M343259 八、新型說明： 【新型所屬之技術領域】 本創作係有關於一種高解析多媒體介面(HDMI)裝置，尤指一 - 種高解析多媒體介面裝置之漏電流防護電路。 . 【先前技術】 HDMI是一種全數位化的影像/聲音傳輸介面，可同時傳送無 φ 壓縮(unc〇mpressed)的音頻與視頻訊號，且所有相容於HDMI的裴 置，例如機上盒(set-top box)、光碟播放機、個人電腦、電視遊樂 器、數位音響與電視等，均可透過HDMI所規範的最小化傳輸差 動訊號(Transition-Minimized Differential Signaling)通道、顯示資料 通道(Display Data Channel)以及消費性電子控制(c〇nsumer Electronics Contro卜CEC)通道來互通有無。因此，HDM][在市面 上已逐漸地取代習知的類比影音傳送介面(例如SCART& RCA 端子）〇 消費性電子控制通道係用來傳送影音連結(AVLink)協定訊 號’以便消費者從單一遙控器操控多台互相連結的HDMI裝置， 執行如單鍵播放(0neT〇uchpiay)、單鍵錄影(〇neT〇uchRec_、 及系統待命(System Standby)等功能。由於消費性電子控制通道係 直接串連起網路中的每一 HDMI裝置，故HDMI協定中嚴格地規 定有消費性電子控制埠應遵守的電氣規格，而每一台HDMI裝置 都需通過對消費性電子控制琿之電流與電壓值的檢驗，以免因過 M343259 大的漏電流(Leakage Current)對網路中的其他電器產品造成損宝 HDM協定巾規定有：在電__狀態下，漏電流不得超過 1.8# A ’而在電關啟的狀態下，消費性電子控料的電壓準位 應維持於3.3V。 & 【新型内容】 士有鑑於此’本創作的目的之一即在於提供一種應用於hdmi 裝置之消費性電子控辨的漏電赫護電路，贿hdmi裳置符 合協定中所規定的漏電流規範。 此外，本創作之漏電流防護電路可整合於一 制晶片 内口P以節省生產成本’提局控制晶片的實用性以及硬體實施上 的便利性。 士根據本創作之-實施例，其係提供一種HDMI裝置。該hdmi =置包合有- >肖費性電子控制(CEC傅、—漏電流防護電路以及一 電阻[生7L件，其巾漏電赫護電路包含有—電晶體，電晶體的控 ⑩而係用以接收-控制電壓’第一端係耦接於消費性電子控制 埠’而電阻性7〇件的第—端伽以接收—預定電鮮位，電阻性 讀的第二端則減於電晶體的第二端；其中，當該HD·裝置 為電源關閉(poweroff)狀態時，該控制電壓會關閉該電晶體，當該 Η職裝置為電源開啟(power〇n)狀態時，該控制電壓會打開該電 M343259 根據本創作之另—實施例，其係提供―抑讀控制晶片。 。玄HDMI控制晶片包含有―漏電流防護電路以及—電阻性元件， /、中漏_防。f %路包含有—電晶體，電晶體的控制端係用以接 收-控制電壓’第—端餘接於消#性電子控辨，而電阻性元 件，第:端係用以接收—預定電壓準位，第二端職接於電晶體 的第知gHDMI裝置為電源關閉狀態時，該控制電壓 會關閉該電晶體’當HDMI裝置為電源開啟狀態時，該控制電壓 會打開該電晶體。 【實施方式】 —在.兄明書及物的申料利範圍當中錢了某些詞彙來指稱 特^的7G件。所屬領域巾具有通常知識者應可理解，硬體製造商 可月b三用不同的名㈣來稱呼同—個元件。本說明書及後續的申請 專利關並不以名稱的差異來作為區分元件的方式，而是以元件 在功能上的絲來作為區分的物。在通篇說嘴及後續的請求 =當中触及的「包含」係為i放式_語，故應解釋成「包 ^限疋於」卩外，「輕接」一詞在此係包含任何直接及間接 =氣連接手段。因此，若文中描述—第-裝置雛於-第二裝 、丨代表辟1置可直接電氣連接於該第二裝置，或透過其 衣置或連接手段間接地電氣連接至該第二裝置。 M343259 狀明二寺第1圖，其係本創作漏電流防護電路應用於一 hdmi 子控制埠的—實施例的示意圖。漏電流防護電路 二二2 ’在本實施例中，其係以如圖示 -灿i斜U體⑽來實作。電晶體12G _極係用以接收 工制錢Vc，且控制電愿％係與HDM裝置之供應電源相關 :…’於一消費性電子控制㈣0,而源極則織於一電 阻R，電阻R的另接於—預定電醉位，在肋 中，電阻R的阻抗值為2·7Μ，而預定電壓準位為+3.3V。 本創作的㈣流防護電路以及fjaR可射卜加電路的方 置於一_控制晶片的外部。而在另一實施例中，為了節省生 產成本以及提㈣體實施±的便糧，上叙電日日日體⑽及電阻r 更可正口於HDMI控制晶片13〇内部，如此一來，η〇μι控制 曰曰片130的貝用性也可大幅提高。請參考第2圖，腦^控制晶 片no内亦可整合有靜電放f(ESD)防護魏_，在本實施例 仔注意的是，為了不形成可讓預定電壓準位+3.3V放電的路徑，靜 :放電防4電路不设置於與電阻Rit聯的位置(如圖巾虛線所示之 二極體）。 源關閉的狀態下，漏電流 的示意圖。由於電晶體120 第3圖係顯示於HDMI裝置系統電 防護電路12(Ηπ何達成_流防護效能 M343259 =極係由與jjDmi裝置之供應電源相關的控制電壓V。所控制， '、關閉日守’控制電壓Vc亦位於低電壓準位，使電晶體120關 閉’因此，消費性電子控制埠110與HDMI裝置的内部電路間形 成開路，即使此HDMI裝置有連接一電子裝置3〇〇，消費性電子 ㈣埠110也不會形成漏電流。另一方面，當系統電源啟動時， 如第4圖所不，控制電壓Vc會位於高電壓準位，使電晶體⑽導 通’此時電晶體12〇可視為通路。由於删^裝置不設置與電阻 R並聯的靜電放電防護電路，電阻R所接收的舣電鮮位、+3.3V 沒有可放電的路徑，，當此HDMI裝置有連接—電子裳置 二〇 ’消費性電子控制璋110 ±的電壓準位可維持於+3外附近， 符合HDMI協定所規範的漏電流標準。 在上述實施例巾’漏電流防魏路顧電晶體12()的開關特 I·生有效地達成漏電流賴的魏，當其制於hdmi裝置之消費 性轩控辦時，可使HD戦置符合麵〗財帽於漏電流 的規範：在電源關的狀態·^•，漏電流小於18#A ;在電源開啟 的狀態下，電壓準位維持於3.3V。 、 此外’在上述_財更提出將漏電齡護電路整合於控制 晶片的設計’可節省生產成本’並使控u具有高實用性 體實施便利性的優點。 以上所述僅為本創作之較佳實施例，凡依本_巾請專利範 M343259 圍所做之均等變化與修飾，皆應屬本創作之涵蓋範圍。 【圖式簡單說明】 第1圖係本創作漏電流防護電路應用於一 HDMI裝置之消費性電 子控制埠的一實施例的示意圖。 第2圖係將第1圖所示之漏電流防護電路、電阻以及一靜電放電 防護電路整合於一 HDMI控制晶片之一實施例的示意圖。 第3圖係顯示於系統電源關閉的狀態下，第1圖所示之漏電流防 濩電路如何達成漏電流防護效能的示意圖。 第4圖係顯示於系統電源啟動的狀態下，第i圖所示之漏電流防 護電路如何達成漏電流防護效能的示意圖。 