1 2 3 4 P2 I_Source 1 2 3 4 5 6 7 8 9 VDDD VCCD VDDA 1 VDDD VSSD C15 C18 100N 1uF U7 FSR 402 C16 100N C17 1uF C19 100N 1uF A 2 VDDD C14 R10 2K TP2 R11 2K CapShort I2C_G_SCL I2C_G_SDA B nXRES TMS TCK VSSD TDO TDI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 U9 CY8C5868 QFN68 Pin 49 P0[1] is +ve input to Comp1 Pin 48 P0[0] is Current source P2[6] P2[7] P12[4] (I2C_0:SCL) P12[5] (I2C_0:SDA) VSSB IND VBOOST VBAT VSSD XRES P1[0] (TMS) P1[1] (TCK) P1[2] P1[3] (TDO) P1[4] (TDI) P1[5] VDDIO_1 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 P0[3] P0[2] P0[1] P0[0] P12[3] P12[2] VSSD VDDA VSSA VCCA P15[3] (KXTAL XI) P15[2] (KXTAL XO) P12[1] (I2C_1:SDA) P12[0] (I2C_1:SCL) P3[7] P3[6] VDDIO_3 C27 100N D3 1 B 6 LED_R R15 220R 2 R 5 LED_G R17 39R 3 G 4 USB D+ R14 22R USB D- R16 I_Source I_Source VDDD R13 2K VDDA VSSD VSSA B R12 2K I2C_L_SDA I2C_L_SCL CRST_N Y1 C24 100N VSSD C25 22pF C22 1uF 100N VSSA 2 C26 22pF 32.768 KHz VSSD VSSA C21 C VSSD TEST POINT TP3 22R VCCD Y2 C28 100N C30 1uF C29 100N nXRES C31 22pF 2 C32 22pF 24 MHz 10M Title Size Not Fitted VSSD VSSD VSSD VSSD 2 3 D Number Revision A4 Date: File: 1 0.47uF 2 B VCCA 100N 1 VSSD C20 VDDD VSSA C23 VSSD R18 1 A LED_G LED_R VDDD D C SN74LVC1G66 SenseCap+ 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 VSSD 4 1 P1[6] P1[7] P12[6] P12[7] P15[6] (USBIO D+) P15[7] (USBIO D-) VDDD VSSD VCCD P15[0] (MXTAL XO) P15[1] (MXTAL XI) P3[0] P3[1] P3[2] P3[3] P3[4] P3[5] VDDD C CapShort P2[5] VDDIO_2 P2[4] P2[3] P2[2] P2[1] P2[0] P15[5] P15[4] VDDD VSSD VCCD P0[7] P0[6] P0[5] P0[4] VDDIO_0 TEST POINT SenseCap+ U8 VSSA 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 VDDD VSSD VSSD 5 VSSD VCC VSSD GND Header 9 3 A VDDD TDI TDO TCK TMS nXRES 1/26/2016 C:\MyData\..\SCM PSOC.SchDoc Sheet of Drawn By: 4