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LOW IF
CVBS
RGB
YPbPr
VGA
Dual HDMI
DV (including
ITU-656)
TS
PCMCIA
TSDO
TSDI
CMD
The Video Subsystem consist of the following blocks:
•
Analogue Front-End (AFE) block
•
Video and PC Capture (VPC/PC) pipe
•
HDMI Receiver interface
•
Memory-Based Video Processor MBVP)
•
Video Composition Pipe (CPIPE)
•
Memory Based Video Processor (MBVP) VO-1
•
Memory Based Video Processor (MBVP) VO-2
•
Video Composition Pipe (CPIPE)
•
Dual Flat Panel Display-LVDS (FPD-LVDS)
•
Digital Encoder (DENC)
•
Digital Video VIP
•
2D graphics block.
7.5.2
Audio Subsystem
Refer to
Figure 7-9
for the main audio interfaces for the
PNX8543 and the audio signal flow between blocks and
memory.
PNX8543x
A
VCP/PC
VCP_
UIP
VCP_RX
VCP_
WIFD
AFE
(ADC)
PC_
PC_RX
UIP
HDMI
HDMI_
HDMI_UIP
RX
MBVP_
L2VO2
VIP
(ITU-656)
TSI
CAI
VMSP
Figure 7-8 PNX8543 video flow diagram
Circuit Descriptions
DDR2-SDRAM
MCU-DDR
2D_DE
GFX1
GFX2
CPIPE_
PIP
L2QTV
main
MBVP_
L2QTV
MBVP_
L2VO1
CVBS/Y
CPIPE_
DENC
L2VO
A
MSVD
Q549.6E LA
7.
LCD panel
FPD-LVDS1
LVDS_BUF
LVDS_TX
LCD panel
FPD-LVDS2
monitor
DAC
CVBS1/Y
C
monitor
MUX
DAC
CVBS2/C
18440_203_090226.eps
090226
EN 47
2009-May-29
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