PM73121 データシートの表示（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

04/17/98

To Version

Issue 1

01/21/98

04/17/98

Major Changes

• Changed from WAC-121-A to PM73121.

• Changed from User’s Manual to Long Form Data Sheet.

• Deleted references to the BT_Mode and default mode.

• Added PMC part numbers to Figure 5 on page 11, Figure 6 on

page 12, Figure 7 on page 13, and Figure 86 on page 168.

• Under the “R_LINE_STATE Word Format” section on page 156,

added “Not used in UDF-HS mode.” for the R_UNDERRUN and

R_RESUME field descriptions.

• Under section 7.11 “Activating a New Queue on an Active Line”,

on page 167, changed from “CMD_REG_ATTN” to

“CSD_REG_ATTN bit”.

• Changed references from SRTS_PORT to SRTS_LINE

throughout the manual.

• Added the sixth bullet on page 6.

• Under “Potential System Impacts” on page 7, added “Hardware

Considerations”.

• Deleted the first paragraph on page 65.

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

page 66 with section 3.7.1 “Generation of TL_CLK” starting on

page 68.

• Added section 3.7.1.1 “Recovered Mode” starting on page 69,

section 3.7.1.2 “Synthesize a Nominal E1 or T1 Clock” starting on

page 69, and section 3.7.1.3 “Synthesize an E1 or T1 Clock based

on SRTS” starting on page 70.

• In Table 9 on page 88, changed the last sentence of the

“SYS_CLK” description to read “The maximum frequency is

40 MHz.

• In Table 10 on page 89, added the note to the description of “/

SCAN_TRST” on page 89.

• Under section 6.5 “RAM and Microprocessor Timing” starting on

page 104, changed the first sentence of the third paragraph from

“running at 38.88 MHz” to “running near maximum speed”.

• The first sentence of the fourth paragraph changed from

“(38.88 MHz)” to “(40.00 MHz)”.

• In Figure 69 on page 105, changed SYS_CLK from “38.88 MHz”

to “40.00 MHz”.

• In Table 21 on page 105, changed the maximum value of Number

12 from “8” to “7”.

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