主题中讨论的其他器件:TPS65987、 TPS65987D、 TPS65988
您好、先生、我已经与您分享了 TUSB546D 的原理图。 我想在 USB 和显示模式下运行此程序。 我已刷写外部 EEPROM。 插入 USB 时,显示我已拔下,并显示在拉电流和灌电流模式之间切换。 请提供用于测试系统的 bin 文件、并解决我的问题。
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现在、我们的电缆和监视器数量有限、我们需要进行更多的测试。
您好、Shubham、
只是想在某些方面保持一致、您之前是否使用过该 pjt? 如果没有、您能否提供上次工作的 pjt。
您期望哪些电源和数据角色。 从 pjt 中、您将被配置为源和 DFP。 您选择处于"Power DUO Mode"(Power DUO 模式)的原因是什么? (全局系统配置)。
我们尝试配置 EVM 时发现了类似的问题。 我们还不确定、但该配置可能会损坏接收器路径。
谢谢、此致、
Chris
我们让这个 pjt 正常工作、并且可以毫无问题地使用 USB 3.0。
在外部注入 HPD 信号也适用于 USB C 显示屏(模式 C)、但具有 HDMI 输出(模式 D)的 USB C 集线器不起作用。
我们在 USB 主机(DFP、根据我的理解)前面使用 IC、并希望为连接的器件(电源)供电。 根据我的理解、我们将"power duo mode"设置为将 PP1 Switch 和 PP2 Switch 设置为并联工作。 我们不会从该端口灌入任何电流。
您能否提供一个示例 pjt、其中 DisplayPort 工作、因此我们还可以在硬件上对其进行测试?
您好、Shubham、
请尝试此 pjt。 我们在最后使用了 EVM
/cfs-file/__key/communityserver-discussions-components-files/196/Example.pjt
谢谢、此致、
Chris
我们在针对 GPIO 模式修改硬件的多路复用器侧之后尝试了该项目。
我们的一切都按预期工作、但 DisplayPort 仍有问题。
由于您的帮助、HPD 工作正常、但 SBU/DP_AUX 通道存在问题。
我要附上我们从主机处理器捕获的日志。
您能给我们指出正确的方向吗?
e2e.ti.com/.../dp.log
您好!
我正在与 Shubham 合作进行该项目。
我们在修改后的硬件中发现一个问题、该问题将 HPD 信号拉高。 纠正后、我们返回到主机处理器上没有 HPD 信号。
使用与 Christopher Lim1在2020年12月15日提供的配置完全相同的配置、从配置实用程序以及 Infineon 提供的 CY4500协议解码器附加日志。 还有来自 Lenovo ThinkPad 笔记本电脑和 Nvidia Jetson AGX Xavier 开发板的参考资料。
这些是这些文件命名中使用的一般约定-
信函-
A. Lenovo ThinkPad (ThinkPad)
B. Nvidia Jetson AGX Xavier (agx)
C.使用 TPS65987D (原型)的定制 PCB
编号-
1. USB-C 显示屏、USB-C 标记电缆
2.有意留空
DP 显示屏、USB-C 转单 DisplayPort 适配器
DP 显示、USB-C 转双 DisplayPort 适配器
5. HDMI 显示器,USB-C 坞站 Croma 品牌
6. HDMI 显示器,USB-C 坞站 Tooreto 品牌
7. HDMI 显示、USB-C 转 HDMI 适配器
编辑- CY4500日志中的注释、比较案例 A.3和 C.3、是 A.3中的消息55至58、在 C.3中看不到。 请告诉我这是否重要。
您好!
