How to analyze SIP chip ASR6505 in LoRa wireless communication

This article shows you how to analyze LoRa wireless communication SIP chip ASR6505, the content is concise and easy to understand, absolutely can make your eyes bright, through the detailed introduction of this article, I hope you can get something.

ASR6505 is a general-purpose LoRa wireless communication SIP chip, which integrates LoRa transceiver, LoRa modem and an 8-bit CISC MCU. MCU adopts advanced STM 8-bit core and runs at 16MHz frequency. The frequency coverage of LoRa transceivers ranges from 150MHz to 960MHz. LoRa modems support LoRa modulation for LPWAN use cases and (G) FSK modulation for legacy use cases. The LoRa wireless communication module designed by ASR6505 provides ultra-long-distance and ultra-low power communication for LPWAN applications.

ASR6505 is a SIP chip based on STM 8-bit MCU and SX1262 designed by ASR IOT. It supports the most full LoRa band and has more cost advantage than the LoRa system chip of 32-bit single-chip microcomputer. With high sensitivity and high transmission power, rich interface resources can meet different application scenarios.

The chip integrates LoRaWAN,LinkWAN and Alios and is suitable for a variety of application scenarios of the Internet of things, including meters, smart cities, security, intelligent animal husbandry, intelligent logistics, intelligent buildings and so on.

The sensitivity of ASR6505 can reach above-140dBm and the maximum transmit power is higher than + 21dBm. This makes it suitable for use in remote LPWAN and has high efficiency. The whole chip package is very small, 8mm x 8mm, with a total of 68 pins

Chipset characteristics

SX1262+STML152 chipset

Package size: 8mm*8mm*0.9mm, QFN 68PIN

LoRa wireless and LoRa modulation and demodulation

Frequency range: 150MHz~960MHz

Maximum output power: 21dBm

Sensitivity:-140dBm

Deep dormant current: 2uA (with RTC)

TX mode current 50 Master17dBm; 40Ma@14dBm

Receiving current: 10mA

62.5kbps @ modulation mode with the highest programmable rate

The highest programmable rate 300kbps @ (G) FSK mode

Leading detection

Embedded memory (128K FLASH, 16K SRAM)

30 GPIO, 1 I2C, 2 UART,1, SWIM,1, SPI,3 ADC

Internal and external interfaces of the module

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