The ST7LNB1Y0 is an 8-bit microcontroller dedicated to DiSEqC slave operation in SaTCR based LNBs (low-noise blocks) and switchers. This microcontroller features such as low power consumption, safe power on/off management and internal 8MHz oscillator. It also has two DiSEqC communication interfaces, four I2C communication interfaces and 4 output pins for control of a legacy matrix.