SaMoCon.md

@@ -116,7 +116,9 @@ Pins:
 - MOSI: (PD21)
 - CLK: (PD22)
 - CS0: (PB2)
-- CS1: ()  
+- CS1: (PD25)
+- CS2: (PD12)
+- CS3: (PD27)  
 
 ### I2C
 Two-Wire interface (TWIHS) with pins TWCK and TWD (equivalent to SCL, SDA respectively) will be used. The microcontroller incorporates three TWIHS peripherals.