參數(shù)資料
型號(hào): SYM53C180
廠商: LSI Corporation
英文描述: Ultra3 SCSI Bus Expander(Ultra2 SCSI總線擴(kuò)展器)
中文描述: 個(gè)Ultra3 SCSI總線擴(kuò)展(Ultra2的SCSI總線擴(kuò)展器)
文件頁(yè)數(shù): 20/78頁(yè)
文件大?。?/td> 1073K
代理商: SYM53C180
2-2
Functional Descriptions
Figure 2.1
SYM53C180 Block Diagram
In its simplest form, the SYM53C180 passes data and parity from a
source bus to a load bus. The side asserting, deasserting or releasing
the SCSI signals is the source side. The model of the SYM53C180
represents pieces of wire that allow corresponding SCSI signals to flow
from one side to the other side. The SYM53C180 monitors arbitration
and selection by devices on the bus so it can enable the proper drivers
to pass the signals along. In addition, the SYM53C180 does signal
retiming to maintain the signal skew budget from the source bus to the
load bus.
2.1.1 SCSI A Side and B Side Control Blocks
The SCSI A Side pins are connected internally to the corresponding
SCSI B Side pins, forming bidirectional connections to the SCSI bus.
In the LVD/LVD mode, the SCSI A Side and B Side control blocks
connect to both targets and initiators and accept any asynchronous or
synchronous data transfer rates up to the 160 Mbytes/s rate of Wide
Ultra3 SCSI. TolerANT
and LVD Link technologies are part of both the
A Side and B Side control blocks.
Retiming
Logic
Precision
Delay
Control
State
Machine
Control
L
D
R
L
D
R
S
S
L
L
Control
Signals
LVD, Single-ended,
Wide Ultra SCSI Bus
(A Side)
LVD, Single-ended
Wide Ultra SCSI Bus
(B Side)
A_DIFFSENS
B_DIFFSENS
40 MHz Clock Input
相關(guān)PDF資料
PDF描述
SYM53C710 32-Bit SCSI I/O Processor(32位SCSI I/O處理器)
SYM53C770 SCSI I/O Processor With Ultra SCSI(帶超級(jí)SCSI的SCSI I/O處理器)
SYM53C810A PCI-SCSI I/O Processor(PCI-SCSI I/O接口處理器)
SYM53C825A PCI-SCSI I/O Processor(PCI-SCSI I/O接口處理器)
SYM53C825AE PCI-SCSI I/O Processor(PCI-SCSI I/O接口處理器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SYM53C400A 制造商:SYMBIOS 功能描述:
SYM53C770 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller
SYM53C876E(PBGA) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller
SYM53C876E(PQFP) 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SCSI Bus Interface/Controller
SYM53C885 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC