參數(shù)資料
型號(hào): 101-0602
廠商: Rabbit Semiconductor
文件頁(yè)數(shù): 100/106頁(yè)
文件大?。?/td> 0K
描述: COMPUTER SNGL BRD BL2500 44.2MHZ
標(biāo)準(zhǔn)包裝: 10
系列: SBC
模塊/板類型: 單板計(jì)算機(jī)模塊
適用于相關(guān)產(chǎn)品: BL2500
User’s Manual
87
D.2 Physical Implementation
There are four signaling functions associated with a RabbitNet connection. From the mas-
ter’s point of view, the transmit function carries information and commands to the periph-
eral card. The receive function is used to read back information sent to the master by the
peripheral card. A clock is used to synchronize data going between the two devices at high
speed. The master is the source of this clock. A slave select (SS) function originates at the
master, and when detected by a peripheral card causes it to become selected and respond
to commands received from the master.
The signals themselves are differential RS-422, which are series-terminated at the source.
With this type of termination, the maximum frequency is limited by the round-trip delay
time of the cable. Although a peripheral card could theoretically be up to 45 m (150 ft)
from the master for a data rate of 1 MHz, Rabbit recommends a practical limit of 10 m
(33 ft).
Connections between peripheral cards and masters are done using standard 8-conductor
Ethernet cables. Masters and peripheral cards are equipped with RJ-45 8-pin female con-
nectors. The cables may be swapped end for end without affecting functionality.
D.2.1 Control and Routing
Control starts at the master when the master asserts the slave select signal (SS). Then it
simultaneously sends a serial command and clock. The first byte of a command contains
the address of the peripheral card if more than one peripheral card is connected.
A peripheral card assumes it is selected as soon as it receives the select signal. For direct
master-to-peripheral-card connections, this is as soon as the master asserts the select sig-
nal. The connection is established once the select signal reaches the addressed slave. At
this point communication between the master and the selected peripheral card is estab-
lished, and data can flow in both directions simultaneously. The connection is maintained
so long as the master asserts the select signal.
相關(guān)PDF資料
PDF描述
101-0673 MODULE RABBITCORE RCM3610
101-0814 COMPUTER SNG BD BL1810 512K SRAM
101-1007 MODULE POWERCORE FLEX 3810
101-1028 MODULE RABBITCORE RCM3750
101-1087 MODULE RABBITCORE RCM 3365
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
10106020-1 制造商:Amphenol Corporation 功能描述:10-305770-028 - Bulk
10106020-2 制造商:Amphenol Corporation 功能描述:10106020-2 - Bulk
10106029-001LF 功能描述:電源到板 15DC+16S Right Angle HCI Header RoHS:否 制造商:TE Connectivity / AMP 系列:5787444 產(chǎn)品類型:Connectors 觸點(diǎn)類型: 電壓額定值:50 V 電流額定值: 節(jié)距: 位置/觸點(diǎn)數(shù)量:5 安裝風(fēng)格:Through Hole 端接類型: 觸點(diǎn)電鍍:Tin
10106031-001LF 功能描述:電源到板 15DC+16S Right Angle HCI Receptacle RoHS:否 制造商:TE Connectivity / AMP 系列:5787444 產(chǎn)品類型:Connectors 觸點(diǎn)類型: 電壓額定值:50 V 電流額定值: 節(jié)距: 位置/觸點(diǎn)數(shù)量:5 安裝風(fēng)格:Through Hole 端接類型: 觸點(diǎn)電鍍:Tin
10106033-10013TLF 功能描述:PCI Express / PCI 連接器 RoHS:否 制造商:JAE Electronics 系列:MM60 產(chǎn)品類型:PCI Express 位置/觸點(diǎn)數(shù)量:52 安裝角:Right 安裝風(fēng)格:SMD/SMT 端接類型:Solder Pad 外殼材料:Plastic 觸點(diǎn)材料:Copper Alloy 觸點(diǎn)電鍍:Gold