PCB8517 查看數據表（PDF） - Philips Electronics
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PCB8517 Datasheet PDF : 24 Pages
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Philips Semiconductors
Stand-alone OSD for monitor applications
BLOCK DIAGRAM
Objective specification
PCB8517
handbook, full pagewidth
VCO
2
BIAS
3
HFLB
5
VFLB
10
6
EN
SDI
7
SCK
8
VDDA
VSSA
4
1
+
PLL
− OSCILLATOR
VCLK
4
DISPLAY CONTROL
VDDD
9
VSSD
16
COLOUR
ENCODER
15
RED
14
GREEN
13
BLUE
12
FB
12-STAGE SHIFT REGISTER
OSDEN
DISPLAY BUFFER
24 × 10 RAM
CHARACTER FONTS
128 FONT ROM
WINDOW AND
FRAME CONTROL
11
HTONE
HIGH SPEED SERIAL 3
I/O INTERFACE
CONTROL
REGISTERS
MGD762
1997 Mar 03
Fig.1 Block diagram.
3
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