【主要元件符號說明】 110 1 ~ — 消費性電子控制 埠 120 電晶體 13U HDMI控制晶片 140 靜電放電防護電路 300、400 ——— 電子裝置M343259 VIII. New Description: [New Technology Field] This creation is about a high-resolution multimedia interface (HDMI) device, especially a leakage current protection circuit for a high-resolution multimedia interface device. [Prior Art] HDMI is an all-digital video/sound transmission interface that can simultaneously transmit unc〇mpressed audio and video signals, and all HDMI-compatible devices, such as set-top boxes ( Set-top box), CD player, PC, TV game, digital audio and TV, etc., can pass the Transition-Minimized Differential Signaling channel specified by HDMI, display data channel (Display) Data Channel) and consumer electronic control (c〇nsumer Electronics Contro CEC) channels for interoperability. Therefore, HDM] [has gradually replaced the conventional analog video transmission interface (such as SCART & RCA terminal) on the market, and the consumer electronic control channel is used to transmit audio and video link (AVLink) protocol signals for consumers to use from a single remote control. Controls multiple interconnected HDMI devices, performing functions such as one-button playback (0neT〇uchpiay), one-button recording (〇neT〇uchRec_, and System Standby). Since the consumer electronic control channel is directly connected in series Every HDMI device in the network, so the HDMI protocol strictly stipulates the electrical specifications that consumer electronic control should follow, and each HDMI device needs to pass the current and voltage values of the consumer electronics control. Inspection, in order to avoid the leakage current of the M343259 large leakage current (Leakage Current) on other electrical products in the network, the HDM agreement towel provisions: in the electric__ state, the leakage current must not exceed 1.8# A 'in the electric switch In the state of Kai, the voltage level of the consumer electronic control material should be maintained at 3.3V. [New content] In view of this, one of the purposes of this creation is to provide a kind of In the hdmi device, the consumer electronically controlled leakage protection circuit, the bribe hdmi is placed in compliance with the leakage current specification specified in the agreement. In addition, the creation of the leakage current protection circuit can be integrated into a wafer internal port P to save production. The cost 'practice control chip's practicability and hardware implementation convenience. According to the present invention - an embodiment, it provides an HDMI device. The hdmi = package is combined - > Scheffer electronic control ( CEC Fu, - leakage current protection circuit and a resistor [raw 7L piece, its towel leakage protection circuit contains - transistor, transistor control 10 and is used to receive - control voltage' first end is coupled to consumption The electronic control 埠' and the first end of the resistive 7-piece is received - the predetermined electric fresh position, and the second end of the resistive read is subtracted from the second end of the transistor; wherein, when the HD device is a power source In the poweroff state, the control voltage turns off the transistor, and when the service device is in a power-on state, the control voltage turns on the power M343259. According to another embodiment of the present invention, Provides "suppression control" The