The VPC 323xD/324xD is a high-quality, single-chip video front-end, which is targeted for 4:3 and 16:9, 50/60 Hz and 100/120 Hz TV sets. It can be combined with other Micronas ICs (such as DDP 331x) and/or it can be used with 3rd-party products.

System Architecture

Block diagram of the VPC 323xD

Main Features

High-performance adaptive 4H comb filter Y/C separator with adjustable vertical peaking

Multi-standard color decoder PAL/NTSC/SECAM including all substandards

Four CVBS, one S-VHS input, one CVBS output

Two RGB/YCrCb component inputs, one Fast Blank (FB) input

Integrated high-quality A/D converters and associated clamp and AGC circuits

Multi-standard sync processing

Linear horizontal scaling (0.25 ... 4), as well as non-linear horizontal scaling ‘Panoramavision’

PAL+ preprocessing

Line-locked clock, data and sync, or 656 output interface (VPC 323xD)Peaking, contrast, brightness, color saturation and tint for RGB/YCrCb and CVBS / S-VHS

High-quality soft mixer controlled by Fast Blank

PIP processing for four picture sizes (1/4, 1/9, 1/16 or 1/36 of normal size) with 8-bit resolution

15 predefined PIP display configurations and expert mode (fully programmable)

Control interface for external field memory

I2C-bus interface

One 20.25 MHz crystal, few external components

80 pin PQFP package