在我今天尝试更多配置时、我注意到了一些我想澄清的事情。
这是我在 CC 线路上捕获的数据、供参考-
Sno,Ok,SOP,Message,Msg Id,Data Role,Power Role,Obj Count,Rev,Duration,Delta,Vbus(V),Data,Start Time,End Time 2,VBUS_UP,SOP,C_RSVD0,0,UFP,SNK,0,v1,0,,4054,0x0,2444434133,2444434133 538,OK,SOP_PRIME,VENDOR_DEFINED,0,RSVD,DFP_UFP,1,v3,638,100815,5018,0x108F 0xFF00A001,2444534948,2444534948 539,OK,SOP_PRIME,VENDOR_DEFINED,0,RSVD,DFP_UFP,1,v3,637,1006,5009,0x108F 0xFF00A001,2444536592,2444536592 540,OK,SOP_PRIME,VENDOR_DEFINED,0,RSVD,DFP_UFP,1,v3,637,999,5001,0x108F 0xFF00A001,2444538228,2444538228 541,OK,SOP,SOURCE_CAPABILITIES,0,DFP,SRC,4,v3,1036,1389,5009,0x41A1 0x101912C 0x2D12C 0x4B12C 0x6412C,2444540254,2444540254 542,OK,SOP,SOURCE_CAPABILITIES,0,DFP,SRC,4,v3,1036,1006,5001,0x41A1 0x101912C 0x2D12C 0x4B12C 0x6412C,2444542296,2444542296 543,OK,SOP,SOURCE_CAPABILITIES,0,DFP,SRC,4,v3,1036,1003,5001,0x41A1 0x101912C 0x2D12C 0x4B12C 0x6412C,2444544335,2444544335 544,OK,SOP_PRIME,VENDOR_DEFINED,1,RSVD,DFP_UFP,1,v3,637,177371,5009,0x128F 0xFF00A001,2444722742,2444722742 545,OK,SOP_PRIME,VENDOR_DEFINED,1,RSVD,DFP_UFP,1,v3,638,1006,5009,0x128F 0xFF00A001,2444724385,2444724385 546,OK,SOP_PRIME,VENDOR_DEFINED,1,RSVD,DFP_UFP,1,v3,637,996,5009,0x128F 0xFF00A001,2444726019,2444726019 547,OK,SOP,SOURCE_CAPABILITIES,1,DFP,SRC,4,v3,1036,1385,5009,0x43A1 0x101912C 0x2D12C 0x4B12C 0x6412C,2444728041,2444728041 548,OK,SOP,GOODCRC,1,UFP,SNK,0,v2,505,122,4983,0x241,2444729199,2444729199 549,OK,SOP,REQUEST,0,UFP,SNK,1,v2,638,5478,5018,0x1042 0x1204B12C,2444735182,2444735182 550,OK,SOP,GOODCRC,0,DFP,SRC,0,v2,503,36,4992,0x161,2444735856,2444735856 551,OK,SOP,ACCEPT,2,DFP,SRC,0,v2,504,4093,5018,0x563,2444740452,2444740452 552,OK,SOP,GOODCRC,2,UFP,SNK,0,v2,505,125,5001,0x441,2444741081,2444741081 553,OK,SOP,PS_RDY,3,DFP,SRC,0,v2,504,35631,5009,0x766,2444777217,2444777217 554,OK,SOP,GOODCRC,3,UFP,SNK,0,v2,505,136,4992,0x641,2444777857,2444777857 555,OK,SOP,VENDOR_DEFINED,4,DFP,SRC,1,v2,637,1884,5009,0x196F 0xFF008001,2444780246,2444780246 556,OK,SOP,GOODCRC,4,UFP,SNK,0,v2,505,123,4992,0x841,2444781006,2444781006 557,OK,SOP,VENDOR_DEFINED,1,UFP,SNK,5,v2,1172,2845,5009,0x524F 0xFF008041 0x6C002109 0x0 0x1000003 0x3B,2444784356,2444784356 558,OK,SOP,GOODCRC,1,DFP,SRC,0,v2,504,48,4983,0x361,2444785576,2444785576 559,OK,SOP,VENDOR_DEFINED,5,DFP,SRC,1,v2,638,4088,5018,0x1B6F 0xFF008002,2444790168,2444790168 560,OK,SOP,GOODCRC,5,UFP,SNK,0,v2,505,132,4992,0xA41,2444790938,2444790938 561,OK,SOP,VENDOR_DEFINED,2,UFP,SNK,2,v2,772,2211,5018,0x244F 