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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 ModuleTechnology：
BLE 5.2PHY：
1M/2M/125K/500KOutput：
6dBmSensitivity：
-94dBmCurrent-TX：
4.2mA@0dBmCurrent-RX：
3.8mASleeping Current：
1.4uAVDD：
1.8V~3.6VFlash：
256KBRAM：
48KBUART Baund Rate：
115200bpsInterface：
UARTSize：
17*12.5*2.6mm
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