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Fix Lattice ICE40HX4K-TQ144 VCC_SPI pin direction

KiCad Bot requested to merge github/fork/joshtyler/fix_hx4k into master

Created by: joshtyler

This fixes a small error I made in #2144 . I accidentally set VCC_SPI as bidirectional, when it is actually a power input. This causes a ERC warning in a sensible design.

Here is the relevant part of the datasheet (p.34)

image

Here is the changed symbol: image

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