Dual Channel MIDI Foot Switch

I/O Assignment

Input/Output assignments to/from the ATMega328 are as follows:

Port Function Usage
0-1 Serial rx/tx MIDI Out
2 Digital Out Shift Out DS
3 Digital Out Shift Out SH_CP
4 Digital Out ST_CP
5 Digital In S0, A/B Switch
6 Digital In S1, Bank Down Switch
7 Digital In S2, Bank Up Switch
8 Digital In S3, Patch 1 Switch
9 Digital In S4, Patch 2 Switch
10 Digital In S5, Patch 3 Switch
11 Digital In S6, Patch 4 Switch
12 Digital In S7, Patch 5 Switch

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