【应用】车规级时钟发生器SI5332D-D-AM1可用于汽车网关，支持PCIe Gen1/2/3/4/5标准

时间： 2020-12-22 来源：世强

技术问答

汽车网关作为汽车网络系统的核心控制装置，负责协调不同设备CAN总线网络及其他数据网络之间的协议转换、数据交换、故障诊断等工作，在网络和ECU之间提供安全的互联通信。现代高端车辆的车载联网很复杂，车载网关需要同时与网关处理器、SWITCH、高速内部PCIe 功能插槽实现高速数据通信。

与其他网关一样，汽车网关的内部通信也需要多个随路时钟，因为现代高性能汽车的汽车网关支持PCIe高速接口，因此其内部会有多个PCIe的随路时钟需要提供，另外一些PHY接口也需要各种参考时钟。设计时，一般高速接口时钟不建议使用晶振，另外对于内部接口较多的情况下，使用较多晶振作为时钟源本身会占用较多的PCB面积，因此选择合适的车规级多路输出时钟发生器作为网关的时钟树是非常有必要的。

本文推荐SILICON LABS的SI5332D-D-AM1作为网关设计时钟源，为PCIe接口如PCIe M.2、PCIe Slot以及主控处理器PCIe等提供PCIe参考时钟。SI5332D-D-AM1是支持AEC-Q100标准的车规级时钟发生器，支持PCIe Gen1/2/3/4/5标准，可以有效满足不同级别汽车网关的高速接口互通需求；保留了工业级时钟发生器芯片的低抖动特性和高稳定性，RMS jitter最低可达到190 fs，在用于高速接口设计时，会给工程师留有更多的时钟抖动设计余量，使系统设计更加可靠。另外SI5332D-D-AM1支持多个时钟域，不只是可以提供PCIe所需的100MHz时钟，还可以提供其它接口如PHY、USB所需的参考时钟，支持小数分频器，可以在输出范围5~200MHz内任意支持配置频点。SI5332D-D-AM1可以定制，支持I2C总线接口可以自行编程，用起来非常方便，下面图1是一则该时钟发生器用于汽车网关的时钟树设计。

图1 基于SI5332D-D-AM1的汽车网关时钟树设计

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夏拉 Lv7. 资深专家 2020-12-22

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dylen Lv7. 资深专家 2020-12-22

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好运常伴吾 Lv8. 研究员 2020-12-22

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210119965 Availability of Si5332-AM Rev1.1 Datasheet Process Change Notice

型号- SI5332B-D-AM3,SI5332CDXXXXX-AM1R,SI5332B-D-AM1R,SI5332BDXXXXX-AM1,SI5332D-D-AM1R,SI5332A-D-AM1R,SI5332C-D-AM1R,SI5332BDXXXXX-AM2,SI5332BDXXXXX-AM3,SI5332BDXXXXX-AM3R,SI5332A-D-AM2,SI5332A-D-AM3,SI5332A-D-AM1,SI5332ADXXXXX-AM1R,SI5332CDXXXXX-AM3,SI5332CDXXXXX-AM2,SI5332CDXXXXX-AM1,SI5332B-D-AM1,SI5332A-D-AM2R,SI5332B-D-AM2,SI5332C-D-AM2R,SI5332DDXXXXX-AM3R,SI5332DDXXXXX-AM1,SI5332CDXXXXX-AM3R,SI5332DDXXXXX-AM2,SI5332DDXXXXX-AM3,SI5332ADXXXXX-AM2R,SI5332A-D-AM3R,SI5332C-D-AM1,SI5332D-D-AM1,SI5332C-D-AM3R,SI5332D-D-AM2,SI5332B-D-AM3R,SI5332D-D-AM3,SI5332D-D-AM3R,SI5332BDXXXXX-AM1R,SI5332DDXXXXX-AM2R,SI5332-AM,SI5332CDXXXXX-AM2R,SI5332ADXXXXX-AM3R,SI5332C-D-AM2,SI5332C-D-AM3,SI5332B-D-AM2R,SI5332D-D-AM2R,SI5332DDXXXXX-AM1R,SI5332BDXXXXX-AM2R,SI5332ADXXXXX-AM3,SI5332ADXXXXX-AM1,SI5332ADXXXXX-AM2

