PM73121 Ver la hoja de datos (PDF) - PMC-Sierra

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PM73121

AAL1 Segmentation And Reassembly Processor

PMC-Sierra 

Data Sheet

PMC-980620

,VVXH 

PMC-Sierra, Inc.

PM73121 AAL1gator II

AAL1 SAR Processor

From Version

10/17/97

(first version of the

WAC-121-A

User’s Manual)

To Version

01/21/98

Major Changes

• Under section 2.8.3 “Peak Cell Rates and Partial Cells”, on

page 22, changed the formula for TCGTOAM.

• Under section 3.1.2 “Transmit Signaling Freezing”, on page 32,

added the Dallas Semiconductor part numbers DS2152 and

DS2154.

• Changed the signal name text in the parentheses in Figure 23 on

page 35.

• Added step 8 on page 25, step 9 on page 25, and step 10 on

page 25.

• Deleted the NOTE after step 10 on page 36 and added ten more

paragraphs.

• Added section 3.2.1 “Transmit CDV” starting on page 37.

• Under section 3.3.2.1 “Header Construction”, on page 39, revised

the fourth sentence.

• Under section 3.4 “Transmit UTOPIA Interface Block

(TUTOPIA)” starting on page 41, added the last two sentences to

the first paragraph on page 43.

• Under section 3.6 “Receive Adaptation Layer Processor (RALP)”

starting on page 46, changed the last sentence of the third

paragraph on page 47, added text to the second, sixth, and eight

bullets on page 50.

• Under section 3.6.2 “Underrun” starting on page 60, added text to

the third paragraph on page 60.

• Under section 3.6.3 “Pointer Processing”, on page 61, added to

text to the third paragraph.

• Under section 3.6.4 “Overrun” starting on page 62, added text to

the first and third paragraphs.

• Added step 6 to the NOTES in Figure 47 on page 64.

• Under section 3.6.5 “Counters and Sticky Bits”, on page 65,

revised the first paragraph.

• Under section 3.7 “Receive Frame Transfer Controller (RFTC)”

starting on page 65.

• Under section 3.7.1 “SRTS for the Receive Side” starting on

page 66, revised the first and second paragraphs on page 69.

• In the headings of the first columns in Table 3 on page 72 and in

Table 4 on page 72, changed “SRTS_PORT(3:0)” to

“SRTS_LINE(3:0)”.

• Under section 3.8 “Memory Interface and Arbitration Controller

(MIAC)” starting on page 74, added the last sentence to the third

paragraph.

• Added section 3.9 “Configuration”, on page 75.

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