Datasheet > ST7LNB0V2Y0

ST7LNB0V2Y0

更新时间： 2024-11-11 06:14:31

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
30页	454K
描述
DiSEqC™ 2.1 slave microcontroller for LNBs and switchers

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数据手册

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ST7LNB0V2Y0 数据手册

ST7LNB0V2Y0

DiSEqC™ 2.1 slave microcontroller

for LNBs and switchers

Features

■ Clock, reset and supply management

– Reduced power consumption.

– Safe power on/off management by low

voltage detector (LVD).

SO16 narrow

– Internal 8 MHz oscillator

■ Communication interface

– One DiSEqC™ 2.1 communication

interface

Description

The ST7LNB0V2Y0 is an 8-bit microcontroller

dedicated to DiSEqC™ slave operation in LNBs

and switchers. It is compliant with the DiSEqC™

level 2.1. It also supports backwards compatible

mode (13/18 V, 22 kHz tone) and toneburst

signalling.

■ Analog interface

– 13/18 V voltage detector

– 22 kHz tone detector

■ I/O ports

– 8 output ports for control of committed and

uncommitted switches

– 1 output port for standby control

Figure 1.

Block diagram

Internal

CLOCK

DTX

DRX

8 MHz. RC OSC

LVD

DiSEqC™ 2.1

22kHz tone Detector

13/18 V Detector

POWER

SUPPLY

CONTROL

RESET

8-BIT CORE

ALU

OP[8:1]

SBY

SWITCH PORTS

Table 1.

Device summary

Features

Orderable part number: ST7LNB0V2Y0M6

Packages

SO16 narrow

Peripherals

DiSEqC™ 2.1 communication interface, 22 kHz tone detector, 13/18 V detector

Operating voltage

Temperature range

4.5 to 5.5 V

-40 to +85 °C

September 2007

Rev 6

1/30

www.st.com

12 3 4 5 6 7...30

中文翻译

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