华为资料合集 华为IoT开发者生态峰会LiteOS_N-IoT_OcenConnect 软件库 EV_M1_资料 02 Hrdwre EV_M1_v20

1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 DD CC BB AA Title NumberRevisionSize A1 Date 2017 10 30Sheet of File C Users Sheet1 SchDocDrawn By S7 SW PB C2212pF NRST R11 22K S1 SW PB D1 KEY1 C4110nF 12 X1 C2410nF C2312pF R12 22K S2 SW PB R2 2K KEY2 C2510nF VBAT 1 PC13 2 PC14 OSC32 IN 3 PC15 OSC32 OUT 4 PH0 OSC IN 5 PH1 OSC OUT 6 NRST 7 PC0 8 PC1 9 PC2 10 PC3 11 VSSA VREF 12 VDDA VREF 13 PA0 14 PA1 15 PA2 16 PA3 17 VSS 18 VDD 19 PA4 20 PA5 21 PA6 22 PA7 23 PC4 24 PC5 25 PB0 26 PB1 27 PB2 28 PB10 29 PB11 30 VSS 31 VDD 32 PB12 33 PB13 34 PB14 35 PB15 36 PC6 37 PC7 38 PC8 39 PC9 40 PA8 41 PA9 42 PA10 43 PA11 44 PA12 45 JTMS SWDIO PA13 46 VSS 47 VDDUSB 48 JTCK SWCLK PA14 49 JTDI PA15 50 PC10 51 PC11 52 PC12 53 PD2 54 JTDO TRACE SWO PB3 55 NJTRST PB4 56 PB5 57 PB6 58 PB7 59 BOOT0 PH3 60 PB8 61 PB9 62 VSS 63 VDD 64 STM32L433Rx QFP64 U5 STM32L433Rx V3 3 GND C15100nF C20 22pF PB9 R13 22K S3 SW PB PB8 R10100K KEY3 GNDBOOT0 C2610nF 43 12 Y18MHz PB7 NRSTPB6 KEY1PB5 KEY2 R14 22K S4 SW PB KEY3 KEY4 C2710nF KEY4 C21 22pF GND C16100nF PC12 PC11V3 3 PC10 PA15 SWCLKMCU TX C31nF MCU RXV3 3 GNDGND C17100nF C18 100nF SWDIOV3 3 C2 100uF 1 2 3 4 P4 Header 4 PA4 ADC DACPA12 PA5 ADC DACPA11 SWDIO C4 100nF SHT20 SDAPA6 ADC SWCLK PA7 ADCSHT20 SCL OLED SCL OLED SDA GND C19100nF BC95 SWITCHV3 3 PA12 PA11 1 2 P9 Header 2 PC12 PC11 PC10 PA15 1 2 3 4 5 6 7 8 9 10 P2 Header 10 1 2 3 4 5 6 7 8 9 10 P1 Header 10 1 2 3 4 P7 Header 4 PB9 PB8 PB7 PB6 PB5 PA7 ADC PA6 ADC PA4 ADC DAC PA5 ADC DAC 1 2 P8 Header 2 Ant1 Antenna 1 2 P6 Header 2 R27 1K D3 R1 3K C9NC Q1 AO3415 R25 3K C38100nF BC95 SWITCH C39 10nF GND C37100uF R7 1K C10NC R26 4 7K GND 63 GND 64 GND 65 GND 66 RESERVED 67 RESERVED 68 RESERVED 69 RESERVED 70 GND 71 GND 72 GND 73 GND 74 RESERVED 75 RESERVED 76 RESERVED 77 RESERVED 78 RESERVED 79 RESERVED 80 GND 81 GND 82 GND 83 RESERVED 84 RESERVED 85 RESERVED 86 RESERVED 87 RESERVED 88 RESERVED 89 RESERVED 90 RESERVED 91 GND 92 GND 93 GND 94 RESERVED 55 RESERVED 56 RESERVED 57 RESERVED 58 GND 59 GND 60 GND 61 GND 62 U1B BC95 