PRELIMINARY DATA SHEET
VDP 31xxB
Contents, continued
Page
Section
Title
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2.9.
Analog Back End
2.9.1.
2.9.2.
2.9.3.
2.9.4.
2.9.5.
2.9.6.
2.10.
CRT Measurement and Control
SCART Output Signal
Average Beam Current Limiter
Analog RGB Insertion
Fast Blank Monitor
Half Contrast Control
IO Port Expander
2.11.
Synchronization and Deflection
Deflection Processing
Horizontal Phase Adjustment
Vertical and East/West Deflection
Protection Circuitry
2.11.1.
2.11.2.
2.11.3.
2.11.4.
2.12.
Reset Function
2.13.
Standby and Power-On
30
30
30
43
46
3.
Serial Interface
2
3.1.
I C-Bus Interface
3.2.
Control and Status Registers
3.2.1.
3.2.2.
Scaler Adjustment
Calculation of Vertical and East-West Deflection Coefficients
47
47
47
49
51
52
54
54
54
54
55
56
56
56
57
57
57
58
59
60
60
60
4.
Specifications
4.1.
Outline Dimensions
4.2.
Pin Connections and Short Descriptions
Pin Descriptions
4.3.
4.4.
Pin Configuration
4.5.
Pin Circuits
4.6.
Electrical Characteristics
Absolute Maximum Ratings
Recommended Operating Conditions
Recommended Crystal Characteristics
Characteristics
4.6.1.
4.6.2.
4.6.3.
4.6.4.
4.6.4.1.
4.6.4.2.
4.6.4.3.
4.6.4.4.
4.6.4.5.
4.6.4.6.
4.6.4.7.
4.6.4.8.
4.6.4.9.
4.6.4.10.
4.6.4.11.
5 MHz Clock Output
20 MHz Clock Input/Output, External Clock Input (XTAL1)
Reset Input, Test Input
2
I C-Bus Interface
IO Port Expander
Analog Video Inputs
Analog Front-End and ADCs
Picture Bus Input
INTLC, Front Sync Output
Main Sync Output
Combined Sync Output
Micronas
3