产品变更通知及停产信息 - SILICON LABS - 1/19/2021 PDF 英文下载

【PCN】Silicon Labs Availability of Si5332-AM Datasheet Rev1.0 Product Change Notification (200728828)

型号- SI5332A-D-AM1R,SI5332B-D-AM1R,SI5332C-D-AM1R,SI5332ADXXXXX-AM1R,SI5332CDXXXXX-AM2R,SI5332C-D-AM1,SI5332D-D-AM2R,SI5332D-D-AM2,SI5332D-D-AM1,SI5332CDXXXXX-AM2,SI5332CDXXXXX-AM1,SI5332ADXXXXX-AM2,SI5332ADXXXXX-AM1,SI5332A-D-AM2,SI5332DDXXXXX-AM1R,SI5332BDXXXXX-AM2R,SI5332A-D-AM1,SI5332ADXXXXX-AM2R,SI5332-AM,SI5332A-D-AM2R,SI5332C-D-AM2R,SI5332CDXXXXX-AM1R,SI5332B-D-AM2R,SI5332C-D-AM2,SI5332DDXXXXX-AM2,SI5332DDXXXXX-AM1,SI5332D-D-AM1R,SI5332B-D-AM2,SI5332B-D-AM1,SI5332BDXXXXX-AM2,SI5332BDXXXXX-AM1,SI5332BDXXXXX-AM1R,SI5332DDXXXXX-AM2R

