What is the difference of ICE40LP1K-CM36 vs. -CM36A, and if the design can be shared on the same board?
Description:
There is only 1 change between the 2 packages, which is the connection of A4 and A5 balls.
For the CM36, A4 is connected to VCCIO_0_1 while A5 to VPP_FAST. Thus, the board should have A4(VCCIO_0_1) and A5(VPP_FAST) connected together externally.
For the CM36A, A4 is connected to VCCIO_0 while A5 to VCCIO_1. A4(VCCIO_0) and A5(VCCIO_1) are separate rails, but those pins can be connected together on the board to the same rail.