DW3000 Customer OTP space

Wireless Connectivity Ultra-Wideband
1

I want to use the customer OTP address space 0x10 to 0x1D to store some application related values. When i check the space on a dwm3001c, not all address fields are zero. Can someone explain what these values are? They are also different on different boards.

address: 0x10 Value: 0x0000
address: 0x11 Value: 0x91919191
address: 0x12 Value: 0x0000
address: 0x13 Value: 0x91919191
address: 0x14 Value: 0x0000
address: 0x15 Value: 0x0000
address: 0x16 Value: 0x0000
address: 0x17 Value: 0x0000
address: 0x18 Value: 0x0000
address: 0x19 Value: 0x748b
address: 0x1a Value: 0xffd7ffa3
address: 0x1b Value: 0xf000f0
address: 0x1c Value: 0x40164016
address: 0x1d Value: 0x0000

How ever, on a custom board using the DW3000 IC, all the addresses are zero.

2

Hi,
Each DWM3001C device is factory calibrated, with calibration data stored in OTP.
Please check the DWM3001C data sheet for details of the OTP memory map.

https://www.qorvo.com/products/d/da008289

3

Thanks for the response. This explains why.
I was only looking at DW3000 user manual.

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