PM5380-BI PMC-Sierra, Inc., PM5380-BI Datasheet - Page 49
PM5380-BI
Manufacturer Part Number
PM5380-BI
Description
Network Interface, SATURN User Network Interface (8x155) Telecom Standard Product
Manufacturer
PMC-Sierra, Inc.
Datasheet
1.PM5380-BI.pdf
(440 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC- 2010299, Issue 2
Pin Name
TSOC
TSOP
TEOP
TERR
Type
Input
Input
Input
Pin
No.
M30
M31
M28
S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
The POS-PHY transmit end of packet (TEOP) marks the end
The POS-PHY transmit error (TERR) is used to indicate that
Function
The POS-PHY transmit write enable (TENB) signal is an
active low input which is used to initiate writes to the transmit
FIFO’s.
When TENB is sampled high, the information sampled on
TDAT[31:0], TPRTY, TSOP, TEOP, TMOD[1:0] and TERR is
invalid. When TENB is sampled low, the information
sampled on TDAT[31:0], TPRTY, TSOP, TEOP, TMOD[1:0]
and TERR is valid and is written into the FIFO. TSX is
ignored when TENB is low.
TENB is sampled on the rising edge of TFCLK.
The UTOPIA transmit start of cell (TSOC) signal marks the
start of a cell structure on the TDAT[31:0] bus.
When TSOC is sampled high, the first word of the ATM cell
structure is sampled on the TDAT[31:0] bus. TSOC should
be present for each cell structure.
TSOC is considered valid only when TENB is simultaneously
asserted. TSOC is sampled on the rising edge of TFCLK.
The POS-PHY transmit start of packet (TSOP) signal.
indicates the start of a packet on the TDAT[31:0] bus.
When TSOP is sampled high, the first word of the packet is
sampled on TDAT[31:0] bus. TSOP is required to be present
at all instances for proper operation.
TSOP is considered valid only when TENB is simultaneously
asserted. TSOP is sampled on the rising edge of TFCLK.
of packet on the TDAT[31:0] bus when configured for packet
data.
TEOP sampled high indicates the last word of the packet is
sampled on the TDAT[31:0] bus. The TMOD[1:0] bus
indicates how many valid bytes of packet data are in the last
word. It is legal to set TSOC_TSOP high at the same time as
TEOP is high in order to support one, two, three and four
byte packets.
TEOP is only valid when TENB is simultaneously asserted.
TEOP is only used for POS-PHY operation and is sampled
on the rising edge of TFCLK.
the current packet must be aborted. Packets marked with
TERR will be appended the HDLC abort sequence (0x7D-
0x7E) when transmitted.
TERR sampled high when TEOP is sampled high marks the
current packet to be aborted. TERR is only considered valid
when TENB and TEOP are simultaneously asserted.
TERR is only used for POS-PHY operation and is sampled
on the rising edge of TFCLK.
Released
49
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