參數(shù)資料
型號(hào)： SYM53C825A
廠商： LSI Corporation
英文描述： PCI-SCSI I/O Processor(PCI-SCSI I/O接口處理器)
中文描述： 的PCI -的SCSI I / O處理器（個(gè)PCI -的SCSI的I / O接口處理器）
文件頁(yè)數(shù)： 132/225頁(yè)
文件大?。?/td> 1237K
代理商： SYM53C825A
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)第120頁(yè)第121頁(yè)第122頁(yè)第123頁(yè)第124頁(yè)第125頁(yè)第126頁(yè)第127頁(yè)第128頁(yè)第129頁(yè)第130頁(yè)第131頁(yè)當(dāng)前第132頁(yè)第133頁(yè)第134頁(yè)第135頁(yè)第136頁(yè)第137頁(yè)第138頁(yè)第139頁(yè)第140頁(yè)第141頁(yè)第142頁(yè)第143頁(yè)第144頁(yè)第145頁(yè)第146頁(yè)第147頁(yè)第148頁(yè)第149頁(yè)第150頁(yè)第151頁(yè)第152頁(yè)第153頁(yè)第154頁(yè)第155頁(yè)第156頁(yè)第157頁(yè)第158頁(yè)第159頁(yè)第160頁(yè)第161頁(yè)第162頁(yè)第163頁(yè)第164頁(yè)第165頁(yè)第166頁(yè)第167頁(yè)第168頁(yè)第169頁(yè)第170頁(yè)第171頁(yè)第172頁(yè)第173頁(yè)第174頁(yè)第175頁(yè)第176頁(yè)第177頁(yè)第178頁(yè)第179頁(yè)第180頁(yè)第181頁(yè)第182頁(yè)第183頁(yè)第184頁(yè)第185頁(yè)第186頁(yè)第187頁(yè)第188頁(yè)第189頁(yè)第190頁(yè)第191頁(yè)第192頁(yè)第193頁(yè)第194頁(yè)第195頁(yè)第196頁(yè)第197頁(yè)第198頁(yè)第199頁(yè)第200頁(yè)第201頁(yè)第202頁(yè)第203頁(yè)第204頁(yè)第205頁(yè)第206頁(yè)第207頁(yè)第208頁(yè)第209頁(yè)第210頁(yè)第211頁(yè)第212頁(yè)第213頁(yè)第214頁(yè)第215頁(yè)第216頁(yè)第217頁(yè)第218頁(yè)第219頁(yè)第220頁(yè)第221頁(yè)第222頁(yè)第223頁(yè)第224頁(yè)第225頁(yè)
Instruction Set of the I/O Processor
Block Move Instructions
6-4
SYM53C825A/825AE Data Manual
Block Move Instructions
For Block Move instructions, bits 5 and 4 (SIOM
and DIOM) in the DMODE register determine
whether the source/destination address resides in
memory or I/O space. When data is being moved
onto the SCSI bus, SIOM controls whether that
data comes from I/O or memory space. When data
is being moved off of the SCSI bus, DIOM con-
trols whether that data goes to I/O or memory
space.
First Dword
Bits 31-30 Instruction Type-Block Move
Bit 29
Indirect Addressing
When this bit is cleared, user data is moved to
or from the 32-bit data start address for the
Block Move instruction. T he value is loaded
into the chip’s address register and incre-
mented as data is transferred. T he address of
the data to be moved is in the second dword of
this instruction.
When set, the 32-bit user data start address for
the Block Move is the address of a pointer to
the actual data buffer address. T he value at the
32-bit start address is loaded into the chip’s
DNAD register via a third longword fetch (4-
byte transfer across the host computer bus).
Direct
T he byte count and absolute address are as
follows.
Indirect
Use the fetched byte count, but fetch the data
address from the address in the instruction.
Once the data pointer address is loaded, it is
executed as when the chip operates in the
direct mode. T his indirect feature allows a
table of data buffer addresses to be specified.
Using the NCR SCSI SCRIPT S compiler, the
table offset is placed in the script at compile
time. T hen at the actual data transfer time, the
offsets are added to the base address of the
data address table by the external processor.
T he logical I/O driver builds a structure of
addresses for an I/O rather than treating each
address individually. T his feature makes it pos-
sible to locate SCSI SCRIPT S in a PROM.
Note: Indirect and table indirect addressing
cannot be used simultaneously; only one
addressing method may be used at a time.
Bit 28
Table Indirect
When this bit is set, the 24-bit signed value in
the start address of the move is treated as a rel-
ative displacement from the value in the DSA
register. Both the transfer count and the
source/destination address are fetched from
this address.
Use the signed integer offset in bits 23-0 of the
second four bytes of the instruction, added to
the value in the DSA register, to fetch first the
byte count and then the data address. T he
signed value is combined with the data struc-
ture base address to generate the physical
address used to fetch values from the data
structure. Sign-extended values of all ones for
negative values are allowed, but bits 31-24 are
ignored.
Note: Indirect and table indirect addressing
cannot be used simultaneously; only one
addressing method may be used at a time.
Command
Byte Count
Address of Data
Command
Byte Count
Address of Pointer to Data
Command
Not Used
Don’t Care
Table Offset
相關(guān)PDF資料
PDF描述
SYM53C825AE PCI-SCSI I/O Processor(PCI-SCSI I/O接口處理器)
SYM53C860 Single-Chip High-Performance PCI-Ultra SCSI (Fast-20) I/O Processor(單片、高性能PCI-超級(jí)SCSI (Fast-20) I/O 處理器)
SYM53C875 PCI-Ultra SCSI I/O Processor(PCI-Ultra SCSI I/O處理器)
SYM53C875E PCI-Ultra SCSI I/O Processor(PCI-Ultra SCSI I/O 處理器)
SYM53C876E PCI-Dual Channel SCSI Multi-function Controller(PCI-雙通道SCSI多功能控制器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
SYM53C896 制造商:未知廠家 制造商全稱:未知廠家 功能描述:BUS CONTROLLER
SYM-63LH+ 制造商:MINI 制造商全稱:Mini-Circuits 功能描述:Frequency Mixer
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*