R1522R SIM CLK 1 2 P10 Header 2 SWD DATA R1622R SIM DATASWD CLK R1722R SIM RST SIM VDD C1 33pF C28 33pF C29 33pF RESERVED 1 GND 2 SWD DATA 3 SWD CLK 4 RESERVED 5 RESERVED 6 RESERVED 7 RESERVED 8 RESERVED 9 RESERVED 10 RESERVED 11 RESERVED 12 RESERVED 13 RESERVED 14 RESET 15 RESERVED 16 RESERVED 17 NETLIGHT 18 DBG RXD 19 DBG TXD 20 ADC 21 RESERVED 22 RESERVED 23 RESERVED 24 RESERVED 25 VDD EXT 26 RESERVED 27 RESERVED 28 RXD 29 TXD 30 RESERVED 31 RESERVED 32 RESERVED 33 RI 34 RESERVED 35 RESERVED 36 RESERVED 37 USIM VDD 38 USIM RST 39 USIM DATA 40 USIM CLK 41 USIM GND 42 RESERVED 44 VBAT 45 VBAT 46 GND 47 GND 48 RESERVED 49 RESERVED 50 GND 51 GND 52 RF ANT 53 GND 54 GND 43 U1A BC95 R52KBC95 TX R62K R28 10K S6 SW PB BC95 RX C4010nF BC95 DB TX SIM VDD GND 1 NC 2 I O 3 NC 4 NC 5 CLOCK 6 RESET 7 VCC 8 U3 MFF2 R180R BC95 DB TX R29 1K BC95 DB RX SIM RST BC95 DB RX R190R D2 SIM CLK 1 2 3 P5 Header 3 Q2 8050 R8 2K R200R R30 10K SIM DATA I O 1 CLK 2 VCC 6 VPP 3 CHECK 7 RST 4 GND 5 U6 SIM CARD K1 1 A 2 K2 3 K3 4 K5 6 K4 5 U2 SMF05C SIM DATA SIM RST SIM CLK SIM VDD SIM DATASIM CLK GNDSIM RST GND 1 TXD 2 RXD 3 V3 4 VD 5 VD 6 NC 7 NC 8 CTS 9 DSR 10 RI 11 DCD 12 DTR 13 RTS 14 R232 15 VCC 16 CH340C U4 CH340C CH340 TX C7100nF CH340 RX C8 100nF VCC 1 D 2 D 3 GND 4 Pulic 5 P3 MINI 5P母头 V3 3 C302 2uF VCC 14 VCOMH 13 IREF 12 SDA 11 SCL 10 RES 9 VDD 8 VSS 7 VBREF 6 VBAT 5 CIN 4 CIP 3 C2N 2 C2P 1 M1 QG 2832TSWFG02 R21 10K R22 10K R23 10K C312 2uF R24820K S5 SW DPDT CH340 RX OLED SDA BC95 TX OLED SCL MCU RX C322 2uF CH340 TX BC95 RX MCU TX C3322nF V3 3C34100nF C351uF C361uF R33 4 7K R32 4 7K SHT20 SDA SHT20 SCL SDA 1 VSS 2 NC 3 NC 4 VDD 5 SCL 6 U7 SHT20 V3 3 C42100nF V3 3GND GND V3 3V5 0 V5 0 V3 3 GND V3 3 GND GND V5 0 GND GND V3 3 GND 外接扩展板接口 PA5 PA4 PA6 PA7 因改板过程中 没能将丝印更新 请以此图为准 GND GND GND VBUS GND GND GND V3 3 GND GND STM32功能按键 STM32下载接口 电源核心板接口 GND V3 3 GND 温湿度传感器 V3 3 GND GND GND GND 128 32 OLED 主控MCU STM32L431 GND GND GND GND GND VDD BC95 GND GND GND GND GND NB IoT BC95 GND VDD BC95 GND V3 3 BC95供电手自动切换开关 去掉跳帽 可用单片机PB12控制BC95供电 盖上跳帽 用USB串口升级BC95时 需盖上跳帽 GND R20 R19 R18三个电阻为芯片SIM卡的片选电阻 如果用普通SIM卡 则电阻和