5 4 3 2 1 D D C C CapSense Express Evaluation Board CAPEXP1 Rev 2.1 B B CYPRESS SEMICONDUCTOR © 2007 A A Title CapSense Express_EVK_Buttons Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 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 R2 Battery Clip AAA 100K 1% 1 2 8 PS FB PAD PGND VAUX 10 C3 10 uFd 16v 1 1206 C2 C 0603 0.1 uFd R8 TPS61200DRCT 0603 100K 1% 0603 C4 10 uFd 16v 1206 2 UVLO 160 1% 0603 560K 1% 0603 VOUT 2 0603 R7 R5 11 0603 J2 EN 7 GND R6 249K 1% L 3 VIN 6 4 1206 C R1 5 9 NO LOAD 0603 0603 C1 10 uFd 16v 0603 U1 R4 R3 549K 1% D1 LED RED 100K 1% 1 HEADER 2 SMD Boost Regulator, 0.9V to 1.5V Input, 3.3V, 200mA Output B B CYPRESS SEMICONDUCTOR © 2007 A A Title Boost Regulator Circuit Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 Sheet 2 of 6 1 HCL Confidential 5 4 3 CSInt 2 1 VCC_3V3 VCC_3V3 D2 Keypad_BKLight_1 0603 C10 0603 C11 C12 C13 C14 C15 C16 1 0603 0.1 uFd 0.1 uFd 0.1 uFd0.1 uFd0.01 uF0.01 uF0.01 uF0.01 uF0.01 uF 2 Keypad_BKLight_2 LED GREEN RMNT 68 D3 R36 1 1206R D C9 0603 C8 No Load 0603 0603 1206R C7 0603 R35 D 2 0603 Optional Capacitor to improve SNR Keypad_BKLight_3 LED GREEN RMNT 68 D4 R32 1 1206R Mech_Button Decap for CapSense Express 2 0603 Keypad Backlight LEDs, Green 13 LED_1 1 Keypad_BKLight_2 2 GP0[1] 3 I2C SCL I2C SDA GP1[3] 9 B GP0[2] 12 Cap_Button_1 XRES 11 XRES_PSOC GP1[4] 10 Cap_Button_3 Cap_Button_2 Mech_Button VCC_3V3 XRES_PSOC Cap_Button_3 D6 R9 LED GREEN RMNT 68 D7 R10 LED_1 Cap_Button_2 GP1[2] GP1[0] 4 VSS I2C_SDA I2C_SDA GP0[0] GP1[1] I2C_SCL I2C_SCL C VDD 14 LED_3 VCC_3V3 GP0[3] CSInt 15 CSInt Mech_Button GP0[4] U2 68 0603 C 16 LED GREEN RMNT B LED_2 68 D8 R11 LED GREEN RMNT 68 7 8 LED_3 LED_2 Keypad_BKLight_3 6 LED GREEN RMNT 0603 Keypad_BKLight_1 5 0603 CY8C20110 QFN16 Status LEDs, Green CapSense Express CYPRESS SEMICONDUCTOR © 2007 A A Title Capsense Express, Keypad Backlight LEDs and Status LEDs Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 Sheet 3 of 1 6 5 4 3 2 1 VCC_3V3 C6 D 0603 D 0.1 uFd R13 R15 1 2 3 4 5 NO LOAD 0603 VCC_3V3 0603 J5 NO LOAD XRES C17 R16 330 I2C_SCL I2C_SCL 0603 No Load 0603 R101 0603 XRES_PSOC HDR 1x5 RA 330 I2C_SDA I2C_SDA XRES 0603 R12 R100 XRES_PSOC 0603 0603 NO LOAD NO LOAD I2C Interface C C B B CYPRESS SEMICONDUCTOR © 2007 A A Title I2C Communication Interface Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 Sheet 4 of 1 6 5 4 3 2 1 VCC_3V3 Cap_Button_1 Cap_Button_1 R19 560 Button_3 0603 R33 0603 D S1 Mech_Button Cap_Button_2 Cap_Button_2 R18 560 Button_2 2 4 Mech_Button D 10K 1 3 0603 0603 R41 Cap_Button_3 Cap_Button_3 R20 560 Dome Switch 100K 1% Button_1 Mechanical Button 0603 C C CSB3 Button_1 CSB2 Button_2 1 CapSense 1 CapSense CSB1 B Button_3 B 1 CapSense CapSense Rectangular Buttons with Curved Edges CYPRESS SEMICONDUCTOR © 2007 A A Title CapSense Buttons and Mechanical button Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 Sheet 5 of 1 6 5 4 3 2 1 Revision History Revision D Date Changes 1.0 20-Aug-2007 Initial Revision 1.1 20-Aug-2007 Internal Review Comments Updated 1.2 22-Aug-2007 Cypress Review Comments Updated 1.3 22-Aug-2007 Jumper Connector added in Series with the ISSP Programmer lines D CY8C20110 Symbol updated with the new datasheet 1.4 Zero ohm resistors replaced with no load resistors in capsense jumpers section 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 30-Aug-2007 C 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 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 B C B CYPRESS SEMICONDUCTOR © 2007 A A Title Revision History Size A Date: 5 4 3 Document Number <Doc> Tuesday, March 04, 2008 2 Rev 2.1 Sheet 6 of 1 6