參數(shù)資料
型號(hào)： WI125 EVAL KIT
廠商： Connor-Winfield
文件頁數(shù)： 5/18頁
文件大?。?/td> 0K
描述： GPS TIMING RECEIVER EVAL BOARD
產(chǎn)品培訓(xùn)模塊： 125 Series GPS Based Timing and Synchronization Products
標(biāo)準(zhǔn)包裝： 1
主要目的： 計(jì)時(shí)，時(shí)鐘發(fā)生器，同步器，GPS
嵌入式： 否
已用 IC / 零件： WI125
主要屬性： 1PPS/ 10 MHz 相位校準(zhǔn)功能
次要屬性： LED 狀態(tài)指示器
已供物品： 模塊，板，天線，線纜，電源
其它名稱： CW681
W125 EVAL KIT
Wi125 Data Sheet #:
SG170
Page 13 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 cont’d
N2WCK
Type:I/O
Direction:Input/Output
Pin:28
TheNavSync2WireClockSignal.ThisistheopencollectorI2CcompatibleClockSignal
forthe2wireserialinterface.ThesignalreturnpathisDIG_GND.
N2WDA
Type:I/O
Direction:Input/Output
Pin:29
TheNavSync2WireDataSignal.ThisistheopencollectorI2CcompatibleDataSignal
forthe2wireserialinterface.ThesignalreturnpathisDIG_GND.
USBP4
Type:I/O
Direction:Input/Output
Pin:30
ThepositiveUSBSignal.ThesignalreturnpathisDIG_GND.
USBN4
Type:I/O
Direction:Input/Output
Pin:31
ThenegativeUSBSignal.ThesignalreturnpathisDIG_GND.
LED_RED
Type:I/O
Direction:Output
Pin:8
ThisisaDualFunctionSignal.NormallythissignalisusedtodrivearedLED.Standard
softwarebuildsusethissignaltoindicateGPSstatus.Inspecialsoftwarebuilds,thissig-
nalcanbeusedasGPIO.Thissignalhasa3.3VCMOSdrive.Aserieslimitingresistoris
requiredtolimitoutputcurrentto±5mA.ThesignalreturnpathisDIG_GND.
LED_GRN
Type:I/O
Direction:Output
Pin:9
ThisisaDualFunctionSignal.NormallythissignalisusedtodriveagreenLED.Stan-
dardsoftwarebuildsusethissignaltoindicateGPSstatus.Inspecialsoftwarebuilds,this
signalcanbeusedasGPIO.Thissignalhasa3.3VCMOSdrive.Aserieslimitingresistor
isrequiredtolimitoutputcurrentto±5mA.ThesignalreturnpathisDIG_GND.
GPIO[0]/PWM
Type:I/O
Direction:Input/Output
Pin:39
NormallytheGPIO[0]/PWMoutputprovidesaFrequencyOutputthatdefaultsto10MHz,
andisuserconfigurablefrom10Hzto30MHzsignal.Theoutputisenabledonpower-up
andissteeredbytheGPSsolution.Customsoftwareversionscanalsoconfigurethispin
forgeneralI/O,PWMorEPOCHoutput.ThesignalreturnpathisDIG_GND.
GPIO[1]/TIME_SYNC Type:I/ODirection:Input/Output
Pin:40
TheGPIO[1]/TIME_SYNCpinprovidesasynchronizationpulsegeneratedbytheon-
boardRTC.CustomsoftwareversionscanalsoconfigurethispinforgeneralpurposeI/O,
oranadditionalPPSoutput.ThesignalreturnpathisDIG_GND.
Note: 4. USB is not supported in the current software build.
4 SIGNAL DESCRIPTION continued
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