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参数资料
| 型号： | CS7654-KQ |
| 厂商： | CIRRUS LOGIC INC |
| 元件分类： | 消费家电 |
| 英文描述： | CCD COLOR SPACE PROCESSOR WITH ANALOG OUTPUT |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | 10 X 10 X 1.40 MM, TQFP-64 |
| 文件页数： | 20/62页 |
| 文件大小： | 1028K |
| 代理商： | CS7654-KQ |
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CS7654
20
In mode 1 the CS7654 displays the image captured
by the camera.
Multi-standard Output Format Modes
The CS7654 supports a wide range of analog out-
put formats compatible with worldwide broadcast
standards. These formats include NTSC-M, NTSC-
J, PAL-B/D/G/H/I, PAL-M, PAL-N, and PAL
Combination N (PAL-Nc) which is the broadcast
standard used in Argentina. After RESET, the
CS7654 defaults to NTSC-M operation with ITU
R.BT 601 analog timing. NTSC-J can also be sup-
ported in the Japanese format by turning off the 7.5
IRE pedestal through the PED bit in the
CONTROL_1 Register (0x01) at SA 0x00.
Output formats are configured by writing control
registers with the values shown in Table 5.
Subcarrier Generation
The CS7654 automatically synthesizes NTSC and
PAL color subcarrier clocks using the CLK fre-
quency
and
four
control
registers
(SC_SYNTH0/1/2/3). The NTSC subcarrier syn-
thesizer is reset every four fields (every eight fields
for PAL).
The SC_SYNTH0/1/2/3 registers used together
provide a 32-bit value that defaults to NTSC
(43E0F83Eh) following RESET. Table 4 shows the
32-bit value required for each of the different
broadcast formats.
Color Bar Generator
The CS7654 is equipped with a color bar generator
that is enabled through the CBAR bit of the
CONTROL_1 Register lodated at SA 0x00. The
color bar generator works in master Mode only and
has no effect on the video input/output timing. The
color bar generator will override the video input
pixel data.
The output of the color bar generator is instantiated
after the chroma interpolation filter and before the
luma delay line. The generated color bar numbers
are for 100% amplitude, 100% saturation NTSC
EIA color bars or 100% amplitude, 100% satura-
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Start of
VSYNC
10
22
Field 1
Burst begins with positive half-cycle
Burst phase = reference phase = 180 relative to B-Y
Burst begins with negative half-cycle
Burst phase = reference phase = 180 relative to B-Y
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Field 2
Field 3
Field 4
Start of
VSYNC
Figure 7. NTSC Video Non-Interlaced Progressive Scan Timing
相关PDF资料 |
PDF描述 |
|---|---|
| CS7666 | DIGITAL COLOR-SPACE PROCESSOR FOR CCD CAMERAS |
| CS7666-KQ | DIGITAL COLOR-SPACE PROCESSOR FOR CCD CAMERAS |
| CS7808 | MULTI PURPOSE AUDIO/VIDEO EMBEDDED PROCESSOR |
| CS7808-CM | MULTI PURPOSE AUDIO/VIDEO EMBEDDED PROCESSOR |
| CS80C86 | CMOS 16-Bit Microprocessor |
相关代理商/技术参数 |
参数描述 |
|---|---|
| CS7655AM | 制造商:Cypress Semiconductor 功能描述:PLAT - Rail/Tube 制造商:Cypress Semiconductor 功能描述:SEMICONDUCTOR OTHER |
| CS7655AMT | 制造商:Cypress Semiconductor 功能描述:PLAT - Tape and Reel 制造商:Cypress Semiconductor 功能描述:SEMICONDUCTOR OTHER |
| CS7660 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Digital Video Color-Space Processor |
| CS7660-KM | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Image Processor |
| CS7665 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Digital Color-Space Processor for CCD Cameras |
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