4 P1 1 P1 2 P1 3 P1 4 P1 5 P1 6 P1 7 P1 8 C P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 P1 10 11 12 13 14 15 16 17 18 19 20 1 U1 ADT7301ARTZ S1 AGND +3.3V 1 2 3 S2 C7 10 GND DOUT 6 CS 5 SCLK 4 DIN VDD MISO CS3 CLK C3 0.1 D +3.3V S3 DGND S4 VS1 C5 0.1 U2 25LC080B CS2 VS2 9 2 +3.3V 1 CS2 MISO 2 3 4 ST1 ST2 SCL1 SDA1 CLK MOSI MISO CS3 CS4 CS VCC SO HOLD WP SCK GND SI 8 7 6 CLK MOSI 5 VS1 VS2 R5 0 1% C8 10 VS2 R1 10k 1% C1 0.1 C9 10 C2 0.1 C R2 10k 1% P2 14 1 VS 8 CS 4 SCL CS4A P3 INT1 6 SDA 7 SDO SCL1A 15 U3 ADXL346SK VDDIO D 3 INT2 11 ST2 9 ST1 RES CLKA GND P4 5,12,13,16 SDA1A MOSIA P5 B B MISOA +3.3V R3 10k 1% +3.3V +3.3V R11 1k 1% R4 10k 1% VS2 MISO 3 Q1 UP0487C00L Q1 UP0487C00L 5 SDA1A MISOA R7 1k 1% 2 A R8 1k 1% Intempco R9 1k 1% Dwg A Ltd. No: Rev: Sheet: Date: 3 Controls xl346_sensor Title: Size 4 R12 1k 1% MOSIA CS4A CLKA BSS138 1 2 R10 1k 1% CS4 Q3 BSS138 1 A CLK 3 Q2 SCL1A R6 1k 1% MOSI 3 C4 0.1 4 2 1 VS2 VS2 SCL1 6 SDA1 C6 0.1 R13 1k 1% 2 1 1 of 1