Circuit Descriptions
EN 47
Q549.2E LA
7.
2009-May-08
Figure 7-8 PNX8543 video flow diagram
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.
1
8
440_20
3
_090226.ep
s
090226
VM
S
P
HDMI_UIP
PC_RX
AFE
(ADC)
DAC
LVD
S
_BUF
LVD
S
_TX
CPIPE_
L2QTV
CPIPE_
L2VO
MCU-DDR
DMA B
U
S
DDR2-
S
DRAM
PNX
8
54
3
x
VCP_
UIP
DENC
DAC
VCP_
WIFD
HDMI_
RX
MBVP_
L2VO2
MBVP_
L2QTV
MBVP_
L2VO1
A
A
GFX2
PIP
CVB
S
1/Y
monitor
m
a
in
CVB
S
2/C
monitor
HDMI
VCP/PC
LOW IF
CVB
S
RGB
D
ua
l HDMI
FPD-LVD
S
1
LCD p
a
nel
MUX
VCP_RX
2D_DE
VIP
(ITU-656)
PC_
UIP
GFX1
FPD-LVD
S
2
LCD p
a
nel
CVB
S
/Y
C
CAI
T
S
T
S
DO
T
S
DI
CMD
PCMCIA
T
S
I
M
S
VD
DV (including
ITU-656)
YP
b
Pr
VGA