Great Scott Gadgets HackRF - Future USB Enhancements; Future Power Management Design; Future Regulator Circuitry; Future Button Additions

HackRF
P31 BANK1_AUX
Pin Function
1 B1AUX9
2 B1AUX10
3 B1AUX11
4 B1AUX12
5 B1AUX13
6 B1AUX14
7 B1AUX15
8 B1AUX16
9 GND
10 GND
21.6.3 External clock
P2 CLKOUT
Install C165 and R92 as necessary to match output. For CMOS output, install 0 ohm resistor in place of C165; do not
install R92.
Pin Function
1 CLKOUT
2 GND
3 GND
4 GND
5 GND
P16 CLKIN
Install C118, C164, R45, R84 and R85 as necessary to match input.
For CMOS input, install 0 ohm resistors in place of C118 and C164; do not install R45, R84, or R85.
Pin Function
1 CLKIN
2 GND
3 GND
4 GND
5 GND
80 Chapter 21. Jawbreaker