Data Sheet
Table Of Contents
- 1 Overview and Key Features
- 1.2 Application Areas
- Features and Benefits
- 2 Specifications
- 3 Hardware Specifications
- 3.1 Block Diagram and Pin-out
- 3.2 Pin Definitions
- 3.3 Electrical Specifications
- 4 Functional Description
- 4.1 Power Management (includes brown-out and power on reset)
- 4.2 Clocks and Timers
- 4.3 RF
- 4.4 UART Interface
- 4.5 SPI Bus
- 4.6 I2C Interface
- 4.7 General Purpose I/O, ADC and PWM/FREQ
- 4.8 nRESET Pin
- 4.9 nAutoRUN Pin
- 4.10 RM1xx VSP Service and Modes
- 4.11 Two-Wire SWD Programming/Debug Interface
- 4.12 RM1xx on-board chip antenna characteristics
- 5 Hardware Integration Suggestions
- 6 Mechanical Details
- 7 Application Note for Surface Mount Modules
- 8 FCC and IC Regulatory Statements
- 9 CE Regulatory
- 10 EU Declarations of Conformity
- 11 Ordering Information
- 12 Bluetooth SIG Qualification
RM1xx LoRa/BLE Modules
Datasheet
https://connectivity.lairdtech.com/wireless-
modules/lorawan-solutions
18
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BLE Transmit/Receive currents at Vcc=3.3V @25˚C
Figure 5: Typical peak current consumption profile with doze mode in effect before/after the Rx/Tx
Table 11: BLE Peak Transmit/Receive currents vs Vcc @25˚C
Vcc
[V]
BLE Tx Current
[mA]
BLE Rx Current
[mA]
3.5 12.0 11.4
3.3 12.7 11.9
3.0 13.3 12.3
2.7 14.4 13.0
1.8 16.6 15.02
Note: This is the total module current (sum of pins VCC_BLE and VCC_LORA)
3.3.6.2 Peripheral Block Current Consumption
The values below are calculated for a typical operating voltage of 3 V.
Table 12: UART Power Consumption
Parameter Min Typ Max Unit
UART Run current @ Max Baud Rate 230 uA
UART Run current @ 115200 bps 220 uA
UART Run current @ 1200 bps 210 uA
UART Baud rate 1200 460800 bps
Table 13: SPI Power Consumption
Parameter Min Typ Max Unit
SPI Master Run current @ 125 kbps 180 uA
SPI Master Run current @ 4 Mbps 200 uA
SPI bit rate 0.125 4 Mbps