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Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.3.4
Diagram B04A/B/C/D/E/F, PNX2018 (IC 7J00)
Block Diagram
co-processor
dual or single
(TDA9975)
Pin Configuration
PNX2018
video
NORTH TUNNEL
DV4
HD input
DV5
MEMORY
BASED SCALER
VIDEO MPEG
DECODER
DEMDEC
PNX3000
DLINK1
VIDDEC1
VIDDEC2
PNX3000
DLINK2
DEMDEC
30
PNX8554
remote
control
ball A1
index area
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
Figure 9-9 Internal block diagram and pin configuration
16-BIT 200 MHz DDR
16
MEMORY CONTROLLER
SOUTH TUNNEL
direct sream
VIP
VO-1
VO-2
HUB
AUDIO1
DSP
DSP
COLUMBUS
AUDIO2
DSP
DSP
LVDS
TV MICROCONTROLLER SUBSYSTEM
2
keyboard
I
C-bus
UART
2
4
6
8
10
12
14
1
6
18
1
3
5
7
9
11
13
15
17
PNX2018
EJ3.0U PA
12 x DACS
DV1
MUX
DV2
DV3
AV link
20
22
2
4
26
28
30
19
21
23
25
27
29
9.
EN 109
PNX8554
speakers
PNX8554
PNX8554
PNX8554
to flat panel
display
G_16840_100.eps
090207
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