Bt829B Features
• Single-chip composite/S-Video NTSC/PAL/SECAM to YCrCb digitizer
• On-chip UltralockTM
• Square Pixel and CCIR601 Resolution for:
NTSC (M)
NTSC (M) without 7.5IRE pedestal
PAL (B, D, G, H, I, M, N, N combination)
SECAM
• Chroma comb filter
• Arbitrary horizontal and 5-tap vertical filtered scaling
• Hardware closed-caption decoder
• Vertical Blanking Interval (VBI) data pass-through
• Arbitrary temporal decimation for a reduced frame-rate video sequence
• Programmable hue, brightness, saturation, and contrast
• User-programmable cropping of the video window
• 2x oversampling to simplify external analog filtering
• Two-wire Inter-Integrated Circuit (I2C) bus interface
• 8- or 16-bit pixel interface
• YCrCb (4:2:2) output format
• Software selectable four-input analog MUX
• 4 fully programmable GPIO bits
• Auto NTSC/PAL format detect
• Automatic Gain Control (AGC)
• 3.3 V I/O
• Typical power consumption 0.85 W
• IEEE 1149.1 Joint Test Action Group (JTAG) interface
• 100-pin PQFP
Bt829B Typical Application
• Multimedia
• Image processing
• Desktop video
• Video phone
• Teleconferencing
• Interactive video
Bt829B Connection Diagram
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