I3C 電氣特性驗證 Electrical Validation
電子設計的關鍵之一是確認電路的正確性和穩定性。在這個背景下,電氣特性驗證功能應運而生,旨在為工程師提供一個全面且便捷的平台,以驗證電子設備的各種電氣特性。
皇晶科技提供的電氣特性驗證功能具有許多優勢,首先是其靈活性和易用性。工程師可以輕鬆設定各種參數,包括電壓、頻率和時序等,而軟體則即時呈現測試結果,包括波形和參考點。更重要的是,軟體還能自動產生詳盡的測試報告,節省了寶貴的時間和人力成本。
此外,在一般設定方面,可以指定訊號來源、工作電壓和速度等關鍵參數,以滿足不同應用場景的需求。解碼設定則可協助更深入的訊號解析,進一步提高了驗證的準確性和可靠性。
此功能還允許工程師對電壓、時序和頻率等關鍵驗證項目進行數值範圍設定,軟體端能夠根據設定內容判斷是否符合範圍,從而確保電子設備在各種條件下的正確性和穩定性。這一功能的引入,為電子設計和驗證工作帶來了全新的效率和便利性,有助於提升產品的品質和可靠性。
支援型號:
電氣特性驗證 軟體畫面

波形和參考點

HTML 報告總表 - 有對應連結,可方便輸出/查詢/傳遞

HTML 報告詳細內容

I3C 電氣特性驗證設定:
1. General:設定通道來源、工作電壓及速度
在此部分中,所選的速度模式會影響驗證所需的取樣率,同時也會影響後續「驗證設定」部分中的時序規格表。例如,在 HDR-TSL 與 HDR-TSP 模式下,將額外顯示專屬的時序規格。
此外,在「Bus Configuration」中需指定匯流排上連接的裝置類型:
• 純 I3C 匯流排(Pure-Bus):不需要 I²C 時序規格。
• 混合匯流排(Mixed Bus):需加入 I²C 相容裝置的時序規格,預設值採用 Fast Mode(Fm)或 Fast Mode+(Fm+)設定,與 I²C 驗證設定相同。

2~3. Decode / Trigger:I3C 解碼 / 觸發 設定
若需要分析特定裝置位址,可設定特定位置為觸發條件。如圖中 "XX" 表示「任意」的位元,將會觸發所有位址。此外亦支援針對常用命令碼(CCC)的觸發,可透過廣播位址 7"h7E 指定。

4. Validation:設定頻率、時間、電壓等驗證參數的限制範圍

本部分共包含五種參數表:
• Frequency
• I3C timing requirements when communicating with I2C Legacy Devices
• I3C Open Drain timing parameters
• I3C Push-Pull timing parameters
• I3C I/O stage characteristics voltage requirements
若為純 I3C 匯流排,則不會顯示與 I²C 裝置相關的時序表,也不會顯示 fSCL 頻率參數。
| MIPI I3C Frequency Requirements | |
| Symbol | Electrical Parameter | 
| fSCL | SCL Clock Frequency when communicating with I²C Legacy Devices | 
| tSCL_PP | SCL Clock Frequency | 
| tBT_FREQ | HDR-BT SCL Clock Frequency | 
| MIPI I3C Timing Requirements When Communicating With I2C Legacy Devices | |
| Symbol | Electrical Parameter | 
| tSU_STA | Setup Time for a REPEATED START | 
| tHD_STA | Hold Time for a (REPEATED) START | 
| tLOW | SCL Clock Low Period | 
| tDIG_L | SCL Clock Low Period as seen at the receiver | 
| tHIGH | SCL Clock High Period | 
| tDIG_H | SCL Clock High Period as seen at the receiver | 
| tSU_DAT | Data Setup Time | 
| tHD_DAT | Data Hold Time | 
| trCL | SCL Signal Rise Time | 
| tfCL | SCL Signal Fall Time | 
| trDA | SDA Signal Rise Time | 
| trDA_OD | SDA Signal Rise Time (Open Drain) | 
| tfDA | SDA Signal Fall Time | 
| tSU_STO | Setup Time for STOP | 
| tBUF | Bus Free Time Between a STOP and a START | 
| tSPIKE | Pulse Width of Spikes that Spike Filter Must Suppress | 
| MIPI I3C Open Drain Timing Requirements | |
| Symbol | Electrical Parameter | 
| tLOW_OD | SCL Clock Low Period | 
| tDIG_OD_L | SCL Clock Low Period as seen at the receiver | 
| tHIGH_INIT | High Period of SCL Clock (for First Broadcast Address) | 
| tHIGH_OD | SCL Clock High Period | 
| tDIG_OD_H | SCL Clock High Period as seen at the receiver | 
| tfDA_OD | SDA Data Fall Time | 
| tSU_OD | SDA Data Setup Time During Open Drain Mode | 
| tCAS | Clock After START (S) Condition | 
| tCBP | Clock Before STOP (P) Condition | 
| tCRHPOverlap | Active Controller to Secondary Overlap time during handoff | 
| tAVAL | Bus Available Condition | 
| tIDLE | Bus Idle Condition | 
| tNEWCRLock | Time Interval Where New Controller Not Driving SDA Low | 
| MIPI I3C Push-Pull Timing Requirements | |
| Symbol | Electrical Parameter | 
| tLOW | SCL Clock Low Period | 
| tDIG_L | SCL Clock Low Period as seen at the receiver | 
| tHIGH | SCL Clock High Period | 
| tDIG_H | SCL Clock High Period as seen at the receiver | 
| tSCO | Clock in to Data Out for Target | 
| tCR_PP | SCL Clock Rise Time | 
| tCF_PP | SCL Clock Fall Time | 
| tHD_PP_Controller | SDA Signal Data Hold (Controller) | 
| tHD_PP_Target | SDA Signal Data Hold (Target) | 
| tSU_PP | SDA Signal Data Setup | 
| tCASr | Clock After Repeated START (Sr) Condition | 
| tCBSr | Clock Before Repeated START (Sr) Condition | 
| tBT_HO | HDR-BT Master to Slave Hand Off Delay | 
| tBT_STALL | HDR-BT Clocked Not-Ready Data-Block Headers | 
| MIPI I3C I/O Stage Characteristics Voltage Requirements | |
| Symbol | Electrical Parameter | 
| VIL | Low-Level Input Voltage | 
| VIH | High-level Input Voltage | 
| VOL | Low-level Output Voltage | 
| VOH | High-level Output Voltage | 
5. 電氣特性驗證軟體 控制面板:

停止條件:
當獲取資料次數達到 X 時停止
當結果錯誤超過 X 次時停止
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