ST7LNB0V2Y0 Datasheet, PDF (1/30 Pages) STMicroelectronics – DiSEqC™ 2.1 slave microcontroller for LNBs and switchers

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).
– Internal 8 MHz oscillator
■ Communication interface
– One DiSEqC™ 2.1 communication
interface
■ 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
SO16 narrow
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.
V_DD
V_SS
RESET
Internal
CLOCK
8 MHz. RC OSC
LVD
POWER
SUPPLY
CONTROL
8-BIT CORE
ALU
DiSEqC™ 2.1
22kHz tone Detector
13/18 V Detector
SWITCH PORTS
DTX
DRX
OP[8:1]
SBY
Table 1. Device summary
Features
Orderable part number: ST7LNB0V2Y0M6
Packages
SO16 narrow
Peripherals
Operating voltage
DiSEqC™ 2.1 communication interface, 22 kHz tone detector, 13/18 V detector
4.5 to 5.5 V
Temperature range
-40 to +85 °C
September 2007
Rev 6
1/30
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