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參數(shù)資料
| 型號： | WI125 |
| 廠商： | Connor-Winfield |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC GPS TIMING RECEIVER-OEM SMT |
| 產(chǎn)品培訓(xùn)模塊： | 125 Series GPS Based Timing and Synchronization Products |
| 特色產(chǎn)品： | Wi125 GPS Timing Receiver |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 定時模塊，系統(tǒng)時鐘 |
| PLL： | 無 |
| 主要目的： | GPS，WiMax |
| 輸入： | 時鐘 |
| 輸出： | 時鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:2 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 10MHz |
| 電源電壓： | 1.65 V ~ 3.6 V |
| 工作溫度： | -30°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 42-QFN |
| 包裝： | 散裝 |
| 其它名稱： | CW680 W125 |
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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