HDMI control chip contains a "leakage current protection circuit and - a resistive element, /, a medium leakage _ anti-f. The % circuit contains a transistor, and the control terminal of the transistor is used to receive - control voltage' The terminal is connected to the electronic control, and the resistive component is used to receive the predetermined voltage level. When the second terminal is connected to the transistor, the known gHDMI device is in the power off state. The control voltage turns off the transistor. When the HDMI device is powered on, the control voltage turns on the transistor. [Embodiment] - In the scope of the application of the brothers and books, some words were used to refer to the 7G pieces. It should be understood by those skilled in the art that the hardware manufacturer can refer to the same component by a different name (four). This specification and subsequent applications Patent closure does not use the difference in name as a means of distinguishing components, but rather as a distinction between functional components. In the whole article, the "including" that is touched by the mouth and the subsequent request = is the i-style, so it should be interpreted as "including the limit". The word "light" is used in this section. And indirect = gas connection means. Thus, if described herein - the first means - the second means, the second means, the means can be directly electrically connected to the second means or indirectly electrically connected to the second means by means of their clothing or attachment means. M343259 Figure 1 of the Mingji Temple, which is a schematic diagram of an embodiment in which the present leakage current protection circuit is applied to an hdmi sub-control 埠. The leakage current protection circuit 22 2 ' in the present embodiment is implemented as shown in the figure - the oblique U body (10). The transistor 12G _ pole is used to receive the manufacturing cost Vc, and the control power is related to the power supply of the HDM device: ... in a consumer electronic control (4) 0, and the source is woven in a resistor R, resistor R The other is connected to the predetermined electric drunk position. In the rib, the resistance R has an impedance value of 2. 7 Μ and the predetermined voltage level is +3.3 V. The (4) flow protection circuit of the present invention and the fjaR ray-applicable circuit are placed outside the control chip. In another embodiment, in order to save the production cost and to implement the (4) body to implement the ± convenient food, the upper and lower solar body (10) and the resistor r can be directly inside the HDMI control chip 13 ,, thus, η The use of the 〇μι control cymbal 130 can also be greatly improved. Please refer to Figure 2, the brain ^ control chip no can also be integrated with electrostatic discharge f (ESD) protection Wei _, in this embodiment, note that in order not to form a path that allows the predetermined voltage level +3.3V discharge , Static: The discharge protection 4 circuit is not placed at the position connected to the resistor Rit (the diode shown by the dotted line in the figure). Schematic