Projected Capacitive Touch Solution General Specification

Transcription

1 Doc. Version A Total Page 13 Date Projected Capacitive Touch Solution General Specification Model No.: MGG0700BU PANJIT All Rights Reserved.

2 TABLE OF CONTENTS 1. Revision History Scope Product Specifications General Specifications Mechanical Specifications Mechanical Dimension... 4 Touch Module <Front and Side View>... 4 Touch Module <Rear View> Software Specifications Interface Specifications USB Interface Electrical Specifications General Descriptions Control IC Features IC Electrical Characteristics Pin out and Package Definition / 13

3 1. Revision History Item Version Firmware Version Subject Date 1 A CYTST120_2600_G_ Initial Release 2010/02/02 2 / 13

4 2. Scope This specification is applied to PANJIT 7 Projected Capacitive touch Module only. Ordering P/N: MGG0700BU08 3. Product Specifications 3.1 General Specifications Technology Active Area Input Method Projected Capacitive x mm Finger 3.2 Mechanical Specifications Part Number Part name thickness material, 1 Cover lens 0.7 mm Glass 2 Optical Bonding 0.1 mm UV Glue 3 FPC 0.3 ±0.03m CU 4 ITO Glass 0.5 mm Glass 5 Protect film (Top) 6 Protect film (Lower) 3 / 13

5 3.3 Mechanical Dimension Touch Module <Front and Side View> 4 / 13

6 Touch Module <Rear View> Pin No. Symbol I/O Function Remark 1 VDD P Power Voltage(3.3V) 2 GND P Power GND 3 XRES I Reset (Active High) 4 Reversed I 5 Reversed I/O 6 Reversed O 7 D+ I USB Signal 8 D- P USB Signal 5 / 13

7 4. Software Specifications 4.1 Interface Specifications System Diagram V DD 16-bit PR S O scillator SW 1 1/2 AD C PW M SW 2 V R E F EN 16-bit Tim er D ata Processing C M O D R B C X SW 3 Figure1. System Diagram 4.2 USB Interface Depending on different firmware, the touch module can support I2C or USB interfaces. Users can use VDD, GND, D+, D- pins to connect USB host. The default power voltage is DC 3.3V. If the VBUS from USB host is DC 5V voltage, a linear regulator (LDO) will be used, which soldering pad may be reserved on the FPC. The D+ and D- signal lines control the data between the touch module and the host.. The firmware can be as a pure USB device or a composite device depending on different applications. The simple is as a pure USB mouse or a pure HID vendor defined device. Normally it is for Linux or embedded systems. In Windows operation systems, it could be a composite device for using the inbox driver of touch device. For example, when the touch device is plugged in Win2000/XP operation systems, it will be as a HID mouse device. If it was plugged in Win7 system, it will be automatically as a HID multi-touch digitizer. For specific applications, it also could be as a HID vendor defined device through software setting to start communication by vendor defined protocol. 6 / 13

8 The following is the data package as a pure USB mouse. Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0: Status Right Left Byte 1: X(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 2: X(H) X11 X10 X9 X8 Byte 3: Y(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 4: Y(H) Y11 Y10 Y9 Y8 Byte 5: Wheel R R R R R R R F/R When the gesture is press and hold, Right button will be set. When the gesture is zoom-in, the sixth byte reports a 0x01, and when the gesture is zoom-out the sixth byte reports 0xFF. When the others, this byte is assigned 0x00. And for a composite device, the data package is as following specifically. When as a HID mouse: : Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0: Report ID Byte 1: Status Right Left Byte 2: X(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 3: X(H) X11 X10 X9 X8 Byte 4: Y(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 5: Y(H) Y11 Y10 Y9 Y8 Byte 6: Wheel R R R R R R R F/R When the gesture is press and hold, Right button will be set. When the gesture is zoom-in, the sixth byte reports a 0x01, and when the gesture is zoom-out Byte 6 reports 0xFF. When the others, this byte is assigned 0x00. 7 / 13

