參數(shù)資料
型號(hào)： ADV7343BSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 89/108頁(yè)
文件大?。?/td> 0K
描述： IC ENCODER VIDEO W/DAC 64-LQFP
產(chǎn)品變化通告： ADV734x, ADV739x Feature Improvement
標(biāo)準(zhǔn)包裝： 1
類(lèi)型： 視頻編碼器
應(yīng)用： DVD，Blu-Ray
電壓 - 電源，模擬： 3.3V
電壓 - 電源，數(shù)字： 1.8V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 64-LQFP
供應(yīng)商設(shè)備封裝： 64-LQFP（10x10）
包裝： 托盤(pán)
Data Sheet
ADV7342/ADV7343
Rev. | Page 81 of 108
INTERNAL TEST PATTERN GENERATION
SD TEST PATTERNS
The ADV7342/ADV7343 are able to internally generate SD
color bar and black bar test patterns. For this function, a
27 MHz clock signal must be applied to the CLKIN_A pin.
The register settings in Table 61 are used to generate an SD
NTSC 75% color bar test pattern. CVBS output is available on
DAC 4, S-Video (Y-C) output is on DAC 5 and DAC 6, and
YPrPb output is on DAC 1 to DAC 3. On power-up, the
subcarrier frequency registers default to the appropriate values
for NTSC. All other registers are set as normal/default.
Table 61. SD NTSC Color Bar Test Pattern Register Writes
Subaddress
Setting
0x00
0xFC
0x82
0xC9
0x84
0x40
To generate an SD NTSC black bar test pattern, the settings
shown in Table 61 should be used with an additional write of
0x24 to Subaddress 0x02.
For PAL output of either test pattern, the same settings are used,
except that Subaddress 0x80 is programmed to 0x11, and the
subcarrier frequency registers are programmed as shown in
Table 62. PAL FSC Register Writes
Subaddress
Description
Setting
0x8C
FSC0
0xCB
0x8D
FSC1
0x8A
0x8E
FSC2
0x09
0x8F
FSC3
0x2A
Note that, when programming the FSC registers, the user must
write the values in the sequence FSC0, FSC1, FSC2, FSC3. The full
FSC value to be written is accepted only after the FSC3 write is
complete.
ED/HD TEST PATTERNS
The ADV7342/ADV7343 are able to internally generate ED/HD
black bar and hatch test patterns. For ED test patterns, a 27 MHz
clock signal must be applied to the CLKIN_A pin. For HD test
patterns, a 74.25 MHz clock signal must be applied to the
CLKIN_A pin.
The register settings in Table 63 are used to generate an ED
525p hatch test pattern. YPrPb output is available on DAC 1 to
DAC 3. All other registers are set as normal/default.
Table 63. ED 525p Hatch Test Pattern Register Writes
Subaddress
Setting
0x00
0x1C
0x01
0x10
0x31
0x05
To generate an ED 525p black bar test pattern, the settings
shown in Table 63 should be used with an additional write of
0x24 to Subaddress 0x02.
To generate an ED 525p flat field test pattern, the settings
shown in Table 63 should be used, except that 0x0D should be
written to Subaddress 0x31.
The Y, Cr, and Cb levels for the hatch and flat field test patterns
can be controlled using Subaddress 0x36, Subaddress 0x37, and
Subaddress 0x38, respectively.
For ED/HD standards other than 525p, the settings shown in
Table 63 (and subsequent comments) are used, except that
Subaddress 0x30, Bits[7:3] are updated as appropriate.
D
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ADV7343WBSTZ 功能描述:IC ENCODER VID 12BIT DAC 64LQFP 制造商:analog devices inc. 系列:- 包裝:托盤(pán) 零件狀態(tài):在售 類(lèi)型:視頻編碼器 應(yīng)用:DVD，Blu-Ray 電壓 - 電源，模擬:2.6 V ~ 3.46 V 電壓 - 電源，數(shù)字:1.71 V ~ 1.89 V 安裝類(lèi)型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商器件封裝:64-LQFP（10x10） 標(biāo)準(zhǔn)包裝:1
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