资料介绍
基于GPS船载应急无线示位标系统的设计R4 XTAL1 IC1 1 7 OSCN1 VCC1 12MHz ANTENNA1 9 C2 VCC2 22p 2 16 OSCN2 SW 3 15 C7 104 TXEN LD 14 R122K DO L1 5 C9 TXOUT 11 13 47nH 3p VREFR RES C10 L2 4 VSS 10p 6 12 VSS1 RESB 10 8 VSS2 MODIN C11 TX4915 100uH 223 C12 223 P 11 C1 22p C17 C13 1000p 223 10
VCC 3V J2 J1 1 2 3 4 3 2 1 VCC 5V
MPM280压力传感器
P12 IC6 1 CS 2 CH0 3 CH1 4 CND VCC 5V 8 VCC 7 P13 CLK INT0 6 D0 5 D1
P11 P12 P13
C14 223
VCC 5V
R2 22K R5
C8 104
VCC 3V
TLC0832
RX TX
IC8 1 P1.0 2 P1.1 3 P1.2 4 P1.3 5 P1.4 6 P1.5 7 P1.6 8 P1.7 10 RXD 11 TXD
VCC
40
C48 0.1u VCC 5V
39P0 P0.0 38P1 P0.1 37P2 P0.2 36P3 P0.3 35P4 P0.4 34P5 P0.5 33P6 P0.6 32P7 P0.7 28 P2.7 27 P2.6 26 P2.5 25 P2.4 24 P2.3 23 P2.2 22 P2.1 21 P2.0
L9 60nH
2.7K
R6 2.7K 12MHz XTAL3 C5 22p C6 22p
INT0 12 INT0 13 INT1 14 T0 15 T1 16 WR 17 RD 18 19 VCC 5V XTA