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参数资料
| 型号： | 500628 |
| 厂商： | Bergquist |
| 文件页数： | 8/13页 |
| 文件大小： | 0K |
| 描述： | DEVIL RAY CONTROLLER 4/5/8WIRE |
| 标准包装： | 10 |
| 系列： | Devil Ray |
| 附件类型： | 触摸屏 -控制器 |
| 适用于相关产品： | 4/5/8 线模拟电阻式触摸屏 |
| 其它名称： | BER316 |
Communication Protocol
All TSHARC touch screen controllers communicate with the host computer via 4-byte (RS-232) or 5-byte (USB)
communication protocol. Microchip’s 4-byte communication protocol produces the industry’s most reliable, accurate
data transfer information without compromising touch speed.
Byte
1
2
3
4
5
Byte
1
2
3
4
Bit 7
0
X7
0
Y7
0
Bit 7
1
0
0
0
Bit 6
0
X6
0
Y6
0
Bit 6
P
X8
Y8
0
Bit 5
0
X5
0
Y5
0
Bit 5
X11
X7
Y7
0
Bit 4
0
X4
0
Y4
0
Bit 4
X10
X6
Y6
0
Bit 3
0
X3
X11
Y3
Y11
Bit 3
X9
X5
Y5
X1
Bit 2
0
X2
X10
Y2
Y10
Bit 2
Y11
X4
Y4
X0
Bit 1
0
X1
X9
Y1
Y9
Bit 1
Y10
X3
Y3
Y1
Bit 0
P
X0
X8
Y0
Y8
Bit 0
Y9
X2
Y2
Y0
Where:
P - 0 Pen-Up, 1 Pen-Down
X11-X0 - 12 bit X position data
Y11-Y0 - 12 bit Y position data
PU - 0 no Pen-Up, 1 Pen-Up
PD - 0 no Pen-Down, 1 Pen-Down
CK7-CK0 - AAH + 55H + Sum of Bytes 2 through 9
Status LED Indicator
The TSHARC? Devil Ray touch screen controller board is equipped with a status indicator LED. This LED will give
information regarding the functionality of the controller.
When the Devil Ray controller is powered on it will detect the touch screen type as follows:
Turns on and then off 2 times when the controller detects that it is connected to RS-232 or USB.
The LED turns on and then off 1 time when it detects a 4, 5 or 8 wire touch screen.
The LED will blink very rapidly (looks like it is on constant) when the touch screen is being touched.
The LED will blink twice, first quickly and then a longer blink, when a hardware EEPROM reset is
implemented upon power-up.
Touch Screen Connections
Touch screen connector type: 2 x 8, .100”, .024”sq., .230” mating length, pin strip header. Sullins part number:
PTC08DBAN.
The TSHARC calibration software supplied with the controller must be run to map the touch screen to the display .
Auto detect 4, 5 and 8 wire touch screens connected to position “H2”, “H3”
The Devil Ray controller will automatically detect and configure to decode both industry standard 4-wire touch screen
pin-outs as well as both industry standard 5-wire touch screen pin-outs. It is important to connect the touch screen
to the correct set of pins. Connect your 4 wire, 5 wire or 8 wire touch screen to the controller as identified in the
diagram below. Once the controller is powered on, it will automatically configure itself for the touch screen
connected.
In order to enable the Devil Ray board to autodetect 4, 5, and 8 wire touch screens it utilizes an on board multiplexor
to decode three of the four sides of an 8 wire screen. The fourth side is decoded, but not through the multiplexor. In
rare cases, and on some inexpensive, low resistance 8 wire touch screens, you may need to enable the ratiometric
conversion on the fourth side of the screen. In this case, you may order the Devil Ray with 100% 8 wire ratio metric
functionality. However, you will not be able to autodetect 4 and 5 wire touch screen technologies once the board is
factory configured for exclusive 8 wire ratiometric conversion algorithms.
8
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