參數(shù)資料
型號(hào)： MC68HC705BS8FB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 2.2 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, QFP-44
文件頁數(shù)： 87/128頁
文件大?。?/td> 9691K
代理商： MC68HC705BS8FB
MC68HC05BS8
M-BUS SERIAL INTERFACE
8
M-BUS SERIAL INTERFACE
The MC68HC05BS8 MCU has two M-Bus Serial Interface; one is full hardware, and the other is
software supported. Section 8.1 to Section 8.4 details the full hardware M-Bus interface.
Section 8.5 details the software supported M-Bus.
M-Bus (Motorola Bus) is a two-wire, bidirectional serial bus which provides a simple, efcient way
for data exchange between devices. It is fully compatible with the I2C bus standard. This two-wire
bus minimizes the interconnection between devices and eliminates the need for address
decoders; resulting in less PCB traces and economic hardware structure. This bus is suitable for
applications requiring communications in a short distance among a number of devices. The
maximum data rate is 100Kbit/s. The maximum communication length and number of devices that
can be connected are limited by a maximum bus capacitance of 400pF.
The M-Bus system is a true multi-master bus, including arbitration to prevent data collision if two
or more masters intend to control the bus simultaneously. It may be used for rapid testing and
alignment of end products via external connections to an assembly-line computer.
8.1
M-Bus Interface Features
Compatible with I2C bus standard
Multi-master operation
32 software programmable serial clock frequencies
Software selectable acknowledge bit
Interrupt driven byte-by-byte data transfer
Arbitration lost driven interrupt with automatic mode switching from master to slave
Calling address identication interrupt
Generate/detect the start, stop and acknowledge signals
Repeated START signal generation
Bus busy detection
TPG
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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MC68HC705C8ACFN 功能描述:IC MCU 4MHZ 8K OTP 44-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND
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