EXII-7719UC 3M, EXII-7719UC Datasheet - Page 17

• Manufacturer Part Number: EXII-7719UC
• Description: CONTROLLER EXII USB 1X2 CAPAC
• Manufacturer: 3M
• Series: MicroTouch™ Controller EXr

Specifications of EXII-7719UC

• Accessory Type: Touch Screen - Controller
• Operating Supply Voltage: 5 VDC
• Resolution: 16 K x 16 K
• For Use With/related Products: ClearTek™ Touch Screens
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 3M5766; 98-0003-1996-6

3M™ MicroTouch™ Controller EX USB Reference Guide
Sending Commands to the Controller
Receiving Reports from the Controller
Offset
0
1
2
4
6
Field
bmRequestType
bRequest
wValue
wIndex
wLength
Table 5. General Format for Vendor Requests
The Type field should be set to Vendor (0x10). The Recipient field should be set to
Device. The Direction field depends on the command.
Four reports can be sent from the controller to the host. These reports fit into two
categories: those sent immediately in response to a host request (synchronous) and those
sent when updates to the data they contain become available (asynchronous).
Synchronous reports:
•
•
•
Asynchronous reports:
•
Some possible reasons for a command failure include:
•
•
•
Report 4
Report 6
Report 12
Report 1
The command was not formatted correctly.
The system parameters were not set up to allow command execution.
The controller does not support the command.
3M Touch Systems, Inc. Proprietary Information
Size
1
1
2
2
2
Value
d1000000
0xXX
0xXXXX
0xXXXX
0xXXXX
Parameter Data
Status
Controller ID
Coordinate Data
Description
Characteristics of request [dir, type, recipient]
D7: Data Transfer Direction
D6… 5 Type
D4…0 Recipient
Specific request [our command number]
Used to specify command parameters
Used to specify command parameters
Number of bytes to transfer
0 = Host-to-device
1 = Device-to-host
0 = Standard
1 = Class
2 = Vendor
3 = Reserved
0 = Device
1 = Interface
2 = Endpoint
3 = Other
4…31 = Reserved
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