Waveshare epaper 4.2 & FireBettle2 DFR1139

I'm looking for a little help with pinouts:

Waveshare epaper to Firebettle2

Busy - 

RST -

DC -

CS -

CLK - 18/sck

DIN - 19/miso

GND - gnd

3.3v - 3.3

thanks for any help.

Bob