201243794 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種微控制器，且特別是有關於一種 内建電子紙驅動電路的微控制器。 【先前技術】 &著數位媒體内容與顯示技術的蓬勃發展，·平面顯示 2成為人與數位資訊社要介面。在目前，内建顯示驅 ，的微控㈣主要針對扭轉㈣型液晶顯示器（τΝ 及超扭轉向列型液晶顯示$ (stnlcd)的應用領 液晶=器必須不斷更新顯示畫面’因此 相較於液晶顯示器，由 ⑼議)特性，只有在m子紙顯示器具有雙穩態 形，故在顯示靜態畫4=;:=才、需要輸出驅動波 :於需要使用極低功耗及持續顯示同二::的==， :籤=τ紙顯示技術可， 【發明内容】 本發明提供-種微控制器，其 路’以便於電子纟_示面板的驅動電 進而挺汁電子纸在市 201243794 場的使用率。 本發明提供一種微控制器，適於驅動電子紙顯示面 板’包括顯示記憶體、微處理器及電子紙驅動電路。顯示 記憶體用以儲存晝面顯示資料。微處理器耦接顯示記憶 體’以依據輸入信號產生晝面顯示資料及致能信號。電子 紙驅動電路耦接顯示記憶體及微處理器，電子紙驅動電路 依據致能信號而啟動，並依據晝面顯示資料產生多個驅動 波形至電子紙顯示面板後進入待機狀態，以使電子紙顯示 面板依據晝面顯示資料進行顯示。 在本發明之一實施例中，微控制器更包括通用輸入輸 出介面，微處理器透過通用輸入輸出介面接收輸入信號。 在本發明之一實施例中’輸入信號由外部儲存裝置、 輸入裝置及通訊裝置的其中之一所產生。 在本發明之一實施例中，微控制器更包括電壓控制電 路，其將操作電壓調整為驅動電壓後輸出至電子紙驅動電 路，以使電子紙驅動電路依據驅動電壓產生驅動波形。 在本發明之一實施例中，微處理器透過電壓控制字元 或電壓控制位元控制電壓控制電路所輸出的驅動電壓的大 小。 在本發明之一實施例中’微控制器更包括電源產生電 路，其接收電源電壓，並依據電源電壓產生操作電壓。 在本發明之一實施例中，電源電壓為電池所提供或線 圈經電壓耦合而產生。 在本發明之一實施例中，電子紙驅動電路包括電子紙201243794 VI. Description of the Invention: [Technical Field] The present invention relates to a microcontroller, and more particularly to a microcontroller for a built-in electronic paper driving circuit. [Prior Art] & Digital media content and display technology is booming, and the flat display 2 has become the interface between people and digital information agencies. At present, the built-in display driver, the micro-control (four) mainly for the twist (four) type liquid crystal display (τ Ν and super-twisted nematic liquid crystal display $ (stnlcd) application led LCD = must constantly update the display screen 'so compared to liquid crystal Display, by (9) discussion) characteristics, only in the m sub-paper display has a bistable shape, so in the display static picture 4 =;: = only, need to output the drive wave: need to use very low power consumption and continuous display of the same two: The ==, : sign = τ paper display technology can be, [invention] The present invention provides a kind of microcontroller, the road 'to facilitate the driving of the electronic 纟 _ display panel and then the juice electronic paper in the city 201243794 field Usage rate. The present invention provides a microcontroller suitable for driving an electronic paper display panel' including display memory, a microprocessor, and an electronic paper drive circuit. Display Memory is used to store the displayed data. The microprocessor is coupled to the display memory ‘ to generate a face display data and an enable signal according to the input signal. The electronic paper driving circuit is coupled to the display memory and the microprocessor, and the electronic paper driving circuit is activated according to the enabling signal, and generates a plurality of driving waveforms according to the displayed data to the electronic paper display panel, and then enters a standby state to make the electronic paper The display panel displays the data according to the display. In an embodiment of the invention, the microcontroller further includes a universal input and output interface, and the microprocessor receives the input signal through the universal input and output interface. In one embodiment of the invention, the input signal is generated by one of an external storage device, an input device, and a communication device. In an embodiment of the invention, the microcontroller further includes a voltage control circuit that adjusts the operating voltage to the driving voltage and outputs the driving voltage to the electronic paper driving circuit to cause