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| [ASAHI KASEI] [AKD4183] AKD4183 AK4183 Rev.A Evaluation Board Abstract AKD4183 is the board for evaluation of the touch screen controller AK4183 which adopted the TMSOP small package suitable for the cellular phone, the handheld game machine, etc. Since AKD4183 has a touch-panel I/F and a digital I/O power supply input terminal, it is easily connectable with a target system of low power/voltage drive. Function AK4183 (TMSOP 10 package) I2C I/F for uP Touch-panel I/F Digital I/O power supply terminal Touch Panel I/F I2C I/F VCC AGND AIN_XP AIN_XN AK4183 IFVDD DGND YN XN Figure 1 AKD4183 Block Diagram Operation procedure 1. Wiring of a power supply VCC (Red) =2.5V3.6V AGND (Black) = 0V DGND (Black) = 0V IFVDD (Orange) = VCC JP1-short (default: CAD0pin = "L"), JP2-short 2. A setup of I2C address J1 (short: CAD0pin ="L", open: CAD0pin = "H") 3. Connect I2C I/F (SCL, SDA) to uP. 4. A setup of evaluation mode, jumper 5. Power supply ON 6. Run the control soft Evaluation mode selection 1) Position, Pen Pressure 4 wire touch-panel (X+, X-, Y+, and Y-) is connected to J1 connector. Jumper setup JP3 (XPSEL) ---------select XP JP4 (YPSEL) ---------select YP JP5 (XNSEL) ---------select XN JP6 (YNSEL) ---------select YN Power supply injection, Evaluation 1) Digital serial data input When the control command data indicated by specification from digital I/F (P1 or PORT1) was inputted the AD conversion is carried out and is outputted from a SDA. Parallel Port Driver install Attached software is the application software which checks the function of the AK4183. Windows(R) Win98, Win2K, and WinXP are supported. However, to make it operate on Win2K and XP, it is necessary to install driver in advance. Please follow a procedure with reference to DriverSetupe.pdf. Installation of a driver is unnecessary to use it by the Windows 98 system. [ASAHI KASEI] [AKD4183] Run the software (AK4183_070.exe) First match Port Address of your PC environment. Measurements are started when the start button is clicked after select Channel Selection, MODE, and Power Down 0. A result will be displayed on AD OUT Section. When carrying out position detection, the position where pen clicked on the touch panel is measured. Operation can set up two control commands. Continuation operation can be performed. Each data (mean, max, and min) is also displayed at the same time. PENIRQN can be seen by the break of a command. 2006/9 [ASAHI KASEI] Trouble Shooting [AKD4183] 1. Application error is occurred and doesn't start up If the operating system is Window2000/X, Please install AKMport driver in advance of run the AK4183_070.exe. 2. MEAN value in AD OUT section does not change when click start button (cannot write control command to AK4183) Please set the port address to your PC platform environment. 3. The mean, max, min value doesn't change wherever the pen pushes down on the panel. There is a possibility of the trouble of the contact of the relay connector (plat 8pin-8-wire female dip converter) that connects the touch panel. Please open JP3, 4, 5, and 6 on the evaluation board, measure panel seat resistance (XP-XN, YP-YN), and check the resistance. Generally, the panel seat resistance is hundreds of . There is a possibility that the touch panel is not correctly connected if the resistance is over thousands of k. Please connect the relay connector and check the resistance value again. 