PM7340 S/UNI-IMA-8
PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
DATA SHEET
PMC-2001723
ISSUE 3
INVERSE MULTIPLEXING OVER ATM
10.1.3 Summary of Any-PHY/UTOPIA Modes
The following table summarizes the available modes of the Any-PHY/UTOPIA
Interfaces
Mode Dir & UL2 Single PHY
Protocol
UL2 Multi-PHY
Any-PHY
TX Poll
Not supported
PHY Channels: 8
Channel Enable Register:
TCAEN(3:0)
PHY Channels: 8
Channel Enable Register:
TCAEN(6:0)
Channel Address Pins: TADR(2:0) Device ID Register:
CFG_ADDR(6:3)
Status Pin: TCA
Channel Address Pins: TADR(6:0)
Address Qualifier Pin: TCSB
Status Pin: TCA
TX Select
Not supported
PHY Channels: 8
Channel Enable Register:
TCAEN(3:0)
PHY Channels: 8
Channel Enable Register:
TCAEN(6:0)
Channel Address Pins: TADR(4:0) Device ID Register:
CFG_ADDR(15:7) or (7)
Select Pin: TENB
Channel Address: Prepend bits
(6:0)
Device Address: Prepend bits (bit
15:7, for 16 bit mode) or (bit 7 for
8-bit mode)
Select Pin: TENB, TSX to indicate
first byte of transfer.
TX Transfer Not supported
Cell Size: 8 bit X 53 or 55 bytes
Cell Size: 8 bit X 54 or 56 bytes
Cell Size: 16 bit X 27 or 28 words Cell Size: 16 bit X 28 or 29 words
Enable Pin: TENB
Enable Pin: TENB
Pause in Cell: w/ TENB
RX Poll
PHY Channels: 1
PHY Channels: 8
PHY Channels: 1 (in-band
addressing is used to identify
virtual PHYs)
Device ID Register: DEVID(4:0)
Channel Enable Register:
RCAEN(3:0)
Device ID Register: DEVID(4:0)
Device Address Pins: RADR(4:0) Channel Address Pins: RADR(4:0) Device Address Pins: RADR(4:0)
Status Pin: RCA
Status Pin: RCA
Status Pin: RCA
RX Select
PHY Channels: 1
Device ID Register: DEVID(4:0)
PHY Channels: 8
Channel Enable Register:
RCAEN(3:0)
PHY Channels: 1
Device ID Register: DEVID(4:0)
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
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PMC [ PMC-SIERRA, INC ]
