PM5381-BI PMC-Sierra, Inc., PM5381-BI Datasheet - Page 291

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PM5381-BI

Manufacturer Part Number
PM5381-BI
Description
ATM UNI, Single Channel ATM PHY Interface for 2488.32Mbps
Manufacturer
PMC-Sierra, Inc.
Datasheet

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Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
Document ID: PMC-2000489, Issue 4
Indirect Register 01H: THPP Source and Pointer Control Register
IBER
SRCJ1, SRCC2, SRCH4, SRCG1, SRCF2, SRCZ3, SRCZ4, SRCZ5
Bit
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
When the IBER register bit is set to logic one, the G1 byte is generated by the SIRP block.
The THPP overwrites the LSB of the pass-through G1 with a zero logic value. When IBER is
set to logic zero, the G1 byte can be modified by one of the THPP POH sources.
This bit is only valid for THPP STS-1/STM0 #1.
The SRCnn bits are used to determine the source for the path overhead bytes. For example,
when a logic 1 is written to SRCJ1, the J1 byte inserted can be found in the THPP Transmit
C2 and J1 register. When a logic 0 is written to SRCJ1, the J1 byte source can be either the
TPOH input or the TTTP PATH, depending on the value of the PTBJ1 register bit found in
this register.
These bits are only valid for THPP STS-1/STM0 #1.
R/W
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Function
UNEQV
UNEQ
H4MASK
B3MASK
ENG1REC
ENH4MASK
PTBJ1
SRCZ5
SRCZ4
SRCZ3
SRCF2
SRCG1
SRCH4
SRCC2
SRCJ1
IBER
Default
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
S/UNI-2488 Telecom Standard Product Datasheet
Released
291

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