Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.
9.12 IC Data Sheets
This section shows the internal block diagrams and pin layouts
of ICs that are drawn as "black boxes" in the electrical diagrams
(with the exception of "memory" and "logic" ICs).
9.12.1 Diagram K1, PNx83xx (IC7100)
Figure 9-2 PNx831x architecture and data paths
Block Diagram
V
ideo decoder
A
u
dio decoder
MPEG system processor
Backgro
u
nd color
Display
Graphics (OSD)
C
u
rsor
Mixer
u
nit
DENC
Priority int ctrl
USB host
GPIO
Infrared
RS232-UART0
Boot
I2C-
u
nit1
RS232-UART1
ISO7816-UART
Analog video
CCIR-656
CPU PR1910
PI Bridge
DMA
SDRAM interface
Central Data Unit
MIU
3
L
P
V
D
s
u
B
2
L
P
V
D
Slow PI-B
u
s (60 MHz)
Fast PI-B
u
s@120 MHz
Clock, Reset
Power down
s
u
B
CCIR
EJTAG, DSU
16
b
it@133 MHz
I2C-
u
nit2
RGB, Y,C,C
V
BS
E_14970_043.eps
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