Yamaha Disklavier MX-100A Service Manual page 55

Description of the Data
DO D1 D2 D3 D4 D5 D6 D7
Data Name
INDEX ————INDEX——————0 1 EV
Key-On Event
——NOTE—————BLOCK———1
1/2
Key-On Event
——————LEVEL———————
2/2
Key-OFF
———NOTE————BLOCK———0
Event
Special-ON
—Special— 0 0 0 0 1
Event
Special-OFF
—Special— 0 0 0 0 0
Event
3-6. Timing Controller
When an pulse (minimum pulse width of 8mSec.) is received, the internal registers and timer are all
cleared and the internal clock is woke up.
When a pulse (minimum pulse width of 8mSec.) is received, changes in the Special Function
switches are detected, and event data transmission is controlled.
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EV="1" when an event has occurred.
EV="0" when no event has occurred.
When a Key ON event occurs, key data
and l e v e l data are sent as a p a i r .
NOTE(0,1,2,4,5,6,8,9,10,12,13,14)
BLOCK(0~7)
Special No.(1~7)