产品变更通知及停产信息 - SILICON LABS - 7/28/2020 PDF 英文下载

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型号- C8051T604-GS,SI8420AD-A-IS,WF111,SI7007-A20-IM1,SI8035AA-B-IU,C8051T604-GM,C8051F813-GU,SI8642ET-IS,C8051F541-AM,SL16020DC,C8051F813-GM,C8051F587-AM,C8051F044,SI2434,SI4613,C8051F043,SI4614,C8051F046,C8051F045,C8051F587-AQ,SI2435,C8051F047,C8051F541-AQ,TS3001,TS3002,SI2439,TS3003,SI8712CC-B-IP,TS3004,C8051F060,C8051F531-C-IM,TS3006,C8051F062,SI8710AD-B-IS,C8051F061,SI8712CC-B-IS,C8051F064,C8051F063,EFM32LG230FX - QFN64,EZR32WG230F64R69G,EFM32WG880FX - QFP100,EFM32WG980FX - QFP100,SI8233BB-C-IS1,C8051F531-C-IT,SI51210,SI8635BD-B-IS,C8051F975-A-GM,SI8230BB-B-IS1,SI8232BB-B-IS,C8051F394-A-GM,SI4624,C8051T616-GM,SI4622,SI8635BT-IS,C8051F573-IM,SI4629,C8051F530-C-AM,SI8920BD-IS,C8051F530-C-AT,C8051F801-GM,C8051F711-GQ,C8051F585-IM,SI21802,C8051F585-IQ,EFM32LG390FX - BGA112,SI8605AC-B-IS1,C8051F370-A-GM,EFM8BB10F2G-A-QFN20,C8051F066,C8051F065,C8051F067,SI2457,SI3452B-B02-GM,SI88243ED-IS,C8051F801-GU,C8051F506-AQ,SI7005-B-GM1,SI2167-C,SI21682-C,SI7022-A20-IM,SI8642AB-B-IS,SI8650ED-B-IS,SI2167-B,SI8719BC-A-IP,TSM9118,SI8631AB-B-IS,TSM9117,SI8234AB-C-IS,TSM9119,SI8234AB-C-IM,EFM32WG390FX - BGA112,SI8620AB-B-IS,SI8719BC-A-IS,SI8631EC-B-IS1,C8051F565-AM,EZR32WG330F64R55G,SI8235AB-C-IS1,C8051F835-GS,SI1132,SI3500-A-GM,TS1102-100,C8051F506-AM,C8051F565-AQ,SL2309NZ,SI8065AA-B-IU,EZR32LG230F64R60G,C8051F551-AM,EZR32LG230F128R60G,EFM32LG980FX - QFP100,SI8640AB-B-IS1,SI8600AD-B-IS,SI8710BC-B-IP,SI8710BC-B-IS,C8051F007,EFM32LG290FX - BGA112,SI8712BD-B-IM,EFM32GG295FX - BGA120,C8051F38C-GQ,SI8244BB-C-IS1,C8051F000,C8051F002,C8051F38C-GM,C8051F001,SI8620EC-B-IS,TS1005,TS1004,C8051F006,TS1003,C8051F005,TS1002,TS1001,C8051F963-B-GM,C8051F504-AQ,EFM8SB10F4G-A-QFN20,C8051F823-GS,EZR32LG230F128R61G,C8051F020,EFM32TG822FX - QFP48,SI8650BC-B-IS1,C8051F388-GQ,EFM32G200FX - QFN32,C8051F537-C-AM,C8051F563-IM,C8051F019,EZR32WG330F256R55G,C8051F018,C8051F563-IQ,C8051F011,SI2401,SI4822,C8051F010,EFM32TG222FX - QFP48,EFM32TG210FX - QFN32,SI4820,C8051F012,C8051F015,SI4826,SI2404,SI4827,C8051F017,SI4824,C8051F016,C8051F504-AM,SI4825,EFM32WG232FX - QFP64,C8051T602-GS,C8051T327-GM,C8051T602-GM,BGM111,EZR32WG330F128R68G,C8051F863-C-GS,SI88244ED-IS,C8051F811-GS,C8051F589-AM,SI8421BD-B-IS,C8051F537-C-AT,EFM32GG395FX - BGA120,C8051F531-C-AT,C8051F854-C-GM,C8051F022,C8051F021,SI4831,C8051F023,SI2415,C8051F854-C-GU,SI4835,SI2417,SI4836,EFM32WG290FX - BGA112,SI2169-C,TS1101-100,SI8455BA-B-IU,C8051F040,C8051F042,C8051F041,EZR32WG330F128R69G,SI8232AB-B-IS1,C8051F344-GQ,SI8662EC-B-IS1,SI4840,SI8452AA-B-IS1,C8051F701-GQ,SI4844,C8051F502-IM,C8051F575-IM,SI88622ED-IS,C8051F502-IQ,CP2201,CP2200,EFM32LG942FX - QFP64,SI8641BB-B-IS,EFM32GG942FX - QFP64,SI8655BB-B-IS1,SI8400AB-B-IS,SI8030AA-B-IU,C8051F587-IM,C8051F206,C8051F587-IQ,EFM32TG840FX - QFN64,SI8460AA-B-IS1,C8051F500-IQ,EZR32WG230F64R61G,C8051F546-IM,C8051F500-IM,EZR32WG330F128R67G,SI8660AB-B-IS1,C8051F827-GS,C8051F988-GU,SI52142,SI52143,SI7050,SI52144,SI7055,SI7054,SI7053,C8051F567-AQ,C8051F590-AM,C8051F567-AM,C8051F988-GM,SI8450BA-B-IS1,SI7023-A20-IM1,SL28EB742,SI8231BD-B-IS,C8051F855-C-GU,EZR32WG230F128R63G,EZR32LG230F64R68G,SI8631BC-B-IS1,C8051F300-GM,SI52111,SI52112,SI8920AD-IS,C8051F855-C-GM,SL28EB740,EFM8SB20F16G-A-QFN24,SI8641BB-B-IS1,C8051F300-GS,EFM8UB10F16G-C-QFN28,C8051F920-GQ,C8051F815-GS,C8051F920-GM,C8051F220,EFM8UB10F16G-C-QFN20,TSM9938F,EZR32LG230F64R67G,C8051F221,C8051T320-GQ,SI8651EC-B-IS1,C8051F226,C8051F862-C-GS,TSM9938H,SI8661BB-B-IS1,EZR32WG230F64R63G,SI8661ED-B-IS,SI8220DD-A-IS,EZR32LG230F64R69G,SI8405AB-A-IS1,C8051F565-IM,EFM8SB10F2G-A-QFN20,C8051F395-A-GM,C8051F565-IQ,SI8641BD-B-IS,EFM32TG232FX - QFP64,C8051F231,SI8661BC-B-IS1,C8051F230,C8051T631-GM,SL2305NZ,SI8441AA-D-IS1,SI8630BD-B-IS,C8051T600-GS,C8051F236,SI8442BA-D-IS1,C8051F580-AQ,C8051T600-GM,C8051F803-GS,C8051F580-AM,TS1103-100,EZR32WG230F128R61G,C8051F996-GM,SI21822,SI8645BT-IS,C8051F302-GM,C8051F996-GU,SI8232AB-B-IS,SI8622BC-B-IS,C8051F302-GS,TS7003,C8051F708-GQ,TS7001,EFM32WG890FX - BGA112,EZR32LG230F64R61G,EZR32WG330F128R63G,SI21662-B,SI8600AC-B-IS,SI21662-C,EZR32WG230F128R60G,EFM32G222FX - QFP48,TSM9938T,C8051F523-C-IM,SI21812,EFM32GG990FX - BGA112,EFM32LG360FX - CSP81,SL23EP09NZ,SI8651BD-B-IS,TSM9938W,C8051F510-IM,C8051F556-IM,SI8422AD-B-IS,SI8232AD-B-IS,C8051F411,C8051F410,C8051F413,SI8405AA-A-IS1,C8051F412,C8051F381-GM,SI8040AA-B-IU,C8051F589-IM,C8051F965-B-GM,SI8461BA-B-IS1,SI8655BA-B-IS,SI8660BA-B-IS1,C8051F381-GQ,C8051T621-GM,C8051F346-GM,EZR32WG230F64R68G,EFM8BB10F8G-A-QSOP24,SI51214,C8051F346-GQ,SI51211,SI51218,SI8655BA-B-IU,SI8662BD-B-IS,SI8630BB-B-IS,EFM8UB20F32G-A-QFP32,SI51219,EZR32LG230F64R63G,EZR32WG330F128R60G,C8051F930-GM,SI8630BB-B-IS1,SI8660BB-B-IS1,C8051F502-AM,C8051F825-GS,EFM8UB11F16G-C-QSOP24,C8051F544-IM,EZR32WG330F128R61G,C8051F34A-GQ,EFM32GG332FX - QFP64,SI7006-A20-IM,C8051F502-AQ,SI2165-D,C8051F544-IQ,C8051F986-GU,C8051F34A-GM,SI21832,WF121,EZR32WG230F64R67G,SI8620BT-IS,C8051F569-AM,SI8642BC-B-IS1,C8051F930-GQ,C8051F986-GM,EFM8UB20F32G-A-QFP48,EZR32LG330F64R55G,EFM32LG380FX - QFP100,SI8630

