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A message sequence chart (or MSC) is an interaction diagram from the SDL family standardized by the International Telecommunication Union. The purpose of recommending MSC (Message Sequence Chart) is to provide a trace language for the specification and description of the communication behaviour of system components and their environment by ...
MSC signalling scheme: fast downstream (TTL = red, TTL or LVDS = yellow), slow upstream (TLL = green) The Microsecond Bus, μSB or MSB is an asymmetric serial communication interface specification for short-distance communication between a master and multiple slaves. The MSB has been developed in the first place for motor management ...
Similarly, the most significant bit (MSb) represents the highest-order place of the binary integer. The LSb is sometimes referred to as the low-order bit or right-most bit, due to the convention in positional notation of writing less significant digits further to the right. The MSb is similarly referred to as the high-order bit or left-most bit.
Mscgen (short for MSC generator) is a software tool for drawing message sequence charts [1] from a simple to manage text-based source file. Rendered charts can be output in PNG, SVG and PostScript, with hyperlink information in ismap format.
MSC Message Sequence Chart. Another ITU-T related notation to describe the dynamic behavior of a system. ASN.1 Abstract Syntax Notation One. An ISO standard to describe data types that can be used within SDL. TTCN-3 Testing and Test Control Notation version 3. A testing language standardized by ITU-T and written by ETSI.
MSB (4-bit) LSB (3-bit) 1-bit 1 0000 000 0 General call 2 0000 000 1 Start byte 3 0000 001 X CBUS address 4 0000 010 X Reserved for different bus format 5 0000 011 X Reserved for future purpose 6 0000 1XX X HS-mode controller code 7 1111 1XX 1 Device ID 8 1111 0XX X 10-bit target (slave) addressing
SPI timing diagram for both clock polarities and phases. Data bits output on blue lines if CPHA=0, or on red lines if CPHA=1, and sample on opposite-colored lines. Numbers identify data bits. Z indicates high impedance. The SPI timing diagram shown is further described below: CPOL represents the polarity of the clock.
The visitor location register (VLR) associated with this MSC will have the subscriber's data in it. The anchor MSC is the MSC from which a handover has been initiated. The target MSC is the MSC toward which a handover should take place. A mobile switching center server is a part of the redesigned MSC concept starting from 3GPP Release 4.