The BK3435 chip is a highly integrated Bluetooth low energy single mode device certified with Bluetooth® Low Energy 5.0 (DID: D040065). It integrates a high-performance RF transceiver, baseband, MCU core, rich feature peripheral units, programmable protocol and profile to support Bluetooth® Low Energy application. The Flash program memory makes it suitable for customized applications.
| Features | |
|---|---|
| 1.Bluetooth® Low Energy with 1 Mbps and 2 Mbps rate and extended data length | 2.Enhanced privacy with Bluetooth® Low Energy 4.2 secure connection |
| 3.Support Bluetooth® Low Energy master and slave links at the same time | 4.Low-power 2.4 GHz Transceiver |
| 5.32-bit RISC Core integrated | 6.512 KB programmable Flash for Program and 64 KB RAM for Data |
| 7.Operation voltage from 0.9 V to 3.6 V |
8.Clock 1）16 MHz crystal reference clock with internal tuning load capacitance 2）64 MHz digital PLL clock 3）32 kHz ring oscillator 4）External 32KHz crystal oscillator 5）MCU can run with any clock source with internal frequency divider 6）Dedicate audio PLL clock for I2S main clock |
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9.Interface and peripheral units 1）Quad IO FLASH programming 2）JTAG, I2C, SPI interface 3）Two UART interface 4）Multi-channels PWM output 5）USB Host and Device interface 6） IrDA receiver and transmitter amplify 7）On-chip high accurate temperature sensor 8）On-chip 10 bit general ADC 9）On-chip audio gain amplify and 16 bit microphone ADC 10）GPIO with multiplexed interface functions 11）True random number generator 12）I2S/PCM digital audio interface with master and slave mode |
10.Typical Package Type 32-pin QFN 4x4, 40-pin QFN5x5 and 48-pin QFN6x6 |
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