5 4 3 2 1 D D C C CapSense Express Evaluation Board CAPEXP3 Rev *A B B PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A CYPRESS SEMICONDUCTOR © 2009 A A Title CapSense Express CY3218A_CAPEXP3 Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet 1 of 1 6 5 4 3 2 1 VCC_3V3 L1 J1 D VCC_0.9V_1.5V 1 2 3 4 1 2 D 2.2 uH, 4018 Battery Clip AAA R2 U1 R1 VIN L 3 R5 6 EN VOUT 2 560K 1% 7 UVLO 8 PS 160 1% 0603 5 0603 C1 10 uFd 16v 100K 1% NO LOAD 0603 0603 R3 549K 1% 0603 R4 1206 1206 C4 10 uFd 16v 1206 C2 2 PGND PAD 11 GND C3 10 uFd 16v 1 C 0603 0.1 uFd R8 TPS61200DRCT 100K 1% 0603 0603 R7 10 D1 LED RED 0603 1 2 4 0603 J2 VAUX 9 R6 249K 1% C FB 100K 1% 1 HEADER 2 SMD Boost Regulator, 0.9V to 1.5V Input, 3.3V, 200mA Output B B PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A CYPRESS SEMICONDUCTOR © 2009 A A Title CapSense Express CY3218A_CAPEXP3 Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet of 2 1 6 5 4 3 CSInt 2 1 VCC_3V3 VCC_3V3 D2 LED_1 C11 C9 1 C8 No Load 0603 0603 0603 0.1 uFd 0603 0.1 uFd 0603 0.1 uFd 0603 0.1 uFd 0.1 uFd 2 LED_2 LED GREEN RMNT 68 D3 R36 1 1206R D C12 0603 C13 1206R C7 0603 R35 D 2 0603 Decap for CapSense Express Optional Capacitor to improve SNR U2 LED GREEN RMNT 68 VCC_3V3 Keypad Backlight LEDs, Green C 1 VSS I2C_SCL 2 I2C_SDA Cap_Button_2 I2C_SCL I2C_SDA VDD 8 I2C SCL GP0[1] 7 LED_1 3 I2C SDA GP0[0] 6 LED_2 4 GP1[0] GP1[1] 5 Cap_Button_1 Cap_Button_2 C Cap_Button_1 CY8C20142 SOIC8 CapSense Express B B PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A A A CYPRESS SEMICONDUCTOR © 2009 Title CapSense Express CY3218A_CAPEXP3 Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet of 3 1 6 5 4 3 2 1 VCC_3V3 C6 D 0603 D 0.1 uFd R13 R15 NO LOAD NO LOAD 1 2 3 4 5 R16 330 0603 0603 J5 I2C_SCL I2C_SCL 0603 HDR 1x5 RA R12 330 I2C_SDA I2C_SDA 0603 I2C Interface C C B B PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A CYPRESS SEMICONDUCTOR © 2009 A A Title CapSense Express CY3218A_CAPEXP3 Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet of 4 1 6 5 4 Cap_Button_1 Cap_Button_1 R19 3 2 1 Button_1 560 0603 CSB1 D Button_1 Cap_Button_2 Cap_Button_2 R18 CSB2 Button_2 1 D 1 Button_2 560 0603 CapSense CapSense CapSense Rectangular Buttons with Curved Edges C C B B PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A CYPRESS SEMICONDUCTOR © 2009 A A Title CapSense Express CY3218A_CAPEXP3 Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet of 5 1 6 5 4 3 2 1 Revision History Revision 1.0 1.1 Date Changes 20-Aug-2007 20-Aug-2007 Initial Revision Internal Review Comments Updated 1.2 1.3 22-Aug-2007 22-Aug-2007 CY8C20110 Symbol updated with the new datasheet Cypress Review Comments Updated Jumper Connector added in Series with the ISSP Programmer lines Zero ohm resistors replaced with no load resistors in capsense jumpers section 1.4 30-Aug-2007 Changed as per review comments from Layout 1. Changed Slider and Button combinations to Segment 4 with Button 1, Segment 5 with Button 3, Segment 1 with Button 4, Segment 3 with Mech Button 2. Changed CapSense and Keypad LED backlight lines to PSOC to avoid less criss cross 1.5 04-Sep-2007 1. Changed Button 1 and Button 3 connections to avoid criss cross 2. Changed the ISSP Header 1.6 05-Sep-2007 1. No load pull up resistors added in the I2C_SCL and I2C_SDA lines 2. Series resistor for Power LED changed to 160 ohm to avoid overcurrent during programming 1.7 05-Sep-2007 1. Jumper and Pull down resistor added for boost regulator enable pin 2. Backannotation done 1.8 24-Sep-2007 1. Pull down resistor added in Mechanical button interface 2. Backlight and Power LED Footprint name updated D D C C B B 1.9 18-Oct-2007 1. ISSP Interface and Jumpers for ISSP Interface Removed 2.0 24-Oct-2007 2. RC for the XRES line has been added as DNP 2.1 03-Dec-2007 1. Modified to support 3 CapSense buttons, 3 Backlighting LEDs, 3 Status LEDs and 1 Mechanical Switch 2. Removed LCD Module and Slider ** 12-Aug-2009 Release to Manufacturing *A 05-Oct-2009 Star A Revision CYPRESS SEMICONDUCTOR © 2009 A A Title CapSense Express CY3218A_CAPEXP3 PDCR: 9460 Rev*A PCA: 121R_46000 Rev*A Size A Date: 5 4 3 Document Number REF_14697 Monday, October 05, 2009 2 Rev *A Sheet of 6 1 6