參數(shù)資料
型號: PM73488
廠商: PMC-SIERRA INC
元件分類: 數(shù)字傳輸電路
英文描述: 5 Gbit/s ATM Switch Fabric Element
中文描述: ATM SWITCHING CIRCUIT, PBGA596
封裝: EPBGA-596
文件頁數(shù): 108/135頁
文件大?。?/td> 1735K
代理商: PM73488
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
110
9.3.31
GANG_DEAD_ACK_PAYLOAD
Address: 89
h
Type: Read/Write
Format: Refer to the following table.
9.3.32
EXTENDED_SWITCH_MODE
Address: 8A
h
Type: Read
Format: Refer to the following table.
CONGESTION_NACK
(3:0)
ACK Payload for cells dropped due to congestion.
Reset to 4
h
(Default is MNACK).
Field (Bits)
Description
Not used
(7:4)
Write with a 0 to maintain future software compatibility.
GANG_DEAD_NACK
(3:0)
ACK Payload for cells dropped when an entire gang is disabled. A gang is
defined as a set of consecutive outputs that is treated as a single output by the
switch for unicast traffic (see
“UNICAST_AGGREGATE_OUTPUT_MODE” on page 106 ).
This field resets to C
h
(which is interpreted by the QRT as an ACK).
Field (Bits)
Description
LATCHED_CELL_START_OUT_
OF_LOCK
(0)
Cleared on read. Set anytime cstart goes out of lock.
Field (Bits)
Description
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