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ST7LNB0
DiSEqC™ 2.
1 Slave Microcontroller for LNBs and Switchers
The ST7LNB0 is an 8-bit microcontroller dedicated to DiSEqC™ slave operation in LNBs and switchers, it is compliant with the DiSEqC™ 2.
1 level, also it supports backwards compatible (13/ 18 V, 22 kHz tone) and toneburst signalling.
■ Clock, Reset and Supply Management – Reduced power consumption.
– Safe power on/off management by low
voltage detector (LVD).
– Internal 8 MHz oscillator ■ Communication interface – One DiSEqC™ 2.
1 communication interface ■ Analog interface – 13/18 V
voltage detector – 22 KHz tone detector Figure 1.
ST7LNB0 Block Diagram
SO16 150”
■
I/O ports – 8 output ports for control of ...