TWI235957B - Multi-driving device of touch panel - Google Patents

Abstract

This invention relates to a multi-driving device of touch panel, it particularly employs multiple work modes to drive various touch panels. The driver comprises a register, a work mode-setting unit, a X- or Y-axis data reader, an analog to digital converter, and a transmission interface. The register is used to set the multiple driving work modes of a driver. The work mode-setting unit is used to let the bit signals of the register be set to different work modes. The X- or Y-axis data reader is used to read the X-axis or Y-axis data of the touch panel. The analog to digital converter converts the analog signals of the X-axis or Y-axis to digital signals. The transmission interface transmits the digital signals to the microprocessor.

Description

1235957 V. Description of the invention (1) [Technical field to which the invention belongs] The present invention relates to a touch panel, in particular to a variety of operating modes with multiple operating mode driving devices to drive [prior art] The portable computer or screen uses a digital touch panel, so in addition to the keys to perform various functions, the operation can also be facilitated, allowing users to operate more generally. The touch panel needs to be used for functions, but it is currently available. There is only one type of driving electronics for a specific type of touch panel, which causes designers to consider and design in the way they design. According to this, how to develop a driving design can have a variety of driving devices can drive different types of touch panels, related to driving devices, driving devices, various touch panels. It is convenient and easy for users to use the mobile phone in addition to using the touch panel. With a driving device, the road is only driven by one kind, and the driving process can only use a display device to start the driving circuit in accordance with various functions by using the display screen. I can provide a way to consider, and the driver is the most important designer at the present time. [Inventive Content] Mai's main purpose of the present invention is to improve the drive unit. The single drive method Deletion, the absence of the absence of absent-mindedness drives jealousy to% 丄. 、 Catch for a touch-panel-style setting 箪 亓 仏 'Zai Zaofan cooperates with the work chess, and can provide 16 different work drives + cards. Your external planner can design the R master book, which can be easily set. & 4 o'clock has a variety of design considerations. 1235957 V. Description of the invention (2) [Embodiment] First, refer to "shown in Figure 1", which is the intention of the electric sample drive of the driving device of the present invention, as shown in the figure; the present invention is a kind of Touch panel multi-time green: ί 70, which mainly includes a temporary storage unit 10, an x, Y axis = equivalence unit 20, a work mode setting unit 30, an analog / digital early 40, and a Transmission interface unit 50. First, 'the temporary storage unit 10 is an 8-bit temporary storage device, including D ^ a); D6 (b) ^ Ds (c) ^ D3 (e) ^ D2 (f) .Di (g ) .D0 (h) Liyuan 'is used to provide the user with setting the working mode of the various driving devices 70. Wherein, the D? (A) ~ DJd) is a 4 bit setting bit n == used to set 16 working modes, and the signal line of the Oja) ~ D4 (d) is connected to The input terminal of the working mode setting unit 30; In addition, the D3 (e) ~ D2 (f) are a 2-bit γ-axis detection bit 12, which is used to provide a γ-axis setting 2 fixed 4 And the signals of the Dje) ~ Djf) are connected, and the y-axis data reading unit 20 input terminal of the y-axis data 22; and the Di (g) ~ DQ (h) are 2 bits The X-axis detection bit 13 is used to provide 40 detection lines with the same X-axis setting, and the D! (G) ~ DG (h) signals are connected to the X and ¥ axis body readings. X axis data of unit 2 0 2 1 input. In addition, the X and Y axis data reading unit 20 includes two sets of switching circuits 24, and X axis negative material 21 and Y axis data 2 2; the switching circuits 2 3, 2 4 12 are used to select X and γ axis detection lines; and 8

(I In addition, the working mode setting unit 30 has 8 bidirectional transmission lines, and the 8 bidirectional transmission lines include A ~

Ϊ235957

V. Description of the invention (3)), the 8-wire touch panel 8 (A, ~ H,) is connected to the 8-wire touch panel (R,-not shown in the figure) is an 8-wire touch panel Schematic diagram; on the other hand, ', eight early transmission lines include 1, J, K, L and 1 ^, N, 0, P two sets of lines connected to the X, Y axis data reading unit 2〇 The switching circuits 23 and 24 are electrically operated. In addition, a combination logic 32 俾 is set in the working mode setting unit 30. # it 线 / _ 工 器 32, whereby the combination logic circuit 31 and the multiplexer work. The bit signals of 1) 7 (a) ~ D4 (d) are set to 16 modes [shown in Fig. 3 and Fig. 4], which are obtained through the work of the present invention, ^ mod0 ^ mod15 〇 Two = =: = 401 transmits x-axis data 21 and γ-axis data 22 to the micro interface as early as 50.

