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Part Number: MSM7662
Description: The MSM7662 is an LSI device that decodes NTSC or PAL analog video signals into YCbCr and RGB digital ...
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MSM7662
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General Description
MSM7662 General Description
The MSM7662 is an LSI device that decodes NTSC or PAL analog video signals into YCbCr and RGB digital data based on ITU-RBT.601.
The device has built-in two channels of A/D converters and can accept composite video and S video signals for the input video signals. Composite video signals are converted to YCbCr and RGB digital data via the 2-dimensional Y/C separation circuit with an adaptive filter.
Analog video signals can be sampled by a clock at the pixel frequency or at twice the pixel frequency. A decimation filter is built-in for sampling at twice the pixel frequency.Input signals are synchronized internally and high-speed locking for color burst is possible.
Because a FIFO buffer is built into the output format circuit, jitter-free output can be obtained even for non-standard signals.
MSM7662 Maximum Ratings
|
Symbol |
Parameter |
Conditions |
Rating |
Unit |
|
VDD |
Power Supply Voltage |
Ta = 25°C |
0.3 to +4.5 |
V |
|
VI |
Input Voltage |
VDD = 3.3 V |
0.3 to +5.5 |
V |
|
PW |
Power Dissipation |
- |
1 |
mW |
|
TSTG |
Storage Temperature |
- |
55 to +150 |
°C |
MSM7662 Features
* Input analog signal
NTSC/PAL composite video signal or S-video signal
• 5 composite, 2 S-video analog inputs (switchable)
• Built-in clamp circuits and video amps
• Built-in 8-bit A/D converters (2 channels; sampling frequency: 40 MHz)
• 4 selectable output interfaces
ITU-RBT.656 (conditional), 8-bit (YCbCr), 8-bit (Y) + 8-bit (CbCr)
YCbCr = 4 : 2 : 2, YCbCr = 4 : 1 : 1 (limit)
24-bit RGB RGB = 4 : 4 : 4
* 2-dimensional Y/C separation using adaptive comb filter (this filter is bypassed for S-video signal input)
NTSC format: 3 lines or 2 lines, PAL format: 2 lines (3 virtual lines)
• Selectable input signal synchronization
4 synchronization modes: FIFO-1, FIFO-2, FM-1, FM-2 (FIFO-1 is normally selected)
(FIFO-1 and FIFO-2 use the internal FIFO, FM-1 and FM-2 use external field memory)
* Compatible pixel frequencies
13.5 MHz (ITU-RBT.601), 12.27 MHz (NTSC Square Pixel)
14.31818 MHz (NTSC 4fsc), 14.45 MHz (PAL Square Pixel)
• Built-in AGC/ACC circuits, compatible with a wide range of input levels
Input level range: 8 dB to +3.5 dB
Switchable between AGC/MGC (fixed gain) and ACC/MCC (fixed gain)
* Decimation filter built into input stage, allows easy configuration of filter prior to A/D converter
* Automatic NTSC/PAL recognition (only for ITU-RBT.601)
* Sleep mode
* Multiplex signal recognition (closed caption)
During vertical blanking interval, data is output as 8-bit data.
* I2C-bus interface
* 3.3 V single power supply (I/O 5 V tolerance)
• Package:100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name: MSM7662TB)
NTSC/PAL composite video signal or S-video signal
• 5 composite, 2 S-video analog inputs (switchable)
• Built-in clamp circuits and video amps
• Built-in 8-bit A/D converters (2 channels; sampling frequency: 40 MHz)
• 4 selectable output interfaces
ITU-RBT.656 (conditional), 8-bit (YCbCr), 8-bit (Y) + 8-bit (CbCr)
YCbCr = 4 : 2 : 2, YCbCr = 4 : 1 : 1 (limit)
24-bit RGB RGB = 4 : 4 : 4
* 2-dimensional Y/C separation using adaptive comb filter (this filter is bypassed for S-video signal input)
NTSC format: 3 lines or 2 lines, PAL format: 2 lines (3 virtual lines)
• Selectable input signal synchronization
4 synchronization modes: FIFO-1, FIFO-2, FM-1, FM-2 (FIFO-1 is normally selected)
(FIFO-1 and FIFO-2 use the internal FIFO, FM-1 and FM-2 use external field memory)
* Compatible pixel frequencies
13.5 MHz (ITU-RBT.601), 12.27 MHz (NTSC Square Pixel)
14.31818 MHz (NTSC 4fsc), 14.45 MHz (PAL Square Pixel)
• Built-in AGC/ACC circuits, compatible with a wide range of input levels
Input level range: 8 dB to +3.5 dB
Switchable between AGC/MGC (fixed gain) and ACC/MCC (fixed gain)
* Decimation filter built into input stage, allows easy configuration of filter prior to A/D converter
* Automatic NTSC/PAL recognition (only for ITU-RBT.601)
* Sleep mode
* Multiplex signal recognition (closed caption)
During vertical blanking interval, data is output as 8-bit data.
* I2C-bus interface
* 3.3 V single power supply (I/O 5 V tolerance)
• Package:100-pin plastic TQFP (TQFP100-P-1414-0.50-K) (Product name: MSM7662TB)
MSM7662 Connection Diagram
MSM7662
PDF/DataSheet Download
- Datasheet: MSM7662
- File Size: 388003 KB
- Manufacturer: OKI
- Click here to Download
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