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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”
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I/O ports – 8 output ports for control of committed and uncommitted switches – 1 output port for standby control
Internal CLOCK 8 MHz.
ST7LNB0 Datasheet
