUDIO OUT
SPDIF
USB 2.0
SD
Ethernet
Memory
MAC
Card
19490_300_130413.eps
EN 33
009aaa246
130413
2013-Sep-20
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