参数资料
型号: ST7LNB1Y0M6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, EEPROM, 8 MHz, MICROCONTROLLER, PDSO16
封装: 0.150 INCH, PLASTIC, SOP-16
文件页数: 1/36页
文件大小: 536K
代理商: ST7LNB1Y0M6
July 2007
Rev 8
1
ST7LNB1Y0
DiSEqC slave microcontroller
for SaTCR based 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
– Two DiSEqCTM communication interfaces
–Four I2C communication interfaces
I/O ports
– 4 output pins for control of a legacy matrix
Description
The ST7LNB1Y0 is an 8-bit microcontroller
dedicated to DiSEqC slave operation in SaTCR
based LNBs (low-noise blocks) and switchers.
Figure 1.
Block diagram
SO16 narrow
8-BIT CORE
ALU
ADDRESS
AND
DATA
BUS
RESET
DRX2
8 MHz. RC OSC
Internal
CLOCK
CONTROL
SDA1
VSS
POWER
SUPPLY
LVD/AVD
VDD
I2C 1
SCL1
DRX1
SDA2
I2C 2
SCL2
SDA3 / MAT2
I2C 3 /
SCL3 / MAT1
SDA4 / MAT4
I2C 4 /
SCL4 / MAT3
13/18 V & 22 kHz
DiSEqC Interface
PARAMETER
DTX
Detector
EEPROM
LEGACY MATRIX
CONTROL
Table 1.
Device summary
Features
Part number: ST7LNB1Y0M6
Packages
SO16 narrow
Peripherals
DiSEqC communication interface, 22 kHz tone detector, 13/18 V detector
Operating voltage
4.5 to 5.5 V
Temperature range
-40 to +85 °C
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