EVBUM2173 - CapacitanceDigitalConverter LSI for Electrostatic
Contents
1. SCILLC products are not designed intended or authorized for use as components in systems intended for surgical implant into the body or other applications intended to support or sustain life or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application Buyer shall indemnify and hold SCILLC and its officers employees subsidiaries affiliates and distributors harmless against all claims costs damages and expenses and reasonable attorney fees arising out of directly or indirectly any claim of personal injury or death associated with such unintended or unauthorized use even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part SCILLC is an Equal Opportunity Affirmative Action Employer This literature is subject to all applicable copyright laws and is not for resale in any manner PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT N American Technical Support 800 282 9855 Toll Free ON Semiconductor Website www onsemi com Literature Distribution Center for ON Semiconductor USA Canada P O Box 5163 Denver Colorado 80217 USA Europe Middle East and Africa Technical Support Order Literature http www onsemi com orderlit Phone 303 675 2175 or 800 344 3860 Toll Free USA Canada Phone 421 33 790 2910 an A 3 Fax 303 675 21762. chosen by nCS set the 12C compatible bus slave Address Selection SO Pull down address by JP1 and JP2 When SPI is chosen implement a resistance of 100 kQ between 2 to 3 It has been implemented JP2 Initialization Ground Pull down 1 2 Short H Level 2 3 Short L Level Table 4 LC717A10AR I2C COMPATIBLE BUS SLAVE ADDRESS SA1 Input SAO Input JP1 JP2 7bit Slave Address Binary Notation 8bit Slave Address Low Low 0x16 00101100b Write 0x2C 00101101b Read 0x2D Low High 0x17 00101110b Write Ox2E 00110011b Read 0x33 HOW TO USE 1 Connection of connector pin 4 Install evaluation software to PC Evaluation Solder attached connector pin 8pin at the software is able to download from position of the Figure 3 http www sanyosemi com en touch sensor 2 Connect LC717A10ARGPGEVB to the board index php Double click to the icon which designed the switch pattern LC717A10App exe in the folder installed and When design the switch pattern please refer to the start it Please refer to LC717A10 demo User s manual and FAQ pages in application soft user s manual http www sanyosemi com en touch sensor 5 Press RESET Switch when evaluation board is index php acting strange 3 Connect LC717A10ARGPGEVB to PC through 6 Please note If the user directly touches the LSI on an USB to Serial conversion module Supply the the evalu
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4. CATIONS Parameter Conditions Board Size 35 56 x 20 32 mm Board Material Glass Epoxy FR4 Copper Foil 35 um Thickness 1 6 mm 2 layer Board Supply Voltage 2 6 to 5 5 V Capacitance Touch Sensor LC717A10AR Communication Specification SPI It can be change to I2C Compatible Bus by Parts Exchange www BDTt ctom ON LC717A10ARGPGEVB Table 3 JUMPER PATTERN FOR ADDITIONAL PARTS Pattern for Cref Capacity Adjustment Implement capacitor of any capacity as needed Size 1608 Pattern for CrefAdd Capacity Implement capacitor of any capacity as needed Size 1608 Adjustment Pattern for SCL Pull up When 12C compatible bus is chosen by nCS implement a resistance of 2 2 KQ Size 1608 Pull up VDD c2 c3 R3 R4 R5 R7 P2 Pattern for SDA Pull up When 12C compatible bus is chosen by nCS implement a resistance of 2 2 kQ Size 1608 Pull up VDD Pattern for nCS Pull up When 12C compatible bus is chosen by nCS implement a resistance of 2 2 kQ Size 1608 Pull up VDD R7 Initialization Short Size 1608 Rs O Reserve Pattern R8 Initialization Open Size 1608 JP1 Pattern for 12C Compatible Bus Slave When 12C compatible bus is chosen by nCS set the 12C compatible bus slave Address Selection address by JP1 and JP2 When SPI is chosen connect to the ground JP1 Initialization Ground Short 1 2 Short H Level 2 3 Short L Level J Pattern for 12C Compatible Bus Slave When 12C compatible bus is
