PM5945 데이터 시트보기 (PDF) - PMC-Sierra

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PM5945

SONET ATM PHYSICAL INTERFACE BOARD

PMC-Sierra 

S TANDARD PRODUCT

PMC-Sierra, Inc.

PM5945 SAPI

PMC-940106 ISSUE 3, May 16, 1994

SAPI DAUGHTERBOARD

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UTOPIA Identification ROM

The upper 32 bytes of the address space is used by the UTOPIA indentification ROM

to hold the interface configuration information.

Address

Function

Address

Function

0x1C0-0x1DF Reserved

0x1E4-0x1EB 64 or 48-bit Address

0x1E0

Protocol Type 0x1EC-0x1EF Reserved

0x1E1

Media Type

0x1F0-0x1FF Manufacturer ID, Version

0x1E2-0x1E3 Capability

Protocol Type:

Contains an identifier for the type of framing/protocol used on this PHY interface.

The SAPI board has 0x0C programmed into this location which specifies 155.52

Mbps (SONET/OC-3) ATM Forum standard. The following values are defined:

Value

0x00-0x03

0x04

0x05-0x07

0x08

0x09-0x0B

0x0C

0x0D

0x0E-0xFE

0xFF

Framing Type

Reserved

44.736 Mbps (DS-3) ATM Forum Standard

Reserved

100 Mbps (4B/5B block coded) ATM Forum Standard

Reserved

155.52 Mbps (SONET/OC-3) ATM Forum Standard

155.52 Mbps (8B/10B block coded) ATM Forum

Standard

Reserved

Undefined/Unidentified Protocol Type

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