參數(shù)資料
型號: PM2329
英文描述: Telecommunication IC
中文描述: 通信集成電路
文件頁數(shù): 25/162頁
文件大?。?/td> 1581K
代理商: PM2329
Proprietary and Confidential to PMC-Sierra, Inc and for its Customers
Internal Use
Document ID: PMC-2010146, Issue 4
28
PM2329 ClassiPI Network Classification Processor Datasheet
PSCC
G25
1
I
Packet Source Current Cycle
The PS asserts this signal to indicate to the PM2329
that the current bus cycle is packet data download.
This signal is typically connected to the DMA
Acknowledge pin of a DMA controller. When this signal
is asserted, the other System control lines SA[15:3]
and SCE* are ignored.
This signal is used in DMA mode only and should be
tied low otherwise.
Packet Source Packet Buffer Available
PSPBA
H24
1
O
This signal when asserted indicates to the PS that at
least one Packet Buffer is currently available to receive
packet data. This signal is typically connected to the
DMA Request pin of the DMA device.
System Channel Number
SCHNUM[4:0]
E25
F24
G24
F25
F26
G23
5
O
In multi-channel mode, when the SCHSTB signal is
active, these signals indicate the channel number for
which the result is available.
System Channel Strobe
SCHSTB
1
O
This signal is asserted for one SCLK cycle when a
result for a packet becomes available. If multiple results
are generated for a packet, then this signal is asserted
every time a result becomes available.
Table 2
System Interface Signals
Signal Name
Ball #
Size
I/O
Description
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