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PRELIMINARY
INVERSE MULTIPLEXING OVER ATM
PM7341 S/UNI-IMA-84
DATASHEET
PMC-2000223
ISSUE 4
INVERSE MULTIPLEXING OVER ATM
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
80
TCAEN(3:0)
TCAEN(10:0)
Channel Address Pins: TADR(4:0)
Device ID Register:
CFG_ADDR(10:7)
Channel Address Pins: TADR(6:0)
Status Pin: TCA
Device Address Pins: TADR(10:7)
Address Qualifier Pin: TCSB
Status Pin: TCA
TX Select
Not supported
PHY Channels: 31
PHY Channels: 84
Channel Enable Register:
TCAEN(3:0)
Channel Enable Register:
TCAEN(10:0)
Channel Address Pins: TADR(4:0)
Device ID Register:
CFG_ADDR(15:7) or (7)
Channel Address: Prepend bits
Select Pin: TENB
(6:0)
Device Address: Prepend bits (bit
15:7, for 16 bit mode) or (bit 7 for
8-bit mode)
Select Pin: TENB
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, TSX to indicate
first byte of transfer.
Pause in Cell: w/ TENB
RX Poll
PHY Channels: 1
PHY Channels: 31
PHY Channels: 1 (in-band
addressing is used to identify
virtual PHYs)
Device ID Register: DEVID(4:0)
Device ID Register: DEVID(4:0)
Channel Enable Register:
RCAEN(3:0)
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
PHY Channels: 31
PHY Channels: 1
Device ID Register: DEVID(4:0)
Channel Enable Register:
RCAEN(3:0)
Channel Address Pins: RADR(4:0) Device Address Pins: RADR(4:0)
Device ID Register: DEVID(4:0)
Device Address Pins: RADR(4:0)
Select Pin: RENB
Select Pin: RENB
Select Pin: RENB
RX Transfer
Cell Size: 8 bit X 53, 54, 55 or 56
bytes
Cell Size: 16 bit X 27, 28 or 29
Cell Size: 8 bit X 53 or 55 bytes
Cell Size: 8 bit X 54 or 56 bytes
words
Enable Pin: RENB
Cell Size: 16 bit X 27 or 28 words
Cell Size: 16 bit X 28 or 29 words
Enable Pin: RENB
Enable Pin: RENB
Channel Address: Prepend or UDF Pause in Cell: w/ RENB
Channel Address: Prepend