參數(shù)資料
型號： AL440B-12
廠商： Electronic Theatre Controls, Inc.
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:56; Series:MS27497; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:24; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:24-4 RoHS Compliant: No
中文描述： 4Mbits（為512k × 8位）FIFO存儲器
文件頁數(shù)： 9/33頁
文件大?。?/td> 672K
代理商： AL440B-12
AL440B
AL440B
November 28, 2001
9
12h
13h
RYSIZE_H
RWCTRL
R/W Window read vertical size (High byte)
R/W Window read control register
[7]: enable window read function
9.0 Multiple Devices Bus Expansion and Cascading
The AL440B FIFO memory can be applied to very wide range of media applications. A parallel
connect or cascade of multiple AL440B FIFOs provides FIFO bus width or memory depth expansion
for some applications; eg. accommodating HDTV resolution.. etc.
Write Reset
AL440B Expanding & Cascading
8-bit Output
DI[7:0]
AL440
IRDY
WE
WCK
DO[7:0]
ORDY
RE
RCK
DI[7:0]
AL440
IRDY
WE
WCK
DO[7:0]
ORDY
RE
RCK
8-bit Output
DI[7:0]
AL440
IRDY
WE
WCK
DO[7:0]
ORDY
RE
RCK
DI[7:0]
AL440
IRDY
WE
WCK
DO[7:0]
ORDY
RE
RCK
FIFO Empty
Write Enable
Write Clock
FIFO Empty
FIFO Full
Read Enable
Read Clock
FIFO Full
(1) Logic Block: "OR" Gate if /PLTY = HIGH, "AND" Gate if /PLTY = HIGH
(2) Always Enabled : Tie to LOW if /PLTY = HIGH, Tie to High if /PLTY = LOW
(1)
(1)
(1)
(1)
RRST
WRST
RRST
RRST
RRST
WRST
WRST
WRST
Read Reset
8-bit Output
8-bit Input
IE
OE
Input Enable
IE
IE
IE
OE
OE
OE
8-bit Input
Output Enable
8-bit Output
(2)
(2)
(2)
(2)
10.0 Serial Bus Interface
The serial bus interface consists of the SCL (serial clock), SDA (serial data) and /SDAEN (serial
interface enable) signals. There are pull up circuit internally for both SCL and SDA pins. When
/SDAEN is high, the serial bus interface is disabled and both SCL and SDA pins are pulled high.
When /SDAEN is low, the serial bus interface is enabled and data can be written into or read from the
AL440B register set. For both read and write, each byte is transferred MSB first and LSB last, and
the SDA data bit is valid when the SCL is pulled high. The serial bus control sample C code is
available in Averlogic Technologies, Inc. upon request.
The read/write command format is as follows:
Write
: <S> <Write SA> <A> <Register Index> <A> <Data> <A> <P>
相關PDF資料
PDF描述
ALC202 Circular Connector; No. of Contacts:100; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:22-35 RoHS Compliant: No
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相關代理商/技術參數(shù)
參數(shù)描述
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