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Transmits data detected by key scan (OADG standard keys) to the system.
(6)
RS232C serial interface
Communicates with the system via the RS232C serial interface to acquire a control
command for the supplementary function section.
Transmits data detected by key scan (exclusive keys for EUB), rotary switch scan,
rotary encoder scan, slide variable resistor scan, etc.
(7)
Version signal readout
Acquires data from a specific address when turning ON the power.
(8)
ON/OFF control of key switch LED
Controls backlight LED (green and red) of keys on request from the system.
(9)
Buzzer output control
Sounds the buzzer when detecting key ON.
4.2.6.3 TR unit
Turning the ball acquires relative coordinates in the X and Y directions and outputs data.
In addition, takes in signals corresponding to 2 buttons and outputs them.
(1)
Receiving data
Communicates in the serial interface of clock sync to set transmission parameters
based on commands from the main unit.
(2)
Transmitting data
Communicates in the serial interface of clock sync to transmit button, XY sign and XY
overflow data in the 1st byte, and relative coordinate data in the X direction in the 2nd
byte and relative coordinate data in the Y direction in the 3rd byte.
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L1E-EA0229
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