Preliminary Specification Number : SP-ABZ-D
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LoRa Module Data Sheet
MP P/N: CMWX1ZZABZ
Sample P/N: CMWX1ZZABZ-TEMP
For LoRa
TM
Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata (China) Investment Co., Ltd.
Preliminary Specification Number : SP-ABZ-D
Updated height and package info
Revised some formats and ΔRF_OPH_V test condition
from 2.4-3.7V to 2.2-3.6V. Updated some electronic
Characteristics. Added the recommended land pattern.
Updated the RF performance, Electrical Characteristics
and power up sequence.
Added FCC and IC statements.
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Revision History
Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata (China) Investment Co., Ltd.
Preliminary Specification Number : SP-ABZ-D
3 / 19
TABLE OF CONTENTS
1. Features ······················································································································· 4
2. Part Number ················································································································· 4
3. Block Diagram ··············································································································· 4
4. Dimensions, Marking and Terminal Configurations ···························································· 5
5. Label Information ·········································································································· 8
6. Absolute Maximum Ratings ····························································································· 8
7. Operating Condition ······································································································· 8
8. Electrical Characteristics ································································································ 9
9. Power Sequences ··········································································································· 10
10. Recommend Land Pattern ····························································································· 11
11. Reference circuit ·········································································································· 12
12. Tape and Reel packing ·································································································· 13
13. Notice ························································································································ 16
14. Regulatory Statements ································································································· 18
Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata (China) Investment Co., Ltd.
1. Features
Interfaces : I2C, UART, USB, SPI
Main ICs : STM32L082, SX1276
Reference Clocks : Integrated 32MHz clock (TCXO with frequency error=±2 ppm)
Supported Frequencies : 868 MHz, 915 MHz
Module Size : 12.5 mm x 11.6 mm x 1.76 mm (Max)
Package : Metal Shield can
RoHS : This module is compliant with the RoHS directive
2. Part Number
3. Block Diagram
Preliminary Specification Number : SP-ABZ-D
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and 32.768KHz clock (frequency error=±20 ppm)
Preliminary & Confidential
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Murata (China) Investment Co., Ltd.
Preliminary Specification Number : SP-ABZ-D
4. Dimensions, Marking and Terminal Configurations
Top View Bottom View
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Side View
Table 1 Dimension (Unit: mm)
Preliminary & Confidential
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Murata (China) Investment Co., Ltd.
Preliminary Specification Number : SP-ABZ-D
Connection to
IC terminal
GPIO Mode:PB14
SPI2_ MISO
Terminal Configurations
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< Top View >
Table 2 Terminal Configurations
I/O STM32L082_PB12
Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata (China) Investment Co., Ltd.
Preliminary Specification Number : SP-ABZ-D
GPIO Mode:PA5
COMP2_INM
ADC_IN5
DAC_OUT2
GPIO Mode:PA4
COMP2_INM
ADC_IN4
DAC_OUT1
GPIO Mode:PA3
COMP2_ INP
ADC_IN3
GPIO Mode:PA2
COMP2_OUT
ADC_IN2
Transmit / Receive Antenna
I - Reset for Security IC
Reference Voltage For ADC and DAC
GPIO Mode:PA0
COMP2_OUT
ADC_IN2
GPIO Mode:PB8
I2C mode: SCL
GPIO Mode: PB9
I2C mode: SDA
GPIO Mode:PA13
SWDIO
LPUART1_RX
GPIO Mode:PA14
SWCLK
LPUART1_TX
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I/O STM32L082_PA3
I/O STM32L082_PA2
Ground -
A,I/O -
Ground -
I/O STM32L082_PA1
I/O STM32L082_PC1
I/O STM32L082_PA14
Preliminary & Confidential
< Specification may be changed by Murata without notice >
Murata (China) Investment Co., Ltd.