cx28500 Mindspeed Technologies, cx28500 Datasheet - Page 217
cx28500
Manufacturer Part Number
cx28500
Description
Cx28500 Multichannel Synchronous Communications Controller
Manufacturer
Mindspeed Technologies
Datasheet
1.CX28500.pdf
(224 pages)
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This appendix serves as a reference regarding notational conventions used throughout the specification.
F.1
The general representation for numbers is as follows:
The suffix is often dropped for clarity when the context makes the intended radix obvious. Note that this suffix
convention requires that letters [ABCDEF] used in hex numbers always be capitalized.
F.2
By historical convention, digital voice data represented in octet samples are transmitted serially starting at the
leftmost bit (i.e., MSB = bit 1) and proceeding down to the rightmost bit of the sample (i.e., LSB = bit 8).
On the other hand, data organized in n-bit words is transmitted serially starting with the rightmost bit (i.e., LSB = bit
0) and proceeding along to the left most bit (i.e., MSB = bit n-1).
CX28500 is designed to support the data transmission convention. That is, on the receive side, serial data is
placed in the LSB of a word first up to the MSB. On the transmit side, the LSB (i.e., bit 0) is transmitted first, then on
up to the MSB.
F.3
F.3.1
The following is a list of acronyms used in this specification, and their expanded meanings.
28500-DSH-002-C
23B+D
2B+D
2B1Q
30B+D
Radix Notation
Bit Stream Convention
Acronyms, Abbreviations, and Definitions
Acronyms and Abbreviations
Twenty-three B Channels plus one D Channel
Two B Channels plus one D Channel
Two Bits in One Quaternary
Thirty B Channels plus one D Channel
Appendix F: Notation, Acronyms,
Binary
Hex
Decimal
Mindspeed Proprietary and Confidential
Mindspeed Technologies
Suffix
d
b
h
Abbreviations, and
Definitions
Example
001011b
6Fh, 01Bh
01d, 750d
®
202
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