参数资料
型号: PM73488-PI
厂商: PMC-SIERRA INC
元件分类: 数字传输电路
英文描述: 5 Gbit/s ATM Switch Fabric Element
中文描述: ATM SWITCHING CIRCUIT, PBGA596
封装: EPBGA-596
文件页数: 106/135页
文件大小: 1735K
代理商: PM73488-PI
PMC-Sierra, Inc.
PM73488 QSE
L
PMC-980616
Issue 3
5 Gbit/s ATMSwitch Fabric Element
Released
Datasheet
108
Format: Refer to the following table.
9.3.27
SWITCH_FABRIC_COLUMN
Address: 85
h
Type: Read/Write
Format: Refer to the following table.
Field (Bits)
Description
(7:0)
R
×
PG where:
R= the Row number in the switching fabric for this switch element. The
numbering of rows starts from 0.
PG = the Physical Gang of the QSE, which is defined as the number of output
ports that physically connect this QSE to a chip (QSE or QRT) in the next
stage. Note that PG can have a value of 1,2,4,8, or 16 if the next stage consists
of QSEs, and it can have a value of 1,2, or 4 if the next stage consists of
QRTs.
If the value (R x PG ) exceeds 8 bit, the upper bits (i.e. MSBs) should be
truncated, to leave the lower 8 bits in the SWITCH_FABRIC_ROW register.
Field (Bits)
Description
(7:0)
C + 16P where:
C = the Column number in the switching fabric for this switch element. The
numbering of columns starts from 0.
P = the plane number if there are multiple parallel switch planes. The
numbering of planes also starts from 0.
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