P0103 Datasheet, PDF (22/50 Pages) AEL Crystals Ltd – Introduction of the VEEK-MT

Table 3-6 Interface Definitions of Terasic Multi-touch IP
Pin Name
Direction Description
iCLK
Input
Connect to 50MHz Clock
iRSTN
Input
Connect to system reset signal
iTRIG
Input
Connect to Interrupt Pin of Touch IC
oREADY
Output Rising Trigger when following six output data
is valid
oREG_X1
Output 10-bits X coordinate of first touch point
oREG_Y1
Output 9-bits Y coordinate of first touch point
oREG_X2
Output 10-bits X coordinate of second touch point
oREG_Y2
Output 9-bits Y coordinate of second touch point
oREG_TOUCH_COUNT
oREG_GESTURE
Output
Output
2-bits touch count. Valid value is 0, 1, or 2.
8-bits gesture ID (See Table 3-7)
I2C_SCLK
Output Connect to I2C Clock Pin of Touch IC
I2C_SDAT
Inout
Connect to I2C Data Pin of Touch IC
The supported gestures and IDs are shown in Table 3-7.
Table 3-7 Gestures
Gesture
ID (hex)
One Point Gesture
North
0x10
North-East
0x12
East
0x14
South-East
0x16
South
0x18
South-West
0x1A
West
0x1C
North-West
0x1E
Rotate Clockwise
0x28
Rotate Anti-clockwise
0x29
Click
0x20
Double Click
0x22
Two Point Gesture
North
0x30
North-East
0x32
East
0x34
South-East
0x36
South
0x38
South-West
0x3A
West
0x3C
North-West
0x3E
Click
0x40
VEEK-MT User Manual
19
www.terasic.com
May 20, 2014