433MHz Transceiver SPIRIT1 RF Module

N565AS radio module based on ST SPIRIT1 RF transceiver, designed for very ultra-low-power, 169M, 315Ｍ, 433M, 868M, 915M and 950 MHz. N565AS air data rate from 1 to 500 kbps. The transceiver module is mainly used for the ISM (Scientific, Industrial, and Medical). And can program the SPIRIT1 module register easily be used for other frequencies in the 150-174 MHz, 300-348 MHz, 387-470 MHz, 779-956 MHz bands.

N565AS module Feature

Air data rate: 1 to 500 kbps

RF Frequency bands: 150-174 MHz, 300-348 MHz, 387-470 MHz, 779-956 MHz

Module Modulation: 2-FSK, GFSK, GMSK, MSK, OOK, and ASK

Very low power consumption (21 mA TX at +11 dBm and 9 mA RX)

Performance of receiver sensitivity (-118 dBm)

Programmable output power up to +16 dBm

Programmable RX digital filter from 1 kHz to 800 kHz

Programmable channel spacing (12.5 kHz min.)

RX and TX FIFO buffer (96 bytes each)

Configurability via SPI interface

Integrated temperature sensor

SMD package

RF pin

Automatic acknowledgment, retransmission, and timeout protocol engine

Size 16 x 20 x 3 mm

SPIRIT1 Description

The SPIRIT1 is a RF transceiver, intended for RF wireless applications in the sub-1 GHz band. It is designed to operate both in the license-free ISM and SRD frequency bands at 169, 315, 433, 868, and 915 MHz, but can also be programmed to operate at other additional frequencies in the 300-348 MHz, 387-470 MHz, and 779-956 MHz bands. The air data rate is programmable from 1 to 500 kbps, and the SPIRIT1 can be used in systems with channel spacing of 12.5/25 kHz, complying with the EN 300 220 standard. It uses a very small number of discrete external components and integrates a configurable baseband modem, which supports data management, modulation, and demodulation. The data management handles the data in the proprietary fully programmable packet format also allows the M-Bus standard compliance format (all performance classes).

However, the SPIRIT1 can perform cyclic redundancy checks on the data as well as FEC encoding/decoding on the packets. The SPIRIT1 provides an optional automatic acknowledgement, retransmission, and timeout protocol engine in order to reduce overall system costs by handling all the high-speed link layer operations.

Moreover, the SPIRIT1 supports an embedded CSMA/CA engine. An AES 128-bit encryption co-processor is available for secure data transfer. The SPIRIT1 fully supports antenna diversity with an integrated antenna switching control algorithm. The SPIRIT1 supports different modulation schemes: 2-FSK, GFSK, OOK, ASK, and MSK. Transmitted/received data bytes are buffered in two different three-level FIFOs (TX FIFO and RX FIFO), accessible via the SPI interface for host processing.

Start to use N565AS

1. N565AS EDA Symbols, Footprints

2. N565AS pinout Description

N565AS typical application circuit

3. N565AS soft code

Wireless M-Bus Protocol Stack

Sub-1 GHz RF communication software expansion for STM32Cube

software package to start developing SPIRIT1 expansion boards

Complete middleware to build wM-Bus applications using the wM-Bus library (X-NUCLEO-S2868A2 and X-NUCLEO-IDS01A4 only)

Middleware library with Contiki OS and Contiki 6LoWPAN protocol stack 3.x (NUCLEO-F401RE and NUCLEO-L152RE only)

Point-to-point communication sample application for simple buffer transmission and acknowledgement implementation

Low-power optimizations for the STM32 MCU family

Easy portability across different MCU families thanks to STM32Cube

PC-based application (Windows®) for wM-Bus to log meter data

Free user-friendly license terms

Sample implementation available on X-NUCLEO-IDS01A4 or X-NUCLEO-IDS01A5 and X-NUCLEO-S2868A2 or X-NUCLEO-S2915A1 expansion boards when connected to NUCLEO-F401RE, NUCLEO-L053R8 or NUCLEO-L152RE boards

This device is a high-performance ultra-low-power RF transceiver designed for RF wireless applications below the 1GHz band.

This module aims to achieve maximum performance in the smallest space, with 4 programmable I/O pins.

It can be programmed from an external microcontroller through the SPI interface.

This device is a high performance ultra power RF transceiver designed for RF wireless application in the sub 1GHz band.
The module is designed for maximum performance in a minimal space, with 4 programmable I/O pins.
Programmable from external microcontroller via SPI interface.

N565AS Information

N565AS-169M SPIRIT1 16dBm 150-174 MHz

N565AS-315M SPIRIT1 16dBm 300-348 MHz

N565AS-433M SPIRIT1 16dBm 387-470 MHz

N565AS-868M SPIRIT1 16dBm 779-880 MHz

N565AS-915M SPIRIT1 16dBm 880-956 MHz