HM-BT4531
High-Performance Bluetooth 5.2 SoC
HM-BT4531
BLE Data Transmission Module
BLE Data Transmission Module

Product Overview

HM-BT4531 is a BLE data transmission module, based on CMT4531 BLE 5.2 SoC chip (ARM Cortex-M0 32-bit processor, up to 64MHz working frequency) with 256KB Flash and 48KB RAM, features a high performance 2.4GHz transceiver, equipped with an on-board PCB antenna and the external antenna is optional with connector. The module communicates with an external MCU via UART to quickly set up wireless connection and data transfer between BLE peripheral devices and BLE central devices (such as mobile phones and tablets). The external MCU has a low  resource occupation and makes it easy for the developer to solve complex wireless communication challenges and accelerate time to market.

Module Features

⚫ 32-bit ARM Cortex-M0 processor with frequency up to 64MHz;
⚫ Supports BLE protocol 5.2 and Bluetooth Mesh;
⚫ Up to 256KB of FLASH and 48KB of RAM;
⚫ Support universal serial interface UART communication with the host MCU, the baud rate can be 9600bps to 500000bps;
⚫ Default connection interval is 30 millisecond for fast connection
⚫ Support LE 1M / 2M PHY and LE Coded PHY
⚫ Can be used as a BLE data transmission module or as an MCU alone;

Product Type:

BLE Module

Technology:

BLE 5.2

PHY:

1M/2M/125K/500K

Output:

6dBm

Sensitivity:

-94dBm

Current-TX:

4.2mA@0dBm

Current-RX:

3.8mA

Sleeping Current:

1.4uA

VDD:

1.8V~3.6V

Flash:

256KB

RAM:

48KB

UART Baund Rate:

115200bps

Interface:

UART

Size:

17*12.5*2.6mm
Design Documents & Resources
Typical Application Scheme
BLE Data Transparent Transmission Solution
BLE data transparent transmission is a short-range wireless transmission technology designed to realize the process of transmitting data from one device to another through Bluetooth wireless communication. Transparent transmission refers to passing data from one device to another without any modification or processing of the data.
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