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): 19/106頁
文件大?。?/td> 519K
代理商: STP2202ABGA
2
STP2202ABGA
Dual Processor System Controller
DSC
June 1998
Sun Microsystems, Inc
RELATED PRODUCTS
FUNCTIONAL DESCRIPTION
System
The system units (see Typical System Conguration) typically interface with the DSC as follows:
UltraSPARC Modules (STP5110)
The processors are essentially isolated from the rest of the system except system memory, and communicate
with the DSC through their ports on UPA Address Bus 0. The major functions the DSC provides for the pro-
cessors are Port control, System Memory Path control, and issuance of necessary resets. Using the Snoop Bus,
the DSC monitors a duplicate set of the UPA Address Bus 0 Port tags, and maintains order during coherent
operations.
U2S (STP2220)
The U2S interfaces with the DSC through the I/O Data Bus and the UPA Address Bus 1. It is treated just like
another client, and has no other special communication with the DSC.
FEPS (STP2002)
FEPS is Fast Ethernet Parallel port SCSI. It provides the following I/O devices: 10/100 Mb/sec Ethernet, 20
Mb/sec Fast SCSI and a standard parallel port.
SlavIO (STP2001)
SlavIO provides most of the SUNness I/O requirements. It contains serial ports, oppy, keyboard/mouse and
EBus control. Since the DSC contains no data path, the 8-bit EBus, controlled by the SlavIO chip, is used by the
processor(s) to read/write internal registers of the DSC.
Name
Description
STP Part No.
APC
Audio Controller
STP2024QFP
CPU Module
UltraSPARC Module
STP5110
DTAG
Dual Tag Synchronous SRAM
N/A
Ecache
2nd Level High Speed Data and Tag Cache
N/A
FEPS
High Performance Master System I/O Controller
STP2002QFP
RIC
Reset/Interrupt/Clock Controller
STP2210QFP
SlavIO
Slave System I/O Controller
STP2001QFP
UDB
UltraSPARC-I Data Buffer
STP1080BGA
UltraSPARC-I
High Performance 64-Bit RISC Processor
STP1030BGA
U2S
UPA-to-SBus Interface
STP2220BGA
XB1
Crossbar Switch
STP2230SOP
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