The low-power Bluetooth voice remote control chips provide developers with complete development and production materials, simple and easy-to-use SDKs, a variety of burn-in and frequency bias calibration tools, and OTT set-top box Android firmware development documentation, so that customers can quickly get started with product development.
The HS6621Cx-C series are low-power full-featured Bluetooth 5.1 stack and 2.4GHz private protocol dual-mode wireless connectivity chips. Some models have audio ADCs and can support analog and digital microphones.
The OM6621E series are low-power Bluetooth 5.1 stack and 2.4GHz private protocol compatible dual-mode wireless connectivity chips with audio ADC, capable of supporting both analog and digital microphones, and built-in infrared transceiver circuitry.
Parameter | BT Version | Core | Max Speed | RAM | Flash | Supply Voltage | Package |
HS6621CW-C | BLE 5.1 | M4F | 64MHz | 64KB | 1MB | 1.8V ~ 3.6V | QFN48 6*6mm |
HS6621CM-C | BLE 5.1 | M4F | 64MHz | 64KB | 512KB | 1.8V ~ 3.6V | QFN32 4*4mm |
OM6621EM | BLE 5.1 | M4 | 64MHz | 40KB | 512KB | 1.8V ~ 3.6V | QFN32 4*4mm |
Product Advantages:
1) Support analog Mic single-ended or double-ended input; support digital Mic and single Mic noise reduction.
2) Support 16-bit audio ADC.
3) Support 8K and 16K samples.
4) Support SBC, ADPCM and other common coding algorithms.
5) Internal integrated infrared transmitter driver, support IR transmitter commonly used infrared code format.
6) Internal integrated infrared learning circuit, support for infrared learning, including the format of infrared with jump change.
7) Support double backup upgrade.
8) Support multi-partition individual upgrade.
