CTANK on CY8CKIT-145-40xx Kit - KBA219144

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Why can’t I use the CTANK Capacitor on CY8CKIT-145-40xx?



For CY8CKIT-145-40xx, which has the PSoC® 4 S-Series device, valid pins to have CTANK are P4.1, P4.2, and P4.3. These pins are used to place the capacitors CMOD, CINTA, and CINTB respectively. If you are using both CSD and CSX in the PSoC 4 S-Series, you cannot use the CTANK capacitor because of the dedicated pin limitation for CMOD, CINTA, CINTB, and CTANK. 

Note: This also applies for CY8CKIT-41-40xx and CY8CKIT-048 PSoC® Analog Coprocessor Pioneer Kit.