0xFF008042 0xFF010000,2444793654,2444793654 562,OK,SOP,GOODCRC,2,DFP,SRC,0,v2,504,48,4992,0x561,2444794474,2444794474 563,OK,SOP,VENDOR_DEFINED,6,DFP,SRC,1,v2,637,4104,5009,0x1D6F 0xFF018003,2444799082,2444799082 564,OK,SOP,GOODCRC,6,UFP,SNK,0,v2,505,134,4983,0xC41,2444799853,2444799853 565,OK,SOP,VENDOR_DEFINED,3,UFP,SNK,2,v2,772,2177,5009,0x264F 0xFF018043 0x405,2444802535,2444802535 566,OK,SOP,GOODCRC,3,DFP,SRC,0,v2,504,42,4992,0x761,2444803349,2444803349 567,OK,SOP_PRIME,VENDOR_DEFINED,2,RSVD,DFP_UFP,1,v2,638,4092,5009,0x144F 0xFF008001,2444807945,2444807945 568,OK,SOP_PRIME,VENDOR_DEFINED,2,RSVD,DFP_UFP,1,v2,637,1005,5009,0x144F 0xFF008001,2444809588,2444809588 569,OK,SOP_PRIME,VENDOR_DEFINED,2,RSVD,DFP_UFP,1,v2,637,1007,5009,0x144F 0xFF008001,2444811232,2444811232 570,OK,SOP_PRIME,VENDOR_DEFINED,2,RSVD,DFP_UFP,1,v2,637,1007,5009,0x144F 0xFF008001,2444812876,2444812876 571,OK,SOP_PRIME,VENDOR_DEFINED,3,RSVD,DFP_UFP,1,v2,637,46517,5009,0x164F 0xFF008001,2444860030,2444860030 572,OK,SOP_PRIME,VENDOR_DEFINED,3,RSVD,DFP_UFP,1,v2,637,1005,5009,0x164F 0xFF008001,2444861672,2444861672 573,OK,SOP_PRIME,VENDOR_DEFINED,3,RSVD,DFP_UFP,1,v2,637,996,5009,0x164F 0xFF008001,2444863305,2444863305 574,OK,SOP_PRIME,VENDOR_DEFINED,3,RSVD,DFP_UFP,1,v2,637,996,5009,0x164F 0xFF008001,2444864938,2444864938 575,OK,SOP_PRIME,VENDOR_DEFINED,4,RSVD,DFP_UFP,1,v2,637,46482,5018,0x184F 0xFF008001,2444912057,2444912057 576,OK,SOP_PRIME,VENDOR_DEFINED,4,RSVD,DFP_UFP,1,v2,637,1002,5009,0x184F 0xFF008001,2444913696,2444913696 577,OK,SOP_PRIME,VENDOR_DEFINED,4,RSVD,DFP_UFP,1,v2,637,997,5009,0x184F 0xFF008001,2444915330,2444915330 578,OK,SOP_PRIME,VENDOR_DEFINED,4,RSVD,DFP_UFP,1,v2,637,996,5009,0x184F 0xFF008001,2444916963,2444916963 579,OK,SOP,VENDOR_DEFINED,7,DFP,SRC,1,v2,637,2239,5009,0x1F6F 0xFF018104,2444919839,2444919839 580,OK,SOP,GOODCRC,7,UFP,SNK,0,v2,505,136,4992,0xE41,2444920612,2444920612 581,OK,SOP,VENDOR_DEFINED,4,UFP,SNK,1,v2,638,2944,5018,0x184F 0xFF018144,2444924061,2444924061 582,OK,SOP,GOODCRC,4,DFP,SRC,0,v2,504,39,4992,0x961,2444924738,2444924738 583,OK,SOP,VENDOR_DEFINED,0,DFP,SRC,2,v2,770,4088,5009,0x216F 0xFF018110 0x1,2444929330,2444929330 584,OK,SOP,GOODCRC,0,UFP,SNK,0,v2,505,126,4992,0x41,2444930226,2444930226 585,OK,SOP,VENDOR_DEFINED,5,UFP,SNK,2,v2,771,3578,5018,0x2A4F 0xFF018150 0xA,2444934309,2444934309 586,OK,SOP,GOODCRC,5,DFP,SRC,0,v2,504,48,4992,0xB61,2444935128,2444935128 587,OK,SOP,VENDOR_DEFINED,1,DFP,SRC,2,v2,771,4088,5018,0x236F 0xFF018111 0x406,2444939720,2444939720 