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參數(shù)資料
| 型號： | CS4955-CQZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 14/60頁 |
| 文件大小： | 0K |
| 描述： | IC VID ENCODER NTSC/PAL 48-TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 類型： | 視頻編碼器 |
| 電壓 - 電源，模擬： | 3.15 V ~ 5.25 V |
| 電壓 - 電源，數(shù)字： | 3.15 V ~ 5.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-TQFP（7x7） |
| 包裝： | 管件 |
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CS4954 CS4955
DS278F6
21
5.4
Digital Video Input Modes
The CS4954/5 provides two different digital video
input modes that are selectable through the
IN_MODE bit in the CONTROL_0 Register.
In Mode 0 and upon RESET, the CS4954/5 de-
faults to output a solid color (one of a possible of
256 colors). The background color is selected by
writing the BKG_COLOR Register (0x08). The
colorspace of the register is RGB 3:3:2 and is unaf-
fected by gamma correction. The default color fol-
lowing RESET is blue.
In Mode 1 the CS4954/5 supports a single 8-bit
27 MHz CbYCrY source as input on the V [7:0]
pins. Input video timing can be ITU-R.BT601 mas-
ter or slave or ITU-R.BT656.
5.5
Multi-standard Output Format Modes
The CS4954/5 supports a wide range of output for-
mats compatible with worldwide broadcast stan-
dards. These formats include NTSC-M, NTSC-J,
PAL-B/D/G/H/I, PAL-M, PAL-N, and PAL Com-
bination N (PAL-Nc) which is the broadcast stan-
dard used in Argentina. After RESET, the CS4954/5
defaults to NTSC-M operation with ITU-R.BT601
analog timing. NTSC-J can also be supported in the
Japanese format by turning off the 7.5 IRE pedestal
through the PED bit in the CONTROL_1 Register
(0x01).
Output formats are configured by writing control
registers with the values shown in Table 3.
261
262
12
3
4
5
6
7
8
9
Start of
VSYNC
10
22
Field 1
Burst begins with positive half-cycle
Burst begins with negative half-cycle
Burst phase = reference phase = 180 relative to B-Y
0
Burst phase = reference phase = 180 relative to B-Y
0
262
263
12
3
4
5
6
7
8
9
10
22
261
262
12
3
4
5
6
7
8
9
10
22
262
263
12
3
4
5
6
7
8
9
10
22
Field 2
Field 3
Field 4
Start of
VSYNC
Figure 9. NTSC Video Non-Interlaced Progressive Scan Timing
NOTE 1: The FIELD pin (pin 9) remains an output pin in SLAVE mode. However, the FIELD pin state does not
toggle in SLAVE mode and its output state should be considered random.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS4955-CQZR | 功能描述:視頻 IC IC NTSC/PAL Digital Video Encoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| CS496102 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:New Audio System Processors are Ideal for Digital Audio Networking Applications |
| CS496102-CQZ | 功能描述:音頻 DSP 2x2 CobraNet Audio Network Processor RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
| CS496102-CQZ/A1 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:Digital Audio Networking Processor |
| CS496102-CQZR | 功能描述:音頻 DSP IC CobraNet Trns/AdNtwrkng Prcsr RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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