Bluetooth® Dual-mode (Bluetooth Smart Ready) System-on-Module OBP421 makes it is possible to get full control of all system resources in one solution and can also used as complete host CPU replacement. ARM®Cortex™-M3, 32-bit RISC core operates at 72 MHz with high-speed embedded memories consisting of Flash up to 384 kB and SRAM up to 64 kB. MCU offers range of I/O, peripherals, 12-bit ADCs, general-purpose 16-bit timers, PWM timers, as well as I²C, SPI, USART, and CAN interfaces.
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