CC13xx External 24 MHz Lock

Jehangir Parvereshi

Hi,

We plan on driving the CC13xx X24M_P pin with an external low power 24 MHx clock source. Can you please specify the phase noise requirements for this external clock source. A list of key frequency offsets and the corresponding phase noise power (dBc/Hz) would be good to have.

over 7 years ago

0 TER over 7 years ago

TI__Guru**** 317180 points

At the moment only the use of a xtal is supported as clock source for CC13xx.

0 Mizanur Chowdhury over 7 years ago in reply to TER

TI__Genius 17270 points

Hello TER,

Will CC13xx support a 24MHz external clock as the high frequency clock source instead of 24MHz Crystal ? When?

Another question:

Fig 4-2 on Page 9 shows pin 30 as X24M_P, but Table 4_2 on page 10 writes pin 30 as X24M_N. Will this be corrected?

If using an external clock signal is supported, will the single ended clock be connected to pin 30?

Best regards,

Mizanur

0 TER over 7 years ago in reply to Mizanur Chowdhury

TI__Guru**** 317180 points

CC13xx will not support other clock sources than a crystal. TCXO or other sources will not be supported.

The table is correct, it was filed a ticket on this earlier today.

Sub-1 GHz

Sub-1 GHz forum

CC13xx External 24 MHz Lock