1893Y-10LFT IDT, 1893Y-10LFT Datasheet - Page 13
1893Y-10LFT
Manufacturer Part Number
1893Y-10LFT
Description
Ethernet ICs 3.3V 10/100 BASE TX INTEGRATED PHYCEIVER
Manufacturer
IDT
Datasheet
1.1893Y-10LFT.pdf
(152 pages)
Specifications of 1893Y-10LFT
Rohs
yes
Part # Aliases
ICS1893Y-10LFT
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Chapter 2 Conventions and Nomenclature
ICS1893 Rev C 6/6/00
Table 2-1
Table 2-1.
Bits
Code groups
Colon (:)
Numbers
Pin (or signal) names
Registers
ICS1893 - Release
lists and explains the conventions and nomenclature used throughout this data sheet.
Item
Conventions and Nomenclature
Within this table, see the item ‘ Symbols’
Within this table, see these items:
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
For example, the HW/SW pin selects between Hardware (HW) mode and
Software (SW) mode. When the signal level on the HW/SW pin is logic:
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
A bit in a register is identified using the format ‘ register.bit’ . For example, bit
0.15 is bit 15 of register 0.
When a colon is used with bits, it indicates the range of bits. For example,
bits 1.15:11 are bits 15, 14, 13, 12, and 11 of register 1.
For a range of bits, the order is always from the most-significant bit to the
least-significant bit.
‘ Bits’
‘ Pin (or signal) names’
As a default, all numbers use the decimal system (that is, base 10) unless
followed by a lowercase letter. A string of numbers followed by a lowercase
letter:
– A ‘ b’ represents a binary (base 2) number
– An ‘ h’ represents a hexadecimal (base 16) number
– An ‘ o’ represents an octal (base 8) number
All numerical references to registers use decimal notation (and not
hexadecimal).
All pin or signal names are provided in capital letters.
A pin name that includes a forward slash ‘ /’ is a multi-function, configuration
pin. These pins provide the ability to select between two ICS1893
functions. The name provided:
– Before the ‘ /’ indicates the pin name and function when the signal level
– After the ‘ /’ indicates the pin name and function when the signal level on
– Zero, the ICS1893 Hardware mode is selected.
– One, the ICS1893 Software mode is selected.
An ‘ n’ appended to the end of a pin name or signal name (such as
RESETn) indicates an active-low operation.
When a colon is used with pin or signal names, it indicates a range. For
example, TXD[3:0] represents pins/signals TXD3, TXD2, TXD1, and TXD0.
When pin name abbreviations are spelled out, words in parentheses
indicate additional description that is not part of the pin name abbreviation.
A bit in a register is identified using the format ‘ register.bit’ . For example, bit
0.15 is bit 15 of register 0.
All numerical references to registers use decimal notation (and not
hexadecimal).
When register name abbreviations are spelled out, words in parentheses
indicate additional description that is not part of the register name
abbreviation.
on the pin is logic zero.
the pin is logic one.
13
Convention / Nomenclature
Chapter 2 Conventions and Nomenclature
June, 2000
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