VDP 31xxB
PRELIMINARY DATA SHEET
1.1. VDP Applications
RGB Processing
– programmable RGB matrix
– digital color bus interface
– additional analog RGB / fast blank input
– half-contrast switch
As a member of the VDP 31xxB family, the VDP 3120B
offers all video features necessary to design a state-of-
the-art TV set:
Video Decoding
– 4 composite inputs, 1 S-VHS input
– composite video & sync output
– integrated high-quality A/D converters
– adaptive 2H comb filter Y/C separator
– 1H NTSC comb filter
– picture frame generator
Deflection
– scan velocity modulation output
– high-performance H/V deflection
– separate ADC for tube measurements
– EHT compensation
– multistandard color decoder (1 crystal)
– multistandard sync decoder
– black line detector
Miscellaneous
Video Processing
– one 20.25 MHz crystal, few external components
– embedded RISC controller (80 MIPS)
– horizontal scaling (0.25 to 4)
– panorama vision
2
– I C-Bus Interface
– black level expander
– dynamic peaking
– single 5 V power supply
– submicron CMOS technology
– 64-pin PSDIP package
– soft limiter (gamma correction)
– color transient improvement
Video 1
Video 2
CCU
300x
TPU
3040
DRAM
RGB
H/VDefl.
VDP
3120B
RGB 1
RGB 2
MSP
3410
Audio
3 x Stereo
DPL
3420
Dolby Surround
Fig. 1–3: Full-feature TV set with VDP 3120B
6
Micronas
MICRONAS [ MICRONAS ]
