| Key Features | - 48 MHz Arm Cortex-M4 microprocessor with a floating point unit (FPU), 5 V operating voltage, Real-time Clock (RTC), Memory Protection Unit (MPU), Digital-to-analog Converter (DAC), Memory:- 256 kB Flash Memory, 32 kB SRAM, 8 kB Data Memory (EEPROM), Capacitive Touch Sensing Unit (CTSU), USB 2.0 Full-Speed Module (USBFS), 14-bit ADC, Up to 12-bit DAC, Operational Amplifier (OPAMP), Operating voltage for RA4M1 is 5 V, Recommended input voltage (VIN) is 6-24 V, Barrel jack connected to VIN pin (6-24 V), Power via USB-C at 5 V, 1x UART (pin D0, D1), 1x SPI (pin D10-D13, ICSP header), 1x I2C (pin A4, A5, SDA, SCL), 1x CAN (pin D4, D5, external transceiver is required), Wi-Fi support with 802.11 b/g/n standard (Wi-Fi® 4), Bit rate at up to 150 Mbps, 2.4 GHz band, Bluetooth 5
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