It is emphasized that: The invention of the various driving devices 70, W control surface 80 can be used to drive the touch panel 80 in any lightning mode, and the touch panel is used as the surface J, and the present invention is only a Exemplifying the technical features of the eight-line solution of the present invention: Reality: ㈡ First, the example of Chiang Kai-shek's ten-pass yoke is explained as follows: ⑴ 川 11〇} ί = 8 bits Ma) ~ D. ⑻Set to what mode the invention works ~ = D ^ (a) ~ h (d) and other bits are used to set this

^ Γ7 (^ see Figure 4), let ， represent the working mode as MO, (30, through the internal and human, input to the working state of the working mode setting unit MOD13, ° two circuits 3: and 8-line multiplexer 32 calculates it as shown in the figure; when detecting the X axis, the bidirectional transmission line A ~ D

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II _ 1235957 V. Description of the invention (4)

The sense of PORT (interface) is all scanned (senSR Ϊ and = P〇RT (interface) state is 0Zΐί wheel-like path and 2 state; respectively, on the other hand, the axis time transmission = 5V, open PORT ^ (interface ) States are open circuit, 5ν two-way transmission line a ~ D out state, and M ~ p port (interface) of the North Energy Ratio Khan Road, 0v and the input is: the state (combined logic combination of two and different It is not the technical feature of the present invention. How can the p-state 32 be considered? The reason is: Please allow the present invention. Optional pendulum). Changing to decimal is i, which means that the gamma axis to be detected is {01} 2 detection line; and the Di (g),: select: select N, which is converted to decimal, that is, 表 2 means the Dl (g) ~ D. (h) has a bit of 10

When detecting the x-axis data 21 as the detection circuit table, the type of K is selected as the material: This is the same as the γ-axis data 22 H. 4 The "analog / digital single Fan 40 series will make the x-axis data 21-bit data transparent. The second pass is so-come 卽 Ϊ Ϊ It is transmitted to a microcomputer processing unit 60, and the data of the X and γ axes of the touch panel 80 can be known.) From the second: '丨 The present invention can use the temporary storage unit 10 The 4 bits D7⑷ ~ D4 (d. The user is set to 16 different working modes in the private ^ \ 1111 丨, which provides mobile devices. = Package B has a variety of driving methods to consider, instead of the traditional driving and driving methods. There is only one working mode, so that users can only consider 1235957 V. Invention description (5) Single driving method; D3 (e) ~ D2 (f) & D1 (g) ~ DG (h) are provided for use When detecting X and Y axis signals, there are 4 detection lines to choose from. When one of the detection lines is unavailable, D3 (e) ~ D2 (f) & Di (g) ~ DG ( h) bit setting, select other detection lines. However, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of implementation of the present invention. That is, any application according to the present invention The equal changes and modifications made in the patent scope are all covered by the patent scope of the invention.

1235957 Schematic illustration [Schematic description] Figure 1 is a schematic block diagram of the drive device of the present invention. Figure 2 is a schematic diagram of an 8-wire touch panel. Fig. 3 is the eight working modes (1) of the present invention after being set by the working mode setting unit. FIG. 4 is the eight working modes of the present invention after being set by the working mode setting unit. [Description of the symbols of the drawings] 10:: temporary storage unit 11 setting bit 12 Y-axis detection bit 13 X-axis detection bit 20 Read X, Y-axis data XJX3 Early morning 21 X-axis data 22 Y-axis data 23, 2, 4: Switching circuit 30 Working mode θ and fixed unit 31 Combination logic circuit 32 Multiplexer 40 Analog / digital XJTJ — · Early 50 Transmission interface unit 60 Microcomputer processing X3X3 — · Early Wu 70 Various driving devices 80 Touch panel

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Claims (1)

1235957 VI. Scope of patent application 1. A multi-driving device for a touch panel, which provides a driving device for driving various touch panels in various working modes. The driving device includes: a temporary storage unit for setting driving Various driving modes of the device; a working mode setting unit that receives the bit signal of the temporary storage unit, which is internally provided with a combination logic circuit and an array multiplexer, whereby the combination logic circuit and the multiplexer will store the The bit signal is set to different working modes; an X and γ axis data reading unit that receives the output signal of the receiving mode setting unit is used to read the X and Y axis data of the touch panel; a receiving X and Y axis data The analog / digital unit of the X and Y axis data of the reading unit is used to convert the analog signal of the X and Y axis into a digital signal; a transmission interface for receiving the digital signal of the X and Y axis of the analog / digital unit is early. 2. The various driving devices for the touch panel described in item 1 of the patent application scope, wherein the X and Y axis data reading unit includes two sets of switching circuits, as well as X axis data and Y axis data. 3. The various driving devices for the touch panel as described in item 1 of the scope of the patent application, wherein the working mode setting unit includes 8 bidirectional transmission lines and 8 unidirectional transmission lines, and the bidirectional transmission lines are connected to the touch panel. Line, and the one-way transmission line is connected to the X and Y axis data reading unit. Page 11