MicroTouch Micro Touch Capacitive Controller MT3000, Reference Manual, Page: 46 / 64

MT3000 Capacitive Controller Reference Guide 46
MSB* Bits LSB*
Data Sequence 7 6 5 4 3 2 1 0
S - Byte 1 1 S6 S5 S4 S3 S2 S1 S0
X - Byte 2 0 X6 X5 X4 X3 X2 X1 X0
x - Byte 3 0 X13 X12 X11 X10 X9 X8 X7
Y - Byte 4 0 Y6 Y5 Y4 Y3 Y2 Y1 Y0
y - Byte 5 0 Y13 Y12 Y11 Y10 Y9 Y8 Y7
* MSB = Most Significant Bit, LSB = Least Significant Bit
Table 7 defines the status bits (Byte 1) for the Format Tablet data.
Table 7. Format Tablet Status Bits
Bit Description Values
S0
S1
Switch 1 status
Switch 2 status
For the TouchPen only.
1 = Switch is on (pressed).
0 = Switch is off.
S2 – S5 Reserved —
S6 Proximity
(touch state) 1 = Touchscreen is being touched (a
touchdown or a continued touch).
0 = Touchscreen is not being touched (a
touch liftoff or inactive).
When the proximity bit changes from 1 to 0
(touch liftoff), the controller outputs one
final set of X/Y coordinate data with the bit
equal to 0 and the X/Y coordinate data equal
to the last touch point.
S7 Packet
synchronization Always 1.