588,OK,SOP,GOODCRC,1,UFP,SNK,0,v2,505,133,4992,0x241,2444940624,2444940624 589,OK,SOP,VENDOR_DEFINED,6,UFP,SNK,1,v2,639,2844,5018,0x1C4F 0xFF018151,2444943973,2444943973 590,OK,SOP,GOODCRC,6,DFP,SRC,0,v2,504,39,4992,0xD61,2444944651,2444944651 591,OK,SOP,VENDOR_DEFINED,7,UFP,SNK,2,v2,771,2407454,5009,0x2E4F 0xFF018106 0x8A,2447352609,2447352609 592,OK,SOP,GOODCRC,7,DFP,SRC,0,v2,504,36,4983,0xF61,2447353416,2447353416
在 TPS65987配置实用程序中、我注意到在 DP SID 状态寄存器中、DP Status to Plug 字段提到"DP 功能性已禁用"。 以下是快照中的相关块-
DP SID Status (0x58) - (0x405000004060000000a0000000103) DP SID Status DP Status TX Connection Status DFP_D is connected (0x1) Power Low Adapter is functioning normally or disabled (0x0) Enabled DP functionality is Disabled (0x0) Multi-function Preferred No Preference for Multi-function (0x0) USB Configuration Request Maintain current configuration (0x0) Exit DisplayPort Mode Request Maintain current mode (0x0) HPD State HPD_Low (0x0) IRQ HPD No IRQ_HPD since last status (0x0) reserved reserved (0x0) DP Status RX Connection Status UFP_D is connected (0x2) Power Low Adapter is functioning normally or disabled (0x0) Enabled DP functionality is enabled (0x1) Multi-function Preferred No Preference for Multi-function (0x0) USB Configuration Request Maintain current configuration (0x0) Exit DisplayPort Mode Request Maintain current mode (0x0) HPD State HPD_Low (0x0) IRQ HPD No IRQ_HPD since last status (0x0) reserved reserved (0x0) DP Configure Select Configuration Set configuration for UFP_U as UFP_D (0x2) Supports DP v1.3 signalling True (0x1) Supports USB Gen 2 signalling False (0x0) DFPD Receptacle or UFPD Plug Pin Assignment C (0x4) UFPD Receptacle or DFPD Plug Pin Assignment (none) (0x0) reserved reserved (0x0) DP Mode Data Port Capability UFP_D capable (0x1) Supports DP v1.3 signalling True (0x1) Supports USB Gen 2 signalling False (0x0) DFPD Receptacle or UFPD Plug Pin Assignment C (0x4) UFPD Receptacle or DFPD Plug Pin Assignment (none) (0x0) reserved reserved (0x0) DP Status To Plug Connection Status Neither DFP_D or UFP_D connected (0x0) Power Low Adapter is functioning normally or disabled (0x0) Enabled DP functionality is Disabled (0x0) Multi-function Preferred No Preference for Multi-function (0x0) USB Configuration Request Maintain current configuration (0x0) Exit DisplayPort Mode Request Maintain current mode (0x0) HPD State HPD_Low (0x0) IRQ HPD No IRQ_HPD since last status (0x0) reserved reserved (0x0) DP Status ACK From Plug Connection Status Neither DFP_D or UFP_D connected (0x0) Power Low Adapter is functioning normally or disabled (0x0) Enabled DP functionality is Disabled (0x0) Multi-function Preferred No Preference for Multi-function (0x0) USB Configuration Request Maintain current configuration (0x0) Exit DisplayPort Mode Request Maintain current mode (0x0) HPD State HPD_Low (0x0) IRQ HPD No IRQ_HPD since last status (0x0) reserved reserved (0x0) DP Configure to Plug Select Configuration Set configuration for USB (0x0) Supports DP v1.3 signalling False (0x0) Supports USB Gen 2 signalling False (0x0) DFPD Receptacle or UFPD Plug Pin Assignment (none) (0x0) UFPD Receptacle or DFPD Plug Pin Assignment (none) (0x0) reserved reserved (0x0) DP Configure ACK From Plug Select Configuration Set configuration for USB (0x0) Supports DP v1.3 signalling False (0x0) Supports USB Gen 2 signalling False (0x0) DFPD Receptacle or UFPD Plug Pin Assignment (none) (0x0) UFPD Receptacle or DFPD Plug Pin Assignment (none) (0x0) reserved reserved (0x0) DP Mode Data, SOP Prime Port Capability Reserved (0x0) Supports DP v1.3 signalling False (0x0) Supports USB Gen 2 signalling False (0x0) DFPD Receptacle or UFPD Plug Pin Assignment (none) (0x0) UFPD Receptacle or DFPD Plug Pin Assignment (none) (0x0) reserved reserved (0x0) DP SID Detected Far-end DFP_U has issued DP SID SVDM or UFP_U has responded with ACK (0x1) DP Mode Active 0x1 (0x1) Error Code 0x0 (0x0)
我想问、这种行为是否应该发生?
我正在附加整个快照以供参考。
e2e.ti.com/.../snapshot_2D00_2023_2D00_01_2D00_17_2D00_1733_2D00_hpd_2D00_low.zip
谢谢、此致、
Kanishka
谢谢 Kanishka、
[引用 userid="548426" URL"~/support/power-management-group/power-management/f/power-management-forum/1174964/tusb546a-dci-usb-type-c-is-not-working/4474766 #4474766"]DP 状态至插件字段提到"禁用 DP 功能"。这似乎不正确、我将在结尾验证这一点、看看我是否可以复制它。
除了来自 PD 控制器的 HPD 引脚和接收信号的引脚之外、HPD 线路上还有什么其他东西吗?
谢谢、此致、
Chris
尊敬的 Chris:
HPD 引脚具有 PD 控制器、TUSB546A 多路复用器和电平转换器、可将信号从3.3V 转换为1.8V。 来自电平转换器的信号传输到主机处理器。
我们目前在未连接主机处理器的情况下进行测试、并将 HPD 信号与电路的其余部分隔离-我们已使用0E 链路进行了相同的配置。
我今天看到的另一个观察结果是 PP_CABLE 被提供5V 电压、但是在没有连接器件的情况下、CC1和 CC2上的电压电平为3.3V。 通过硬件设计指南文档(slva888c)的第1.5和1.5.1节、我相信我应该在 CC 线路上期望5V 电压。 我的理解是否正确?
我还注意到、在浏览快照数据时、"器件信息"寄存器(0x2F)提到 TPS65988、而 IC 封装提到 TPS65987D。 这是预期值吗?
Device Info (0x2f) - (0xf8071200000000000000000000316563415a2030302e32312e37303846574620303330305748203838393536535054) Device Info Device Info TPS65988 HW0030 FWF807.12.00 ZAce1 ø (0xf8071200000000000000000000316563415a2030302e32312e37303846574620303330305748203838393536535054)
如果我能提供更多信息、请告诉我。
谢谢、此致、
Kanishka