The EM6819 is an ultra-low power 8-bit RISC microcontroller from EM Microelectronics. Built on CMOS process, it operates down to 0.9V and achieves nA-level sleep current. Features integrated LCD driver, timers, ADC, and rich peripherals — ideal for battery-powered consumer electronics and smart card applications.
| Architecture | 8-bit RISC |
| Supply Voltage | 0.9V ~ 3.6V |
| Sleep Current | < 50 nA |
| Flash | 2KB ~ 32KB |
| RAM | 64 ~ 512B |
| Interface | I²C, SPI, UART |
| Package | QFN, DIP, TSSOP |
| Temp Range | -40°C ~ 85°C |
EM Microelectronics
Switzerland
Ultra-Low Power ICs — Semiconductor brand of the Swatch Group
View all EM Microelectronics products →The EM9301 is a single-mode Bluetooth 4.0 Low Energy (BLE) controller IC designed for ultra-low power applications. It communicates with the host MCU via SPI, integrates the RF front-end and baseband, and provides a complete BLE link layer — ideal for wearables, sensors, and beacons requiring extremely low operating current.
EM4305 is a 125kHz low-frequency RFID read/write transponder IC powered by the inductive coil. Supports ASK/FSK/PSK modulation with 512-bit EEPROM — widely used in access control cards, employee ID cards, animal identification, and industrial tracking.