User's Manual

Reference design 60 GHz radar FF module

User manual and integration instructions

FCC considerations

5.9 Test mode command

The UART interface can be used to set up the module in test mode. The following table show the commands

for entering different test modes. After power-up or reset, the module will be in presence detection mode,

which is sending FMCW chirps. An acknowledge command will be sent from the module after a valid command

is received.

Command name

Binary command

Enable presence detection

D9 0A 01 00 01 28 C1

Disable presence detection

D9 0A 01 00 00 09 D1

Enable RFCW output at 61.019 GHz (low)

D9 0B 01 00 01 9C B7

Enable RFCW output at 61.249 GHz (mid)

D9 0B 01 00 02 FF 87

Enable RFCW output at 61.479 GHz (high)

D9 0B 01 00 03 DE 97

Disable RFCW output

D9 0B 01 00 00 BD A7

Deep sleep mode

D9 0E 01 00 01 D9 0B

To enable RFCW mode, please follow the below command sequence:

Disable presence detection → Enable RFCW output (low/mid/high)

To resume chirp mode from RFCW mode, please follow the below command sequence:

Disable RFCW output → Enable presence detection

5.10 Important notes

The host product manufacturer must provide the below text to the end-user:

a) Changes or modifications not expressly approved by the party responsible for compliance could void the

user’s authority to operate the equipment.

b) This device complies with Part 15 of the FCC rules. Operation is subject to the following conditions:

 This device may not cause interference.

 This device must accept any interference, including interference that may cause undesired operation of

the device.