參數(shù)資料
型號: STP2202ABGA
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PBGA320
封裝: BGA-320
文件頁數(shù): 12/106頁
文件大?。?/td> 519K
代理商: STP2202ABGA
13
Dual Processor System Controller
DSC
STP2202ABGA
June 1998
Sun Microsystems, Inc
Total Pin Count
UPA BUS TIMING
All UPA transactions supported by DSC are described in Chapter 5 of the DSC User’s Manual. The following
diagrams show the timings of those transactions. The transactions can be divided into two groups: Non-
cached transactions and Coherent transactions.
Noncached transactions include:
Interrupt from P0
Noncached Block Read, P1 to U2S
Non Cached Block Read, P0 to P1
Non Cached Block Read, P1 to FFB
Noncached Block Read, U2S to P0
Noncached Block Write, from P0
Noncached Read, P0 to U2S
Noncached Write, from P0.
Coherent transactions include:
Read to Discard, from U2S
Read to Discard, with Copy Back to Discard, from P0
Read to Own, with Copy Back Invalidate, from P0, P1
Read to Own, with Copy Back Invalidate, from U2S
Signal Group
Total Signals
UPA Port Interfaces
115
Dual Tag Interface
34
Memory Interface
46
BMX Interface
12
EBus Interface
14
Miscellaneous
19
Total SC Signals
240
Power & Gnd
76
Spares
4
SC Total
320
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