User's Manual
Table Of Contents
- Low-Power Long Range (LoRa®) Technology Gateway Module for US (LG9271) and EU (LG8271)
- 1.0 Device Overview
- 2.0 General Specifications
- TABLE 2-1: General Specification
- TABLE 2-2: Electrical Characteristics
- TABLE 2-3: RF Receiver Characteristics
- TABLE 2-4: LoRa Technology Data Rate (bps) and Sensitivity versus Spreading Factor (SF)
- TABLE 2-5: CURRENT CONSUMPTION (3.3V)
- TABLE 2-6: Module Dimensions
- TABLE 2-7: RF OUTPUT POWER (dBm) versus TX POWER SETTING (nominal)
- 3.0 Typical Hardware Connections
- 4.0 Application Information
- 5.0 Regulatory Approval
- Appendix A: Revision History
- Worldwide Sales and Service
2017 Microchip Technology Inc. Preliminary DS00000000A-page 5
LG8271/LG9271
29 GND Power Ground Supply Terminal
30 HOST_CLK Input Host I
2
C Clock
31 NC — Not Connected
32 HOS_SDA Input/Output HOST I
2
C Data
33 NC — Not Connected
34 GND Power Ground Supply Terminal
35 GND Power Ground Supply Terminal
36 USB_D- — Host USB D-
37 GND Power Ground Supply Terminal
38 USB_D+ — Host USB D+
39 VDD Power Positive Supply Terminal
40 GND Power Ground Supply Terminal
41 VDD Power Positive Supply Terminal
42 LED1 Output LED1 Output
43 GND Power Ground Supply Terminal
44 LED2 Output LED2 Output
45 HOST_MISO Ouput Module SPI Slave Output
46 LED3 Output LED3 Output
47 HOST_MISO Input Module SPI Slave Input
48 PIC_DETECT Input/Output PCI Bus Detect Input.
Low = SPI Mode, High = mPCIe/UART
49 HOST_SS Input Module SPI Slave Select Input
50 GND Power Ground Supply Terminal
51 HOST_SCK Input Module SPI Clock Input
52 VDD Power Positive Supply Terminal
TABLE 1-1: PIN DESCRIPTION (CONTINUED)
Pin Symbol Type Description