添加硬件原理图
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GND V1.8
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C13 C23 100nF
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12pF C12 100nF U1 C24 10uF GND
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L3 10uH L4 15nH C22
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C11 X1 1 DEC1 EP 49 CEN
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GND 12pF 32.76I28CkH1z_SDA 2 P0.00/XL1 VDD 48 CBAT 1uF
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3 P0.01/XL2 DCC 47 100nF
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I2C1_CLK 4 P0.02/AIN0 DEC4 46 R11 C21 C20 X2 C19
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INT1 5 P0.03/AIN1 VSS 45 47K 12pF GND 12pF
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INT2 6 P0.04/AIN2 44 V1.8
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NCLED 7 P0.05/AIN3 NC 43 GNDGND GND
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NCSTATE 8 P0.06 P0.31/AIN7 42 32MHz
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PEN 9 P0.07 P0.30/AIN6 41 GNDC16
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10 P0.08 P0.29/AIN5 40 nc
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V1.8 11 P0.09/NFC1 P0.28/AIN4 39 C18 100pF
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12 P0.10/NFC2 38 C17 nc
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13 VDD P0.27 37
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C14 14 P0.11 P0.26 36
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100nF 15 P0.12 P0.25 35
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16 P0.13 34
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17 P0.14/TRACE3 VDD 33 1Cp1LF52 A1
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18 P0.15/TRACE2 XC2 32 Lvbu_A_ANTW1
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19 P0.16/TRACE1 XC1 31
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GND AD0 20 P0.17 DEC3 30 J1 3.9nH
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I2C2_SDA 21 P0.18/TRACEDATA[0]/SWO DEC2 29
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I2C2_CLK 22 P0.19 VSS 28 V1.8 1 VCC U4
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CS 23 P0.20/TRACECLK ANT 27 2 DIO
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24 P0.21/RESET P0.24 26 3 CLK
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P0.23 25 GND AD0 1 SDO/SA0 SDA 14 I2C2_SDA
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P0.22 GND 4 2 SDx SCL 13 I2C2_CLK
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SWDIO C9 3 SCx 12 CS
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SWDCLK 10uF 4 INT1 CS 11
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5 VDDIO SDO_Aux 10
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NRF52832-QFAA-R SWD4 GND 6 GND OCS_Aux 9
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7 GND 8
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R12 Q1 INT2 GND
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VDD
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47K C10
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100nF
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GND R7 LSM6DSOWTR
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C8100k
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SS8550
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GND V1.8
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GND
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V1.8 100nF GND
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V1.8
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U2 C25 U3 T11 T12
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1 GND VOS 8 R8 I2C1_CLK 1 SCL/SPC INT1 12 INT1 C7
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2 VIN SW 7 20k I2C1_SDA 2 CS INT2 11 INT2 100nF
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VBAT 3 MODE 6 L1 GND 3 SDO/SA0 VDD_IO 10
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C2 4 EN STOP 5 2.2uH CBAT PEN 4 SDA/SDI/SDO VDD 9
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C1 100nF VSET V1.8 5 RES GND 8
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4.7uF C3 C4 6 GND GND 7
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100nF
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TPS62840DLCR R5 R6 10uF 100nF
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0 0 Q2 LIS2DH12TR C6 C5
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R10
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R9 10uF 100nF
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VBAT
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GND 1M 3M 2N7002 GND
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GND CEN
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GND
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V1.8 LED1 MHT155GRCT Schematic1 2024-12-24
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2024-12-12
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VIN R3 1k P1
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R2 1k NCLED
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100k U5 R4 10k
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R1
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T5 1 CHRG# PROG 6 LVBU_PAS
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NCSTATE 2 GND STDBY# 5
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TV9V2BAGTND1 GND 3 BAT 4
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VBAT VCC
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T1G0 ND 1 GND TP4057 1 1
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V1
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VIN
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VIN
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GND
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