Capsense 参考SCH1 2 3 4 A 2 BT1 1 BATTERY J1 2 U3 U2 REG1117-5 VIN GND VOUT VOUT A VDD 2 4 + C3 10u 3 1 BAV23C + C1 10u 3 C2 1u VDD R0 3K C4 0.1u Gnd Gnd Gnd XRES SCL SDA VDD J2 1 2 3 4 5 ISSP 1 2 POWER 3 1 D0 POWER VDD OCDE OCDO CCLK B VDD C5 Cint2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 U1 VSS P0_7 P0_5 P0_3 P0_1 P2_7 P2_5 P2_3 P2_1 VDD P0_6 P0_4 P0_2 P0_0 P2_6 P2_4 P2_2 P2_0 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 XRES HCLK 9 8 7 6 5 4 3 2 1 10 J3 B C0 0.1 Slider7 Slider5 INTCAP1 Slider1 Slider3 RS DB7 DB5 OCDE R6 56 Slider6 Slider4 Slider2 Slider0 R/W E DB6 DB4 button5 button3 R2 1K R3 1K R4 1K R5 1K RJ45_ICE VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 VDD R10 2K INTERRUPT I2CSDA I2CSCL J4 VSS VD……