參數(shù)資料
型號(hào)： IMSC011-W20S
廠商： 意法半導(dǎo)體
英文描述： Link adaptor
中文描述： 鏈路適配器
文件頁(yè)數(shù)： 3/30頁(yè)
文件大?。?/td> 239K
代理商： IMSC011-W20S
/ 30
3
1
Introduction
The INMOScommunicationlinkisa highspeedsystem interconnectwhich providesfull duplexcommuni-
cation between members of the transputer family, according to the INMOS serial link protocol. The
IMS C011, a member of this family, provides for full duplex transputer link communication with standard
microprocessor and sub-system architectures, by converting bi-directional serial link data into parallel
data streams.
Alltransputerproductswhichusecommunicationlinks,regardlessofdevicetype,supportastandardcom-
munications frequency of 10 Mbits/sec; most products also support 20 Mbits/sec. Products of different
typeorperformancecan,therefore,beinterconnecteddirectlyandfuturesystemswillbeabletocommuni-
cate directly with those of today. The IMS C011link will run at either the standard speedof 10 Mbits/sec
or at thehigher speed of 20 Mbits/sec.Data reception is asynchronous,allowing communication to be in-
dependent of clock phase.
The link adaptor can be operated in one of two modes. In Mode 1 the IMS C011 converts between a link
and two independent fully handshaken byte-wideinterfaces, one input and one output.It can be used by
a peripheral device to communicate with a transputer,a peripheral processor or another link adaptor, or
it can provide programmable input and output pins for a transputer. Two IMS C011 devices in this mode
can be connected back to back via theparallel ports and used as a frequency changer between different
speed links.
In Mode 2 theIMS C011providesan interfacebetweenanINMOSseriallinkandamicroprocessorsystem
bus. Status and data registers for both input and output ports can be accessed across the byte-wide
bi-directional interface. Two interrupt outputs are provided, one to indicate input data available and one
for output buffer empty.
Input
Interface
Output
Interface
System
Services
Link
8
8
Q0–7
Qack
QValid
I0–7
IAck
IValid
VDD
GND
CapMinus
ClockIn
Reset
SeparateIQ
LinkOut
LinkIn
Figure 1.1
IMS C011 Mode 1 block diagram
Interrupt
Control
Data and
Status
Registers
System
Services
Link
8
D0–7
InputInt
OutputInt
VDD
GND
CapMinus
ClockIn
Reset
SeparateIQ
LinkSpeed
LinkOut
LinkIn
Register
Select
RS0
RS1
RnotW
notCS
Figure 1.2
IMS C011 Mode 2 block diagram
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