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ADV7341 720P OUTPUT

Question asked by yimiqiba on Mar 6, 2014
Latest reply on Mar 7, 2014 by DaveD

hi,adi,

  adv7341.pdf page34 said that is support 720p@30,720p@25 and 720p@24,and i had set the register 0x30,but no output from adv7341.

why? where was wrong that i set?

 

 

20-Bit 720p@30/29.97Hz YCrCb In (EAV/SAV), YPrPb OutSMPTE 296M

Address

Value

Description

17

02

Software reset

00

1C

All DACs enabled. PLL enabled

01

30

HD-SDR input mode

30

3C

3C=720p at 30 Hz/29.94 Hz. EAV/SAV syn-chronization. EIA-770.3 output levels

31

01

Pixel data valid. 4× oversampling

33

6C

10-bit input enabled (10 × 2 = 20-bit)

 

20-Bit 720p@25Hz YCrCb In (EAV/SAV), YPrPb OutSMPTE 296M

Address

Value

Description

17

02

Software reset

00

1C

All DACs enabled. PLL enabled

01

30

HD-SDR input mode

30

44

44=720p at 25 Hz. EAV/SAV syn-chronization. EIA-770.3 output levels

31

01

Pixel data valid. 4× oversampling

33

6C

10-bit input enabled (10 × 2 = 20-bit)

 

 

20-Bit 720p@24/23.98Hz YCrCb In (EAV/SAV), YPrPb OutSMPTE 296M

Address

Value

Description

17

02

Software reset

00

1C

All DACs enabled. PLL enabled

01

30

HD-SDR input mode

30

4C

4C=720p at 24 Hz/23.94 Hz. EAV/SAV syn-chronization. EIA-770.3 output levels

31

01

Pixel data valid. 4× oversampling

33

6C

10-bit input enabled (10 × 2 = 20-bit)

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