768 KB flash, 48 KB RAM — memory headroom for sensor-fusion firmware
The R7F100GSN3CFB#AA0: The RL78/G23 core runs at 32 MHz — enough throughput for real-time sensor fusion loops and capacitive touch UI polling without an external oscillator. 768 KB of on-chip flash holds a full application image with a bootloader and calibration tables; 48 KB RAM leaves room for a small RTOS, multiple communication buffers, and a display frame buffer. 8 KB of dedicated EEPROM stores calibration constants and production parameters on-chip, saving the external serial EEPROM package and the I²C bus line. The 26-channel ADC (configurable to 8-, 10-, or 12-bit resolution) plus two 8-bit DAC channels cover multi-sensor analog front-ends without external muxing.
116 I/O in a 128-LQFP — dense enough for parallel displays or keypad matrices
116 general-purpose I/O in a 128-pin LQFP (14x20 mm body) means you can drive a parallel LCD, scan a 8x8 keypad matrix, and still have pins left for sensor interrupts and debug.
ROHS3 compliant — no exemption-based restrictions on lead, mercury, or phthalates, so it passes EU and UKCA material declarations without a waiver. The 128-LQFP package is tray-packed; for reel or tape-and-reel quantities, confirm the packing option at RFQ.