the electronic paper driving circuit to generate the driving waveform according to the driving voltage. In one embodiment of the invention, the microprocessor controls the magnitude of the drive voltage output by the voltage control circuit via a voltage control word or voltage control bit. In an embodiment of the invention, the microcontroller further includes a power generating circuit that receives the power supply voltage and generates an operating voltage in accordance with the power supply voltage. In one embodiment of the invention, the supply voltage is provided by the battery or the coil is voltage coupled. In an embodiment of the invention, the electronic paper drive circuit comprises electronic paper
S 6 201243794 時序控制電路及電子紙輸出介面。電子紙時序控制電路輕 接顯不記憶體及微處理器，以依據致能信號而啟動，並依 據晝面顯示資料產生驅動波形後進入待機狀態。電子紙輸 出介面耦接電子紙時序控制電路及電子紙顯示面板，以^ 驅動波形傳送至電子紙顯示面板。 在本發明之一實施例中，微控制器更包括程式記憶 體，其耦接微處理器，用以儲存信號處理程式，微處理器 讀取信號處理程式，以對輸入信號進行處理後產生晝面顯 示資料及致能信號。 Γ 在本發明之一實施例中，程式記憶體為唯讀記憶體。 在本發明之一實施例中，顯示記憶體為雙口隨機存取 記憶體。 基於上述，本發明實施例中，提供了一種内建電子紙 驅動電路的微控制器’由於電子紙在微控制器斷電後仍可 保持晝面的顯示，因此可為各種配置顯示面板的應用下提 供較低電力消耗的選擇’並且精簡電路的元件個數及簡化 電路系統。 為讓本發明之上述特徵和優點能更明顯易懂，下文特 舉實施例，並配合所附圖式作詳細說明如下。 【實施方式】 圖1為依據本發明一實施例的微控制器的系統示意 圖。請參照圖1，在本實施例中’微控制器no適於驅動 電子紙顯示面板10’並且微控制器10〇包括通用輸入輸出 201243794 介面no、微處理器i2〇、顯示記憶體i3〇、電子紙驅動電 路140、程式記憶體15〇、電壓控制電路16〇及電源產生電 路170。其中，微處理器可以是4位元、8位元、16位元、 32位元或64位元的處理器，本發明的實施例不以此為限。 微處理器12〇耦接通用輸入輸出介面u〇、程式記憶 體150、顯示記憶體130及電子紙驅動電路14〇。微處理器 12〇透過通用輸入輸出介面110以接收來自電子裝置2〇的 輸入#號SIN。其中，電子裝置20可以為外部儲存裝置（例 如隨身碟）、輸入裝置（例如鍵盤、滑鼠）或通訊裝置（例 如WIFI接收器、藍牙接收器）。 程式記憶體150可以為唯讀記憶體，用以儲存信號處 理程式SPP及其他處理程式或應用程式。微處理器12〇讀 取程式§己憶體150的信號處理程式SPP，以依據信號處理 程式SPP對輸入信號SIN進行處理後產生晝面顯示資料 FDD，並且輸出致能信號EN至電子紙驅動電路14〇，其 中晝面顯示資料FDD傳送至並儲存於顯示記憶體13〇中。 電子紙驅動電路140會依據致能信號EN而啟動，而從顯 示記憶體130中讀取畫面顯示資料FDD。 電子紙驅動電路140會依據畫面顯示資料FDD產生 多個驅動波形DW至電子紙顯示面板1〇，以使電子紙顯示 面板10中的帶電粒子依據對應的驅動波形DW而移動， 進而使電子紙顯示面板10依據晝面顯示資料FDD進行顯 示。由於電子紙顯示面板10在畫面更新後即續持不變，因 此電子紙驅動電路140可在依據畫面顯示資料FDD產生多S 6 201243794 Timing control circuit and electronic paper output interface. The electronic paper timing control circuit is lightly connected to the memory and the microprocessor, and is activated according to the enable signal, and generates a driving waveform according to the data displayed on the side, and then enters a standby state. The electronic paper output interface is coupled to the electronic paper timing control circuit and the electronic paper display panel, and the drive waveform is transmitted to the electronic paper display panel. In an embodiment of the invention, the microcontroller further includes a program memory coupled to the microprocessor for storing the signal processing program, and the microprocessor reads the signal processing program to process the input signal to generate the defect. Display data and enable signals. In one embodiment of the invention, the program memory is read-only memory. In one embodiment of the invention, the display memory is a dual port random access memory. Based on the above, in the embodiment of the present invention, a microcontroller for a built-in electronic paper driving circuit is provided. Since the electronic paper can maintain the display of the face after the power is turned off, the application of the display panel can be used for various configurations. The choice of lower power consumption is provided 'and the number of components of the circuit is simplified and the circuit is simplified. The above described features and advantages of the present invention will become more apparent from the