9 When as a HID vendor defined: MGG0700BU08 : Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0: Report ID Byte 1: (reserve) (reserve 2) (reserve 1) Byte 2: X1(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 3: X1(H) X11 X10 X9 X8 Byte 4: Y1(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 5: Y1(H) Y11 Y10 Y9 Y8 Byte 6: Special (reserve) Byte 7: Special (reserve) Byte 8: X2(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 9: X2(H) X11 X10 X9 X8 Byte 10: Y2(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 11: Y2(H) Y11 Y10 Y9 Y8 Byte 12: (reserve) (reserve) Byte 13: (reserve) (reserve) When as a HID multi-touch digitizer in Win7: : Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Byte 0: Report ID Byte 1: Status InRange Tip Byte 2: Contact ID ID1 Byte 3: X1(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 4: X1(H) X11 X10 X9 X8 Byte 5: Y1(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 6: Y1(H) Y11 Y10 Y9 Y8 Byte 7: Status InRange Tip Byte 8: Contact ID ID2 Byte 9: X2(L) X7 X6 X5 X4 X3 X2 X1 X0 Byte 10: X2(H) X11 X10 X9 X8 Byte 11: Y2(L) Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 Byte 12: Y2(H) Y11 Y10 Y9 Y8 Byte 13: Actual count /1 0/1 8 / 13

10 5. Electrical Specifications 5.1 General Descriptions Touch Solution Communications Protocol Chip Projective capacitive touch module USB TST120 (Single chip) Resolution 4096 x 4096 Operation Voltage +5Vdc ±5% Power Consumption Operating current : 32 ma Operating Temperature -20 ~705 Storage Temperature -20 ~ 70 Electro-Static Discharge(ESD) 2KV Warranty 1 Year Table 1 Touch Module specification 5.2 Control IC Features Projective touch screen Control IC. Processor Speeds to 24 MHz. Support 43ch I/O. Support 4096x4096 resolution Low power consumption RoHS-Lead free compliant Auto Noise Filter Function. Special Gesture Support. I2C, SPI, and USB Interface. Customer Function Design. 9 / 13

11 TST120 control IC is projected capacitive touch screen control IC designed for serial interface, and supports Max. 43Ch I/O projective touch screen. It brings flexibility and selective functionality to supply the application varieties of touch screen. This high performance electronics platform provides 12-bits high resolution, on-chip non-volatile memory to store calibration data and application parameters, with wide operating temperature range. Combined with high performance controller, enhanced software support and friendly user interfaces. 5.3 IC Electrical Characteristics Parameter Min Type Max Unit Digital Supply Voltage V Operating Temperature Range I/O Cin pf(25 ) I/O Cout pf(25 ) I/O Cinoa pf(25 ) *I/O scan time msec Operation power consumption ma *one of I/O pins detect capacitive volume scan time. Table 2 TST120 Electrical Characteristics (Single Chip) 10 / 13

12 5.4 Pin out and Package Definition Figure 2. TST120 Pin out Diagram Pin Name Pin Numbers I/O Description VDD 22,49 Power In Power Supply Voltage. VSS 12,32 Ground. XRES 36 I/O Device Reset. FB1 16 I/O Capacitive volume feedback. INT 17 I/O Interrupt detect output and input. SCL 18 Out I2C serial clock. SDA 25 I/O I2C serial data. D+ 20 I/O USB D+ Signal D- 21 I/O USB D- Signal P[0]0~P0[7] 45,54,46,53, I/O Touch screen channel 47,52,48,51 P1[2],P1[4],P 26,27,28,15 I/O Touch screen channel 1[6],P1[7] P2[0]~P2[7] 41,2,42,1,43, I/O Touch screen channel 56,44,55 P3[0]~P3[5], 33,10,34,9,35 I/O Touch screen channel P3[7],8,7 P4[0]~P4[7] 37,6,38,5,39, I/O Touch screen channel 4,40,3 P5[0]~P5[7] 29,14,30,13, I/O Touch screen channel 31,12,32,11 Table 3 TST120 I/O Configuration 11 / 13

13 Package Drawing Figure 3. TST120 Package Drawing 12 / 13