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目录- 计时解决方案晶体振荡器（XO）压控晶体振荡器（VCXO）时钟发生器时钟缓冲器抖动衰减器无线时钟网络同步器

型号- SI56X,SI5382,SI5383,SI5380,SI5381,SI5386,SI5331X,SI5384,SI590,SI5315X,SI591,SI595,SI510,SI598,SI511,SI596,SI597,SI514,SI515,SI512,SI513,SI516,SI52142,SI52143,SI52144,SI51210,SI5394,SI5391,SI5392,SI5397,SI5332X,SI5395,SI569,SI54X,SI567,SI52111,SI52112,SI570,SI571,SI5344H,100G,SI53212,SI5332,SI53208,SI5330X,SI5335,SI53204,SI5334,SI5338,SI547,SI545,SI546,SI549,SL18860,SI5311X,SI5342,SL18861,SI5340,SI52208,SI5341,SI5346,SI52202,SI5347,SI5344,SI52204,SI5345,SI550,SI5348,SI554,SI552,SI5342H,SI5350,SI53306,SI5351,SI53102-AX,SI52212,SI5336X,SI561,SI562,SI560,SI565,SI566,SI564,SI51214,SI51211,SI51218,SI52146,SI52147,SI532,SI533,SI530,SI531,SI534,SI5334X,SI540,SI544,SI541,SI542

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目录- Company and product overview Bluetooth Modules proprietary wireless devices Wi-Fi Modules Mighty Gecko Modules Z-Wave Modules