2006/9 [ASAHI KASEI] Revision History Date (YY/MM/DD) 06/09/22 Manual Revision KM085700 Board Revision 0 Reason First edition Contents [AKD4183] IMPORTANT NOTICE * These products and their specifications are subject to change without notice. Before considering any use or application, consult the Asahi Kasei Microsystems Co., Ltd. (AKM) sales office or authorized distributor concerning their current status. * AKM assumes no liability for infringement of any patent, intellectual property, or other right in the application or use of any information contained herein. * Any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the country of export pertaining to customs and tariffs, currency exchange, or strategic materials. * AKM products are neither intended nor authorized for use as critical components in any safety, life support, or other hazard related device or system, and AKM assumes no responsibility relating to any such use, except with the express written consent of the Representative Director of AKM. As used here: (a) A hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perform may reasonably be expected to result in loss of life or in significant injury or damage to person or property. (b) A critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. * It is the responsibility of the buyer or distributor of an AKM product who distributes, disposes of, or otherwise places the product with a third party to notify that party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold AKM harmless from any and all claims arising from the use of said product in the absence of such notification. 2006/9 5 4 3 2 1 VCC 1 VCC 1 R1 10k D D1 LED(Red) VCC TP8 SCL 1 IFVDD R3 10k R5 1 51 2 1 C3 open 2 U1A 74LVC07 1 DI_SCL 12 R2 1k 2 D CAD0 1 JP1 CAD0 AGND 2 2 TP4 YN 1 TP5 XN 1 TP6 YP 1 TP7 XP 1 1 14 DGND 2 SCLW TP1 EXTW1 1 TP2 EXTW2 1 PORT1 P_SCLW P_SDAW DI_SDA IFVDD 6 7 8 9 10 5 4 3 2 1 4183I/F EX_CONTR1 R10 10k U1B 2 DGND P_SDAR DI_SCL DI_SDA TP3 EXTR1 1 2 DGND DGND VCC 1 JP2 ICC 21 3 XPSEL 1 3 YPSEL JP5 21 3 XNSEL AGND 0.001u 1 JP6 21 3 YNSEL AGND YN R14 0 2 R13 0 2 XN 1 0.001u 1 0.001u JP4 21 1 2 3 4 5 R4 0 U2 R7 0 VCC SCL XP SDA YP CAD0 XN PENIRQN YN GND AK4183 AGND DGND 6 74LVC07 10 9 8 7 6 2 2 0.1u AGND C2 4.7u TP9 SDA 1 VCC 1 1 R9 10k R12 1 CAD0 51 2 1 C4 open 2 3 4 74LVC07 1 2 C1 XP_T BNCXP 1 JP3 + 1 2 26 YP_T C 2 7 SDAR EX_CONTW1 EX_CONTW2 BNCYP DGND C R6 U1C 5 SDAW PENIRQN_1 SDAR_1 IFVDD IFVDD 1 1 1 51 R11 1 51 2 1 R8 2 DGND 2 51 2 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1 P1 XN_T 1 2 C7 1 1 0.001u YN_T 2 C6 C8 2 2 C9 U1D 1 2 9 8 74LVC07 PENIRQN DGND 1 8 2 4 6 10 12 15 2 TP10 PENIRQN R17 10k C5 0.1u U3 VT DGND Y1 Y2 Y3 Y4 Y5 Y6 NC2 NC1 A1 A2 A3 A4 A5 A6 16 13 3 5 7 9 11 14 R15 1 R16 1 R18 1 R19 1 51 51 51 51 2 2 2 2 AGND PENIRQN SDAR CN1 1 2 3 4 5 10 9 8 7 6 CN2 SCLW SDAW U1E 11 10 74LVC07 1 C10 0.1u IFVDD 74HC4050 IFVDD R22 1 R23 1 R24 1 R25 1 47k 47k 47k 47k 2 2 2 2 P_SDAW CN1 YP_T XN_T XP_T CN2 P_SCLW B Touch Screen 88 77 66 55 44 33 22 11 J1 YN_T B 13 12 74LVC07 DGND 2 U1F DGND CONNECTOR DB25 DGND VCC J2 1 1 1 1 1 AGND DGND 1 1 AIN_XP VCC AGND 1 J3 1 1 R21 51 A IFVDD XN YN 2 3 4 5 VCC IFVDD AGND DGND XN YN R20 51 JP7 2 1 2 3 4 5 6 7 8 AINSEL BNCXP BNCYP CL1 2 CL2 2 CL3 2 CL4 2 1 1 A 1 1 2 2 3 4 5 AIN_YP AGND AGND DGND PART NO HARTEC 20294 2005.11.16 Date Modify Page Title Size A3 Sub Title KIMURA Sheet 1 / 27 Rev 1.0 1.0 Rev. 5 4 3 2 DESIGNER 2005.11.16 CHECKED APPROVED Date: Wednesday, November 16, 2005 1 1 |
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