DS90UB962-Q1: We can't get the video from UB962

Hello Jack,

For getting the attached register dump, how many cameras were connected to the UB962? to which RX port?

From the provided dumps, it looks like only RX port0 has LOCK high. But CSI TX ports are disabled (see reg 0x33) and port forwarding is also disabled (see reg 0x20)!

Can you translate what is written in the "readme" file?

Hi Hamzeh,

I get a camera using UB933 for test and we get the normal video, the difference is that this module uses DIN2~DIN9. So we do suspect this is the main reason. After all, IVI is set use UB962 Raw 10  using upper 8 bits:

I wonder if we could change UB962 registers via UB933, if yes please tell us how to set UB962 0x7C register to 0XE0

ADAS SOC--------UB933----------UB962---------IVI

Best Regards,

Jack

Hi Hamzeh,

Could you please tell me how to set it in software, thanks!

0X03=0XC5

0X06=

0X07=

0X7C=

Best Regards,

Jack

Hi Hamzeh,

Thanks for your reply!

My customer still couldn't get video when connecting the IVI system using UB962:

ADAS SOC--------UB933----------UB962 (IVI board)   #couldn't get the video

But they get the normal video with a test board also using UB962

ADAS SOC--------UB933----------UB962 (test board)  #get the normal video

Here are the registers, please help to have check and analyze it, thanks!

# i2cdump -y 3 0x10
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 60 00 1e 40 d0 01 00 fe 1c 10 7a 7a 0f b9 71 ff    `.?@??.???zz??q.
10: 01 05 09 00 0d 00 00 00 01 0d 05 75 30 00 04 05    ???.?...???u0.??
20: 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00    .?..............
30: 00 00 00 63 00 01 00 01 00 00 00 00 00 00 00 00    ...c.?.?........
40: 00 a9 71 01 00 00 20 00 00 00 00 12 01 03 cd 23    .?q?.. ....????#
50: 80 00 00 00 00 00 00 00 58 00 00 ba b0 30 00 00    ?.......X..??0..
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 7f a8 88    .............???
70: 1e 2c e4 03 20 0a 00 c5 00 01 0f ff c0 00 00 00    ?,?? ?.?.??.?...
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
90: 10 f6 00 00 ff ff 00 00 00 00 00 00 00 00 00 00    ??..............
a0: 00 00 00 00 00 1c 00 00 00 00 00 00 00 00 00 00    .....?..........
b0: 1c 3a 15 08 25 00 18 00 88 33 83 74 80 00 00 00    ?:??%.?.?3?t?...
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 43 94 17 60 f2 00 03 00 00 00 00 00 00 00 00    .C??`?.?........
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 5f 55 42 39 36 30 00 00 00 00 00 00 00 00 00 00    _UB960..........

# i2cdump -y 3 0x10
     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef
00: 60 00 1e 40 d0 01 00 fe 1c 10 7a 7a 0f 09 00 e1    `.?@??.???zz??.?
10: 91 81 85 8d 00 00 00 00 01 06 82 06 82 00 04 06    ????....?????.??
20: 00 01 00 8f 00 00 00 00 00 00 00 00 00 00 00 00    .?.?............
30: 00 00 00 03 00 01 00 00 00 00 00 00 00 00 00 00    ...?.?..........
40: 00 a9 71 01 00 00 20 00 00 00 00 12 52 43 04 23    .?q?.. ....?RC?#
50: 7f 00 00 00 00 00 00 00 58 00 00 ba b2 5e 00 00    ?.......X..??^..
60: 00 00 00 00 00 be 00 00 00 00 00 00 00 7f 8a 88    .....?.......???
70: 5e 5e c6 03 61 0a 70 c5 00 01 00 00 c0 b9 00 00    ^^??a?p?.?..??..
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
90: 03 5b 00 00 ff ff 00 00 00 00 00 00 00 00 00 00    ?[..............
a0: 00 00 00 00 00 1d 00 00 00 00 00 00 00 00 00 00    .....?..........
b0: 1c 13 1f 08 25 00 18 00 8e 33 83 74 00 00 00 00    ????%.?.?3?t....
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
d0: 00 43 94 00 60 40 00 02 00 73 00 00 00 00 00 00    .C?.`@.?.s......
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00    ................
f0: 5f 55 42 39 36 30 00 00 00 00 00 00 00 00 00 00    _UB960..........

Best Regards,

Jack

Hello Jack,

there are too many differences between both settings:

0x0D - 0x14 - GPIO configs and status are different. You need to make sure you have the right GPIOs settings.
0x19 - 0x1C - Frame sync settings are different. make sure they are configured as the imager require.
0x1F - good, CSI TX speed set to 1.2Gbps/lane. Bad, 800Mbps/lane
0x21 - good, round robin forwarding enabled for CSI tx port 0 and 1. bad, only CSI tx port 0 is enabled.
0x23 - good, no enabled interrupts. bad, various interrupts are enabled.
0x33 - good, using 2 CSI lanes. bad using 4 CSI lanes,
0x4C - good, register reads from RX port 0. bad register reads from RX 1
0x5C - two different SER Aliases are used.
0x5D - two different Imager ID are used.
0x65 - two different Imager Aliases are used.
0x6E - good, sending Frame sync over back channel GPIO1 and sending constant 0 over GPIO0. bad, is doing the opposite.
0x70 and 0x71, different VC are used for the incoming signals.
0x73 - 0x76 - different resolutions are being received.
0x7D - different port pass settings.

Hi Hamzeh,

This for helping to comparing them, and I wonder which one will be related to this issue? We couldn't get the video when connecting the IVI system, thanks!

Best Regards,

Jack

Hi Hamzeh,

Thanks for your reply, my customer find the root cause , they use wrong DIN and set wrong timing in SOC. For wrong DIN PIN connection, they need to change it.

Here is UB962 Raw 10 8-bit register configure (using DIN2~DIN9):

Here is the UB933 schematic, using DIN0~DIN7:

1643.DS90UB933TRTVRQ1_2_Reviewed_20240229.pdf

Because the IVI system is RTM, they couldn't change the UB962 anymore, they will change the LVDS from DIN0~DIN7 to DIN2~DIN9, they wonder what else do we need to care about, thanks!

Best Regards,

Jack