C8051F99x-C8051F98x Ultra Low Power, 8-2 kB Flash,.
Silicon Laboratories
C8051F983 - Capacitive Sensing MCU
C8051F99x-C8051F98x Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU Ultra Low Power Consumption - 150 µA/MHz in active mode (24.5 MHz clock) - 2.