description of the appended claims. [Embodiment] FIG. 1 is a system diagram of a microcontroller according to an embodiment of the present invention. Referring to FIG. 1, in the present embodiment, 'the microcontroller no is suitable for driving the electronic paper display panel 10' and the microcontroller 10A includes the universal input/output 201243794 interface no, the microprocessor i2〇, the display memory i3〇, The electronic paper drive circuit 140, the program memory 15A, the voltage control circuit 16A, and the power generation circuit 170. The embodiment of the present invention is not limited thereto. The microprocessor may be a 4-bit, 8-bit, 16-bit, 32-bit or 64-bit processor. The microprocessor 12 is coupled to the input/output interface u, the program memory 150, the display memory 130, and the electronic paper drive circuit 14A. The microprocessor 12 transmits the input ##SIN from the electronic device 2 through the general-purpose input/output interface 110. The electronic device 20 can be an external storage device (such as a flash drive), an input device (such as a keyboard, a mouse), or a communication device (such as a WIFI receiver, a Bluetooth receiver). The program memory 150 can be a read-only memory for storing the signal processing program SPP and other processing programs or applications. The microprocessor 12 reads the signal processing program SPP of the program § 忆 体 150, and processes the input signal SIN according to the signal processing program SPP to generate the face display data FDD, and outputs the enable signal EN to the electronic paper drive circuit. 14〇, wherein the faceted display data FDD is transmitted to and stored in the display memory 13〇. The electronic paper drive circuit 140 is activated in response to the enable signal EN, and the picture display material FDD is read from the display memory 130. The electronic paper driving circuit 140 generates a plurality of driving waveforms DW to the electronic paper display panel 1 according to the screen display data FDD, so that the charged particles in the electronic paper display panel 10 move according to the corresponding driving waveform DW, thereby causing the electronic paper to be displayed. The panel 10 displays the data according to the face display data FDD. Since the electronic paper display panel 10 remains unchanged after the screen is updated, the electronic paper driving circuit 140 can generate more information according to the screen display data FDD.
S 8 201243794 -»uv / 個驅動波形DW後進入待機狀態， 以節省電力消耗。 在本發明的一實施例中，顯示記憶體130可以為單口 隨機存取^己憶體（即只有一組地址匯流排）。由於單口隨 ，存取記憶體不能同時寫入及讀取，因此微處理器12〇在 完整輸出晝面顯示資料FDD至顯示記憶體130後，才產生 致能信號EN ’以驅使電子紙驅動電路14〇讀取更新後的 晝面顯示資料FDD。其中，微處理器120可配置一致能暫 存器來控制致能信號五^[的產生。 在本發明的另一實施例中，顯示記憶體130可以為雙 口隨機存取記憶體（即有兩組地址匯流排，分別用以讀取 及寫入）。由於雙口隨機存取記憶體可同時寫入及讀取， 因此微處理器120在輸出晝面顯示資料FDD至顯示記憶體 130的時候’即可產生致能信號EN，以驅使電子紙驅動電 路140讀取更新後的晝面顯示資料fdd。藉此，可加速自 接收輸入信號SIN至更新電子紙顯示面板1〇在晝面所花 費的時間。 另一方面，微控制器110的電源產生電路17〇會接收 電源電壓VPOW，並依據電源電壓VPOW產生操作電壓 VOP ’其中電源電壓VPOW可以為電池BT所提供或線圈 CO經電壓耦合而產生。其中，電源產生電路17〇可通過 其内置升壓控制電路（未繪示）及相關的時序信號，使用 電容或電感將電源電壓VPOW調制後產生適於驅動電子 紙顯示面板10所需要的操作電壓VOP。 電壓控制電路160耦接電源產生電路，用以將操作電 201243794 壓VOP調整為驅動電壓VD後輸出至電子紙驅動電路 140’而電子紙驅動電路14〇依據驅動電麗vd及畫面顯示 資料刚產生驅動波形DW，其巾麵㈣魏_可内 建DC_DC轉換電路以依據操作電壓VOP產生驅動電壓 VD。驅動電壓VD可以為+M8伏特或+M5伏特，此依據 電子紙顯示面板10的特性而定，本發明實施例不以為限。 此外，微處理H12G#工作電壓大小與電子紙驅動電路14〇 等其他電路模組不同’其連接有1.5〜5V的電壓供岸（未 繪示）。 〜 一並且，微處理器120可配置一電壓控制暫存器（未繪 示）來控制驅動電壓VD的大小，亦即微處理_ 12〇可透 過設置電壓控㈣存n(未緣示）產生電壓控制字元vcw 或電壓控制位元VCB，以透過電壓控制字元vcw或電壓 控制位元VCB控制電壓控制電路16〇所輸出的驅動電壓 VD的大小。 