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| 型号： | M2256PW |
| 厂商： | 3M |
| 文件页数： | 18/41页 |
| 文件大小： | 306K |
| 描述： | DISPLAY SCREEN 22" MULTI-TOUCH |
| 视频文件： | Perceptive Pixel and 3M Projected Capacitive Technology 3M? GLOVE TOUCH 3M? Multi-Touch Speeds 3M? Multi-User Imagine the Possibilities of 3M? Multi-Touch |
| 标准包装： | 1 |
| 显示器类型： | * |
| 显示模式： | * |
| 可视范围： | * |
| 背光： | * |
| 点象素： | * |
| 接口： | * |
| 点尺寸： | * |
| 点间距： | * |
| 其它名称： | 3M10400 98000335129 |
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3M? Multi-touch Display M2256PW User Guide 25
3M Touch Systems, Inc. Proprietary Information – 37531 Rev D
POC Status – The status of the Power-on Checks. Various controller systems are
checked at power-up. If any failures in these systems are detected, a POC flag is set. The
POC status field reports the state of these flags.
Table 7. Power On Check Bit Fields
Bit Number
Description
Notes
0 Not used
1 ROM_ERROR Code area checksum error
2 PWM Error Touch screen not connected or potential problem
3 NOV_ERROR Parameter blocks checksum error
4 HDW_ERROR Problem with ADCs
5--7 Not used
Cmd Status – The status for the last command request. This field is used to determine
whether the last request was processed successfully. It is also used to track the progress
of a multi-stage request, such as 2 point calibration. The Status Request does not affect
the contents of this field, i.e., successful or
unsuccessful processing
of a previous status
request does not cause the command status field to be updated.
Table 8. Valid Command Status Field Entries
Response
Description
0 Failure in command processing
1 Command being processed
2 Stage 1 processing complete (for multi-stage commands)
3 Command complete
4 Soft Reset Occurred
5 Hard Reset Occurred
6 -- 7 Not used
Get Feature - GetMaxCount
This is a request to send information that indicates the maximum number of
simultaneous touches supported by the controller.
Table 9. Setup Stage
Offset
Field
Size
Value
Description
0 bmRequestType 1 0xA1 Class,D2H,Interface
1 bRequest 1 0x01 Get Report
2 wValue 2 0x0312 msb=03=Feature
lsb=12 Feature Report ID
4 wIndex 2 0 Always 0
6 wLength 2 2 Always 2
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| M225759/34-22-9 | 制造商:ALCATEL 功能描述:M22759/34-22-9 STR TNC XL-ETFE WHT 150C 600V **QPL/CTR** |
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