5. GPGEVB PRECAUTION FOR USE For approach in the use of LSI and the design rule of the Touch sensor introduction page URL switch pattern Please refer to the User s manual and FAQ http www sanyosemi com en touch sensor index php pages in ON Semiconductor homepage 12C is a trademark of Philips ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries LLC SCILLC SCILLC owns the rights to a number of patents trademarks copyrights trade secrets and other intellectual property A listing of SCILLC s product patent coverage may be accessed at www onsemi com site pdf Patent Marking pdf SCILLC reserves the right to make changes without further notice to any products herein SCILLC makes no warranty representation or guarantee regarding the suitability of its products for any particular purpose nor does SCILLC assume any liability arising out of the application or use of any product or circuit and specifically disclaims any and all liability including without limitation special consequential or incidental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others
6. LC717A10ARGPGEVB Capacitance Digital Converter LSI for Electrostatic Capacitive Touch Sensors Evaluation Board User s Manual Introduction This manual contains configuration usage and main specifications regarding Electrostatic Capacitive Touch Sensor Evaluation Board LC717A10ARGPGEVB For the latest edition of this manual please refer to ON Semiconductor homepage http www onsemi com Product Outline This product is a board to have you evaluate touch sensor LSI LC717A10AR Because it is 600 mil width DIP shape it is a board which it is easy to use So it can be performed easily to evaluate one s own switch pattern ON Semiconductor http onsemi com EVAL BOARD USER S MANUAL To evaluate it it is necessary to have an USB to Serial conversion module for SPI communication the PC to operate evaluation software and any board which designed the switch pattern Electrostatic Capacitive Touch Sensor Evaluation Board LC717A10ARGPGEVB e Accessory Connector Pin Spin EVALUATION BOARD LC717A10ARGPGEVB Evaluation Board Outline Power LED O Cins OST Cins O LC717A10ARGPGEVB Olen O cin Q Cini2 2 Ul ES OTE OA LEDI RI AO Touch Sensor LSI LC717A10AR Reset Switch Onrst Cref CrefAdd INTOUT LED O O o fe O O O O O O O O Figure 1 Configuration of LC717A10ARGPGEVB ARA B D LLC COm O Ne cae tame February 2013 R
7. ation board or patterns with their finger it power and verify the Power LED is turned on may cause malfunction or breakdown www BDTt ctom ON LC717A10ARGPGEVB Ocins LED O OO 0 Cin9 Cins O LC717A10ARGPGEVB O Cinto OMO O Cin1 Olen UI OTE O Cinl4 5 Non Connect O nel ncS OS i Cref SO CrefAdd SI 0 Cdrv 3 z SCK E STD aD N GND z m om ml Osa LE PI OC VDD Figure 3 Connection of Connector Pin USB and Serial Conversion Module Connector Pin 8pin LC717A10ARGPGEVB y 4 PC Header Pin 14pin x 2 Touch Switch Board Other than LC717A10ARGPGEVB and Connector Pin 8pin are not Attached Figure 4 Connection Example of LC717A10ARGPGEVB www BD FTE tom ON LC717A10ARGPGEVB CIRCUIT DIAGRAMS ONS ONS ONS NIHO y SONVHO y Lai zazi 311 x x Lo aan OASI OASI LH Zu Gon gt ne NS aoe INOLNI La LnouN ano 5 INOLNI O ASAOS Npo 508 108 WA 257 NS IS VaS gt jalo Is vaS Cn _os ovs_ gt PpyJelo OS rows PPVI819 E sou 1Syu 5 LI SOU HVOLWZIZOT sn gt O o In ajo o Joo ro a o gt 8 04 E no S Ks E o nuo 5 mad Dr cE 6 Y 5 1syu 5 gt Leo oer sou eruo Zuo E os ovs Cem k Ceo n hed zuo nj 25 a yioshos m IYS el La Luo tuo ar a INOLNI uo ae aa Las gt 18 UU00 IdS Ozl OLUO o E ar O O Como ane eu y ve LO als 5 s eu Quid ayaa ye re elo_ LT e suo 12205 E 29 57 n 2 u L aan LJ L y y e y aa LC717A10AR
8. ev 1 hd hi EVBUM2173 D LC717A10ARGPGEVB 9 Touch Sensor LSI Reset Switch Electrostatic Capacitive Touch Sensor LSI This is used to RESET Touch Sensor LSI Use this LC717A10AR switch if any abnormality is found during operation 9 Power LED e INTOUT LED When a power is supplied it turns on Power supply When the INTOUT signal outputs it turns on voltage is 2 6 to 5 5 V Evaluation Board Specifications Non Connect cins CCins LED RL O Cin7 cin MOST Cins O Cin LC717A10ARGPGEVB Cinio gt 0 Cin10 Cin5 0 Cin5 Cin O IS Cina cio O 072 Cin3 cis gt Jene Cin2 Cinta OIT Cint cins O Jem Cino nRST gt ncS Cref gt SA0 SO CrefAdd gt SDA SI Cdrv SCL SCK INTOUT 5 GND sai HO VIT VDD Figure 2 Terminal Pin Layout LC717A10ARGPGEVB Table 1 SIGNAL PIN FUNCTIONS I I SJ nes WA 0 z i i i i Cdrv Output for Capacitance Sensors Drive nCS Interface Selection Chip Select Inverting Input SPI nRST External Reset Signal Inverting Input 2 2 KQ Pull up with Switch SA1 Slave Address Selection 12C SDA SI Data Input and Output 12C Data Input SPI SA0 SO Slave Address Selection 12C Data Output SPI JP2 100 kQ Pull down VDD Power Supply 2 6 V to 5 5 V It is Connected to Vpp of LC717A10AR GND Ground Earth It is Connected to Vss of LC717A10AR Table 2 MAIN SPECIFI
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