進一步來說，電子紙驅動電路14〇包括電子紙時序控 制電路141及電子紙輸出介面143 ^電子紙時序控制電路 141耦接微處理器120、顯示記憶體13〇及電壓控制電路 160。當電子紙時序控制電路141依據致能信號ΕΝ而啟動 時，會從顯示§己憶體13〇中讀取畫面顯示資料fdd。電子 紙時序控制電路141會依據晝面顯示資料打^)決定驅動電 壓VD的輸出時序，藉此產生驅動波形Dw，並且電子紙 時序控制電路141在產生更新一個晝面所需的驅動波形 DW後即自行進入待機狀態。電子紙輸出介面143耦接電 201243794 子紙時序控制電路141另 形而傳送至電子_==面板1G，咖動波 驅動==明!施例中，提供了-種内建電子紙 保持書面㈣電子紙在微控制器斷電後仍可 '、 、”不，因此可為各種配置顯示面板的; =r=r擇，並且_路的元== 可保持.畫*的 電的狀態下，可長期伴:顯且顯不驅動介面斷 旦 抆肩保持顯不面板的顯示。而精簡的元件 數^、可撓性的電子—面板和較低電_特性使本發 明貫施例的微控制n可關裝在信用卡或電子標籤中等使 用了次性電池的產品。此外，本發明實施例的微控制器也 可以使用由外部線圈耦合而得到電源電壓。 雖然本發明已以實施例揭露如上，然其並非用以限定 本發明，任何所屬技術領域中具有通常知識者，在不脫離 本發明之精神和範圍内，當可作些許之更動與潤飾，故本 發明之保護範圍當視後附之_請專職圍所界定者為準。 【圖式簡單說明】 圖1為依據本發明一實施例的微控制器的系統示意 圖。 、、 【主要元件符號說明】 10 :電子紙顯示面板 11 201243794 20 :電子裝置 100 :微控制器 110 :通用輸入輸出介面 120 :微處理器 130 :顯示記憶體 140 :電子紙驅動電路 150 :程式記憶體 160 :電壓控制電路 170 :電源產生電路 SIN :輸入信號 FDD :畫面顯示資料 EN :致能信號 SPP :信號處理程式 VCW :電壓控制字元 VCB :電壓控制位元 DW :驅動波形 VD :驅動電壓 VOP :操作電壓 VPOW :電源電壓 BT :電池 CO :線圈S 8 201243794 -»uv / drive waveform DW and enter standby mode to save power consumption. In an embodiment of the invention, the display memory 130 can be a single-port random access memory (ie, only one set of address buss). Since the access memory cannot be simultaneously written and read by the single port, the microprocessor 12 generates the enable signal EN ' to drive the electronic paper driving circuit after the data FDD is displayed on the full output to the display memory 130. 14〇 Read the updated display data FDD. The microprocessor 120 can be configured with a consistent energy register to control the generation of the enable signal. In another embodiment of the present invention, the display memory 130 can be a dual port random access memory (i.e., there are two sets of address busses for reading and writing, respectively). Since the dual-port random access memory can be simultaneously written and read, the microprocessor 120 can generate the enable signal EN when the output data FDD is displayed to the display memory 130 to drive the electronic paper driving circuit. 140 reads the updated face display data fdd. Thereby, the time taken from receiving the input signal SIN to updating the electronic paper display panel 1 〇 can be accelerated. On the other hand, the power generating circuit 17 of the microcontroller 110 receives the power supply voltage VPOW and generates an operating voltage VOP' depending on the power supply voltage VPOW, wherein the power supply voltage VPOW can be generated for the battery BT or the coil CO is coupled by voltage. The power generating circuit 17 can use the built-in boost control circuit (not shown) and the associated timing signal to modulate the power supply voltage VPOW using a capacitor or an inductor to generate an operating voltage suitable for driving the electronic paper display panel 10. VOP. The voltage control circuit 160 is coupled to the power generation circuit for adjusting the operating voltage 201243794 to the driving voltage VD and outputting to the electronic paper driving circuit 140', and the electronic paper driving circuit 14 is generated according to the driving voltage vd and the screen display data. Driving waveform DW, its surface (four) Wei_ can be built-in DC_DC conversion circuit to generate driving voltage VD according to operating voltage VOP. The drive voltage VD may be +M8 volts or +M5 volts, depending on the characteristics of the electronic paper display panel 10, which is not limited by the embodiments of the present invention. In addition, the operating voltage of the microprocessor H12G# is different from that of other circuit modules such as the electronic paper driving circuit 14A, which is connected to a voltage of 1.5 to 5 V (not shown). 