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VSC8221 датащи(PDF) 64 Page - Microsemi Corporation

номер детали VSC8221
подробное описание детали  Single Port 10/100/1000BASE-T PHY with1.25 Gbps SerDes for SFPs/GBICs
PDF  138 Pages
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производитель  MICROSEMI [Microsemi Corporation]
домашняя страница  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

VSC8221 датащи(HTML) 64 Page - Microsemi Corporation

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VSC8221
Data Sheet
VMDS-10106 Revision 4.1
December 2006
64 of 64
64
22.2 PHY Register Set Nomenclature
22.3 PHY Register Bit types
PHY Register bit types are defined in the table below:
“Sticky” refers to the behavior of the register bit(s) after a software reset. if an “S” appears in the sticky column, the
corresponding bit(s) will retain their values after a software reset, as long as Mii Register bit 22.9 - Sticky Reset Enable is set.
if an “SS” appears in the sticky column, the corresponding bit(s) will retain their values after a software reset, regardless of the
state of Mii Register bit 22.9 - Sticky Reset Enable.
Table 30. Register Set Nomenclature
Register Address
Page View
Naming Convention
0-15
- NA-
Mii Register
16-31
PAGE0
Mii Register
16-31
PAGE1
Extended Page Mii Register (Referred to with
an ‘E’ after the register number e.g. 20E.15 is
Page 1 Register 20 bit 15)
Table 31. PHY Register Bit Types
Register Bit Type
Description
R/W
Read and Write, effective immediately
RO
Read Only (must be written ‘0’, unless specified otherwise)
RO SC
Read Only, Self Clears after Read
LH
Latched High, Clears after Read
LL
Latched Low, Clears after Read
SC
Self-Cleared
RWSW
Read and Write, effective after s/w reset. This register will read the new value only
after s/w reset.



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