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): 96/106頁
文件大?。?/td> 519K
代理商: STP2202ABGA
9
Dual Processor System Controller
DSC
STP2202ABGA
June 1998
Sun Microsystems, Inc
UPA Interface Signals
Signal Name
Pin
Count
I/O
Buffer Type
Description
UPA_ADDRBUS0<34:0>
35
I/O
Holding amp.
Address bus 0, 2 processors and the U2S
UPA_ADDRBUS1<28:0>
29
O
Address bus 1, UPA64S (FFB), slave only
UPA_ADDRPAR0
1
I/O
Holding amp.
Parity (bit 35) for address bus 0
UPA_ADDRVAL0[2:0]
3
I/O
Holding amp.
[0] = processor 0, [1] = processor 1,
[2] = U2S
UPA_ADDRVAL1
1
O
Address valid for UPA64S
UPA_DATASTALL0
1
O
Stall data to processors
UPA_DATASTALL1
1
O
Stall data to U2S
UPA_ECCVALID0
1
O
ECC valid for processors
UPA_ECCVALID1
1
O
ECC valid for U2S
UPA_PREPLY0<4:0>
5
I
Port replies from processor 0
UPA_PREPLY1<4:0>
5
I
Port replies from processor 1
UPA_PREPLY2<4:0>
5
I
Port replies from U2S
UPA_PREPLY3<1:0>
2
I
Port replies from UPA64S
UPA_REQIN0<2:0>
3
I
Client address bus 0 arbitration requests: [0] =
processor 0, [1] = processor 1, [2] = U2S
UPA_RESET0_L
1
O
Reset for processors, tied to U2S’s
UPA_ARBRESET_L
UPA_RESET1_L
1
O
Reset for U2S and FFB
UPA_SCREQ0
1
O
DSC request for address bus 0
UPA_SREPLY0<4:0>
5
O
System replies for processor 0
UPA_SREPLY1<4:0>
5
O
System replies for processor 1
UPA_SREPLY2<4:0>
5
O
System replies for U2S
UPA_SREPLY3<2:0>
3
O
System replies for UPA64S
UPA_XIR_L
1
O
XIR reset for processor(s). Only processor(s)
are disrupted.
Total UPA Outputs:
95
Total UPA Port Interface
signals:
115
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