Yamaha Disklavier MX-100A Service Manual page 51

YM2019 KAPP (Key Assigner for Piano Player)
1. OVERVIEW
This LSI detects the operation being executed (keys, hammers and pedals) while a piano is being
played. Its offers the features listed below:
1) Detects the ON/OFF timing of keys in eight octaves (96keys) and the hammer speed. (For up to
16 concurrently sounded notes.)
2) Detects the ON/OFF status of the damper and shift pedals.
3) The above performance events are output as serial data each time a GET pulse is input.
2. LIST OF YM2019 TERMINALS
48