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| 型号： | WI125 EVAL KIT |
| 厂商： | Connor-Winfield |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | GPS TIMING RECEIVER EVAL BOARD |
| 产品培训模块： | 125 Series GPS Based Timing and Synchronization Products |
| 标准包装： | 1 |
| 主要目的： | 计时，时钟发生器，同步器，GPS |
| 嵌入式： | 否 |
| 已用 IC / 零件： | WI125 |
| 主要属性： | 1PPS/ 10 MHz 相位校准功能 |
| 次要属性： | LED 状态指示器 |
| 已供物品： | 模块，板，天线，线缆，电源 |
| 其它名称： | CW681 W125 EVAL KIT |
Wi125 Data Sheet #:
SG170
Page 12 of 20
Rev:
04
Date:
11/29/11
Copyright 2011 The Connor-Winfield Corp. All Rights Reserved
Specifications subject to change without notice
4.5 I/O Signals
TX[0]
Type:I/O
Direction:Output
Pin:1
TheTransmitSignalforUART0.ThisisastandardUARToutputsignal.Thesignalreturn
pathisDIG_GND.
TX[1]
Type:I/O
Direction:Output
Pin:5
TheTransmitSignalforUART1.ThisisastandardUARToutputsignal.Thesignalreturn
pathisDIG_GND.
TX[2]
Type:I/O
Direction:Output
Pin:3
TheTransmitSignalforUART2.ThisisastandardUARToutputsignal.Thesignalreturn
pathisDIG_GND.
RX[0]
Type:I/O
Direction:Input
Pin:2
TheReceiveSignalforUART0.ThisisastandardUARTinputsignal.Thesignalreturn
pathisDIG_GND.
RX[1]
Type:I/O
Direction:Input
Pin:6
TheReceiveSignalforUART1.ThisisastandardUARTinputsignal.Thesignalreturn
pathisDIG_GND.
RX[2]/EV2_IN
Type:I/O
Direction:Input
Pin:4
ThisisaDualModeSignal.Normally,thisisthereceivesignalforUART2,astandard
UARTreceivesignal.Undersoftwarecontrol,itcanalsobeusedasgeneralpurposeI/O
ortodetectevents.Itcanbeusedtodetectthetimingoftheleadingedgeofthestartbit
oftheincomingdatastream.ThesignalreturnpathisDIG_GND.
FREQ_OUT
Type:I/O
Direction:Input/Output
Pin:32
OptionalFrequencyOutputSignal.ThisisNOTthesamesignalaspin39.Thissignalis
turnedoffbydefault.Thisisacomplexsignalwhichundersoftwarecanprovideanyof
eitheranNCOgeneratedoutputfrequency,aPWMsignal,aGPSalignedEPOCHpulse
orgeneralpurposeI/Osignal.ThesignalreturnpathisDIG_GND.
1PPS
Type:I/O
Direction:Input/Output
Pin:38
The1PulsePerSecondSignal.Thisisnormallya1pulsealignedwithGPStime,butcan
undersoftwarecontrolalsoprovidegeneralpurposeI/Ooranadditionaleventinput.The
pulsewidthofthe1PPSissoftwareselectablewithadefaultof100s.Thesignalreturn
pathisDIG_GND.
EVENT_IN
Type:I/O
Direction:Input/Output
Pin:37
TheEventInputSignalwithinternalconnectiontoPin39(GPIO[1]/TimeSync)allows
phasemeasurementoftheFrequencyOutput.ThesignalreturnpathisDIG_GND.
4 SIGNAL DESCRIPTION continued
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