〜1, the microprocessor 120 can be configured with a voltage control register (not shown) to control the magnitude of the driving voltage VD, that is, the micro-processing _ 12 〇 can be generated by setting the voltage control (four) storage n (not shown) The voltage control word vcw or the voltage control bit VCB controls the magnitude of the driving voltage VD output by the voltage control circuit 16A through the voltage control word vcw or the voltage control bit VCB. Further, the electronic paper driving circuit 14 includes an electronic paper timing control circuit 141 and an electronic paper output interface 143. The electronic paper timing control circuit 141 is coupled to the microprocessor 120, the display memory 13A, and the voltage control circuit 160. When the electronic paper timing control circuit 141 is activated in accordance with the enable signal ,, the screen display material fdd is read from the display § memory 13 。. The electronic paper timing control circuit 141 determines the output timing of the driving voltage VD according to the display data, thereby generating the driving waveform Dw, and the electronic paper timing control circuit 141 generates the driving waveform DW required to update a side surface. That is, you enter the standby state by yourself. The electronic paper output interface 143 is coupled to the electricity 201243794. The sub-paper timing control circuit 141 is shaped and transmitted to the electronic _== panel 1G, the coffee wave drive == Ming! In the example, a built-in electronic paper is provided to keep the written (4) The electronic paper can still be ', ', not after the microcontroller is powered off, so the display panel can be configured for various configurations; =r=r is selected, and the element of the _ road is == can be maintained. Long-term companion: display and display of the interface does not drive the display of the panel. The reduced number of components, the flexible electronic panel and the lower electrical characteristics make the micro-control of the embodiment of the present invention. n can be used in a credit card or an electronic tag, etc., which uses a secondary battery. In addition, the microcontroller of the embodiment of the present invention can also use a power supply voltage coupled by an external coil. Although the present invention has been disclosed above by way of example, However, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. _Please define a full-time office BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic diagram of a system of a microcontroller according to an embodiment of the present invention. [, Main component symbol description] 10: Electronic paper display panel 11 201243794 20: Electronic device 100: Micro control 110: general-purpose input/output interface 120: microprocessor 130: display memory 140: electronic paper drive circuit 150: program memory 160: voltage control circuit 170: power generation circuit SIN: input signal FDD: screen display data EN: Energy signal SPP: Signal processing program VCW: Voltage control character VCB: Voltage control bit DW: Driving waveform VD: Driving voltage VOP: Operating voltage VPOW: Power supply voltage BT: Battery CO: Coil
12 S12 S