diagram of leakage current in the state where the source is off. Since the transistor 120 is shown in the HDMI device system power protection circuit 12 (Ηπ何达_flow protection performance M343259 = the system is controlled by the control voltage V related to the supply power of the jjDmi device, ', close the day guard 'The control voltage Vc is also at the low voltage level, causing the transistor 120 to be turned off'. Therefore, the consumer electronic control unit 110 forms an open circuit with the internal circuit of the HDMI device, even if the HDMI device is connected to an electronic device 3, consumption. The electron (4) 埠 110 also does not form a leakage current. On the other hand, when the system power is turned on, as shown in Fig. 4, the control voltage Vc will be at a high voltage level, causing the transistor (10) to conduct 'At this time, the transistor 12 〇 It can be regarded as a path. Since the device does not set an ESD protection circuit in parallel with the resistor R, the resistor R receives a fresh current, and the +3.3V has no dischargeable path. When the HDMI device has a connection, the electronic device is placed. The voltage level of the consumer electronic control 璋110± can be maintained near +3, in line with the leakage current standard specified by the HDMI protocol. In the above embodiment, the leakage current of the anti-Weilu Gu crystal 12 () The switch special I·sheng can effectively achieve the leakage current. When it is made in the consumer Xuan control office of the hdmi device, the HD can be placed in accordance with the specification of the leakage current of the cap: in the state of the power off. ^•, the leakage current is less than 18#A; the voltage level is maintained at 3.3V when the power is turned on. In addition, 'the design of integrating the leakage protection circuit into the control chip is proposed in the above-mentioned 'Enjoy the control u has the advantage of high practicality implementation convenience. The above is only the preferred embodiment of the present creation, and all the equivalent changes and modifications made by the patent scope M343259 should belong to The scope of this creation. [Simple description of the drawing] Fig. 1 is a schematic diagram of an embodiment of the present invention for applying a leakage current protection circuit to a consumer electronic control unit of an HDMI device. Fig. 2 is a view of Fig. 1 The leakage current protection circuit, the resistor and the electrostatic discharge protection circuit are integrated into one embodiment of an HDMI control chip. The third figure shows the leakage current protection circuit shown in FIG. 1 in the state where the system power is off. How to reach Schematic diagram of leakage current protection performance. Fig. 4 is a schematic diagram showing how the leakage current protection circuit shown in Fig. i achieves leakage current protection performance when the system power is turned on. [Main component symbol description] 110 1 ~ — Consumption Electronic control 埠120 transistor 13U HDMI control chip 140 Electrostatic discharge protection circuit 300, 400 ——— Electronic device