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DS90UB954-Q1: DS90UB954-Q1

Part Number: DS90UB954-Q1

Hello;

Our customer whose application is sensor+DS90UB913+ DS90UB954+CPU SDM660 CSI-2 output.

Now the question is that the resolution of sensor is 948x1109 raw 10, but the 954 detected it is 2740x562. In addition, when he checked the registers of 913, there is error of Back channel CRC. Below is the registers configuration, please help to analysis.

DS90UB913 Registers Dump:
Reg[0x00]:0xb0 Reg[0x01]:0x30 Reg[0x02]:0x20 Reg[0x03]:0xc7 Reg[0x04]:0x80 Reg[0x05]:0x14 Reg[0x06]:0xe7 Reg[0x07]:0x00 Reg[0x08]:0xe6 
Reg[0x09]:0xe6 Reg[0x0a]:0x01 Reg[0x0b]:0x00 Reg[0x0c]:0x17 Reg[0x0d]:0x55 Reg[0x0e]:0x35 Reg[0x0f]:0x18 Reg[0x10]:0x17 
Reg[0x11]:0x65 Reg[0x12]:0x65 Reg[0x13]:0x00 Reg[0x14]:0x00 Reg[0x1e]:0xfe Reg[0x2a]:0x00 Reg[0x2d]:0x00 Reg[0x35]:0x00

DS90UB954 Registers Dump:
Reg[0x00]:0x60 Reg[0x01]:0x00 Reg[0x02]:0x1e Reg[0x03]:0x20 Reg[0x04]:0xdf Reg[0x05]:0x01 Reg[0x06]:0x00 Reg[0x07]:0xfe Reg[0x08]:0x1e 
Reg[0x09]:0x1c Reg[0x0a]:0x78 Reg[0x0b]:0x78 Reg[0x0c]:0x81 Reg[0x0d]:0x09 Reg[0x0e]:0x01 Reg[0x0f]:0x01 Reg[0x10]:0x00 
Reg[0x11]:0x13 Reg[0x12]:0x13 Reg[0x13]:0x81 Reg[0x14]:0x13 Reg[0x15]:0x13 Reg[0x16]:0x13 Reg[0x17]:0x00 Reg[0x18]:0x00 
Reg[0x19]:0x00 Reg[0x1a]:0x00 Reg[0x1b]:0x00 Reg[0x1c]:0x00 Reg[0x1d]:0x00 Reg[0x1e]:0x04 Reg[0x1f]:0x03 Reg[0x20]:0x20 
Reg[0x21]:0x01 Reg[0x22]:0x00 Reg[0x23]:0x00 Reg[0x24]:0x00 Reg[0x25]:0x00 Reg[0x26]:0x00 Reg[0x27]:0x00 Reg[0x28]:0x00 
Reg[0x29]:0x00 Reg[0x2a]:0x00 Reg[0x2b]:0x00 Reg[0x2c]:0x00 Reg[0x2d]:0x00 Reg[0x33]:0x01 Reg[0x34]:0x40 Reg[0x35]:0x01 
Reg[0x36]:0x00 Reg[0x37]:0x01 Reg[0x39]:0x00 Reg[0x3a]:0x00 Reg[0x41]:0xa7 Reg[0x42]:0x71 Reg[0x43]:0x01 Reg[0x4a]:0x00 
Reg[0x4b]:0x12 Reg[0x4c]:0x01 Reg[0x4d]:0x13 Reg[0x4e]:0x45 Reg[0x4f]:0x25 Reg[0x50]:0x20 Reg[0x51]:0x00 Reg[0x52]:0x00 
Reg[0x53]:0x00 Reg[0x54]:0x00 Reg[0x55]:0x00 Reg[0x56]:0x00 Reg[0x57]:0x00 Reg[0x58]:0x58 Reg[0x59]:0x00 Reg[0x52]:0x00 
Reg[0x53]:0x00 Reg[0x54]:0x00 Reg[0x55]:0x00 Reg[0x56]:0x00 Reg[0x57]:0x00 Reg[0x58]:0x58 Reg[0x59]:0x00 Reg[0x5a]:0x00 
Reg[0x5b]:0xb0 Reg[0x5c]:0xb0 Reg[0x5d]:0x34 Reg[0x5e]:0x00 Reg[0x5f]:0x00 Reg[0x60]:0x00 Reg[0x61]:0x00 Reg[0x62]:0x00 
Reg[0x63]:0x00 Reg[0x64]:0x00 Reg[0x65]:0x34 Reg[0x66]:0x00 Reg[0x67]:0x00 Reg[0x68]:0x00 Reg[0x69]:0x00 Reg[0x6a]:0x00 
Reg[0x6b]:0x00 Reg[0x6c]:0x00 Reg[0x6d]:0x7f Reg[0x6e]:0x80 Reg[0x6f]:0x88 Reg[0x70]:0x2b Reg[0x71]:0x2c Reg[0x72]:0xe4 
Reg[0x73]:0x02 Reg[0x74]:0x32 Reg[0x75]:0x0a Reg[0x76]:0xb4 Reg[0x77]:0xc5 Reg[0x78]:0x00 Reg[0x79]:0x01 Reg[0x7a]:0x00 
Reg[0x7b]:0x00 Reg[0x7c]:0x20 Reg[0x7d]:0x00 Reg[0x7e]:0x00 Reg[0x7f]:0x00 Reg[0xa5]:0x18 Reg[0xb0]:0x02 Reg[0xb1]:0x49 
Reg[0xb2]:0x00 Reg[0xb3]:0x08 Reg[0xb8]:0x8f Reg[0xb9]:0x33 Reg[0xba]:0x83 Reg[0xbc]:0x80 Reg[0xbe]:0x00 Reg[0xd0]:0x00 
Reg[0xd2]:0x94 Reg[0xd3]:0x03 Reg[0xd4]:0x60 Reg[0xd5]:0xf2 Reg[0xd8]:0x00 Reg[0xd9]:0x00 Reg[0xda]:0x00 Reg[0xdb]:0x00 
Reg[0xdc]:0x00 Reg[0xdd]:0x00 Reg[0xde]:0x00 Reg[0xdf]:0x00 Reg[0xf0]:0x5f Reg[0xf1]:0x55 Reg[0xf2]:0x42 Reg[0xf3]:0x39 
Reg[0xf4]:0x35 Reg[0xf5]:0x34 Reg[0xf8]:0x00 Reg[0xf9]:0x00

Best regards

Kailyn

  • Hi, it means your link setting has some problems, pls check:
    1. what is the UB913a's mode setting (set from UB965)? is it raw10 or raw12?
    2. what is the sensor output format? is it right that the video format is 948x1109 (so special video format)?
    3. what is the PoC circuit of UB954? is it same as UB913a's PoC network design? if NOT, pls follow up UB913a's design.
    4. what is the cable and connector S11/S21 and impedance parameters?

    regards,
    Steven