型号- EBWT41U,ZDB5202,SLEXP8027A,EFR32FG13P233F512GM48,EFR32™,SLWSTK6061B,MGM12P,EZR32WG,EFR32FG13P231F512GM32,EFR32BG12P232F1024GM68,EFR32MG13P733F512GM48,EFR32BG13P532F512GM32,WT12,AMW007-E04,EFR32,WT32I,EZR32™,BGM121,BGM11S,WT11U,EFR32FG,EFR32FG14P233F256GM48,SLWSTK6062B,RBK-ZW500DEV-CON2,SLWSTK6120A,SLWSTK6063B,RBK-ZW500,EFR32BG12P132F1024GL125,SI4XXX,ZM5101,ZM5304,ZDB5101,ACC-UZB3-U-BRG,BGM111,EBWT11U,EFR32FG14P233F128GM48,ACC-UZB3-U-STA,MGM111,ZDB5304,SLWSTK6000B,SLWSTK6020B,WT32,SI10XX,SLWSTK6101C,EFR32MG13P632F512GM32,AMW037,EFR32FG12P433F1024GM48,DKWT32I-A,EFR32MG12P132F1024GL125,EFR32MG1P133F256GM48,BGM13S,EZR32HG,BGM13P,BGX13P,EZR32LG,MGM13P,WT41U,EFR32BG13P733F512GM48,BGX13S,SLWSTK6060B,MGM13S,SLWSTK6065B,WGM110,RBK-ZW500DEV-EMB2,EFR32BG12P433F1024GL125,EBWT12-A,ZM5202,AMW007,SLTB004A,EFR32MG14P733F256GM48

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Silicon Labs（芯科科技）磁性传感器选型指南

目录- Magnetic Sensors Si720x Switch and Latch Devices Si7210 I2C Magnetic Sensors Si721x - Linear Output Magnetic Sensors Magnetic Sensors development tools

型号- SI7201-B-80-FV,SI7205-B-00-IVR,SI7210-B-04-IVR,SI7201-B-09-IB,SI7217-B-01-IVR,SI7211-B-00-IVR,SI7211-B-00-IB,SI7201-B-10-IV,SI7214-B-00-IVR,SI7201-B-04-IVR,SI7210-B-05-IVR,SI72XX,SI7201-B-86-IV,SI7213-B-00-IV,SI7201-B-05-IVR,SI7202-B-01-IBR,SI7210-B-03-IV,SI7215-B-00-IV,SI7201-B-06-IV,SI7203-B-00-FVR,SI7201-B-02-FV,SI7210-B-02-IV,SI7202-B-02-IVR,SI7204-B-00-FV,SI7204-B-00-FVR,SI7210-B-02-IVR,SI7202-B-00-FV,SI7211-B-00-IV,SI7217-B-01-IV,SI7201-B-06-IVR,SI7201-B-32-IV,SI7210,SI7201-B-07-IVR,SI7201-B-85-IV,SI7202-B-01-IVR,SI7213-B-00-IVR,SI7210-B-03-IVR,SI7201-B-11-IB,SI7206-B-00-IV,SI7201-B-82-FV,SI7201-B-05-IV,SI7201-B-22-IV,SI7201-B-04-IV,SI7210-B-01-IV,SI72XX-WD-KIT,SI7202-B-00-FVR,SI7202-B-02-IV,SI7201-B-02-FVR,SI7201-B-12-IV,SI7201-B-31-IV,SI7210-B-00-IVR,SI7214-B-00-IV,SI7216-B-00-IV,SI7201-B-01-FV,SI7201-B-84-IV,SI720X,SI7206-B-00-IVR,SI7210-B-05-IV,SI7210-B-01-IVR,SI7212-B-00-IVR,SI7201-B-01-FVR,SI7201-B-81-FV,SI7201-B-08-IV,SI7201-B-40-IV,SI7201-B-21-IV,SI7202-B-04-IBR,SI7201-B-03-IV,SI7215-B-00-IVR,SI7210-B-00-IV,SI7202-B-01-IV,SI7202-B-04-IB,SI7212-B-00-IV,SI7211-B-00-IBR,SI7203-B-00-FV,SI7201-B-00-FVR,SI7201-B-30-IV,SI7201-B-41-IV,SI7216-B-00-IVR,SI7202-B-01-IB,SI7201-B-87-IV,SI7201-B-00-FV,SI7201-B-83-IV,SI7205-B-00-IV,SI721X,SI7210-B-04-IV,SI7201-B-20-IV,SI7201-B-03-IVR,SI7201-B-07-IV

选型指南 - SILICON LABS - 2019/8/16 PDF 英文下载