Hello.I have a shield MKR SD PROTO and I want connect with arduino uno .I know from the programm the CLK pin must go to pin 13 on arduino and the CS pin on pin 4 on arduino,but in shield MKR SD PROTO there isn't this pin.There is only 5v,vin,vcc,gnd,reset,tx,rx,scl,sda,miso,sck,mosi
aref,dac0/a0,a1,a2,a3,a4,a5,a6,0,1,2,3,4,5,