Other Parts Discussed in Thread: CC-DEBUGGER
we do RF test for CC1125 , chip out of the maximum power is only about 7dBm (we set 15dBm),
now we doubt register configuration problem, need help to analyze
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Smart RF is not supported for testing in this project. It can only be set by sending commands(CMD). The commands sent are as follows:
echo "43" > read && dmesg -c
echo "12044 86" > write && dmesg -c
echo "12045 236" > write && dmesg -c
echo "12046 40" > write && dmesg -c
echo "12049 5" > write && dmesg -c
/*Set modulation mode 2-GFSK*/
echo "11 10" > write && dmesg -c
/*set power 15dBm*/
echo "43 127" > write && dmesg -c
echo "53" > cmd && dmesg -c
Schematic diagram (partial)
Still recommend to connect the CC1125 to a CC-debugger so the unit can be controlled via SmartRF studio. In order to test the hardware with a known software test suite.
The schematic values looks fine.
Are you using 0201 or 0402 ?
Do you have the pcb-stackup as well ?
How can CC1125 on our board connect to smartRF studio? At present, the USB can't recognize the connecting; Finally, we have to use our own software to control cc1125, so we need to make clear for the specific register configuration.
We use 0201
PCB 6 layers, RF is on the bottom layer
PA_ CFG2 is configured as 0x7F, max power
My client needs to know how his board can connect smartRF studio and what is the correct register configuration first. So would you please reply to this question first？Thank you.
My client now suspects that maybe the register configuration problem is wrong, because now he tests his board, the base wave is like 434.88mhz, as shown in the following figure.
When testing Ti demo board，it is normal.