Voice programming and remote control test board
A technology of remote control and voice programming, which is applied in the direction of program control device, monitoring/monitoring/testing arrangement, line monitoring circuit, etc., can solve the problem of reduction, and achieve the effect of low cost, improved work efficiency, and complete functions
Inactive Publication Date: 2015-03-04
刘卓然 +2
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Problems solved by technology
[0003] In order to solve the problem that there are no special tools for telephone remote control project development, testing and learning, the present invention provides a voice programming and remote control test board, which has single-chip programming, voice chip programming and telephone line interface at the same time. And various status indication functions, using this voice programming, remote control test board can complete all programming and test tasks of remote control development tasks, and also solves the problem of repeatedly plugging and unplugging chips, and greatly reduces development costs. Fees and Trial Costs
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[0008] Voice programming and remote control test board is composed of ring current detection circuit, dual audio decoding circuit, single-chip microcomputer control circuit, audio recording and playback circuit, download line circuit, power supply circuit and output circuit. Centering on the 89S51 / 52 MCU control circuit, the ring current detection circuit is electrically connected to the P3.5 port of the MCU, the dual audio decoding circuit is electrically connected to P1.0~P1.3 and P3.3 of the MCU, and the recording and playback circuit is connected to the MCU The P0.0~P0.5 and P3.2 ports of the P0.0~P0.5 and P3.2 ports are electrically connected, the download line circuit is electrically connected with the P1.5~P1.7 and RST ports of the single-chip microcomputer, and the output circuit is electrically connected with the P2 port of the single-chip microcomputer.
[0009] The ring current detection circuit includes piezoresistor Rz, capacitor C1, resistor R1, light-emitting dio...
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The invention discloses a voice programming and remote control test board, which consists of a ringing current detection circuit, a two-tone decoding circuit, a singlechip control circuit, a recording and playback circuit, a downloading line circuit, a power circuit and an output circuit. The voice programming and remote control test board can be used for telephone remote control program personnel to write and debug 89S51 / 52-series singlechip programs and ISD1700-series voice chip programs and perform telephone remote control tests, and is a special tool for learners to systematically learn a telephone remote control theory.
Description
Technical field: [0001] The present invention is a tool for single-chip programming, testing and learning. It can be used by practitioners of telephone remote control projects to write and debug 89S51 / 52 series single-chip programs, ISD1700 series voice chip programs and conduct telephone remote control tests. It is also suitable for beginners A special tool for systematically learning the theory of remote control of telephones. Background technique: [0002] At present, the existing single-chip programming tools on the market mainly include programmers, test boards and multi-function emulators. The existing single-chip programming tools are almost all general-purpose tools, rather than tailor-made for a specific single-chip development task. Custom-made special products lack special function interfaces and special status displays. For example, when conducting remote control project tests, we need a single-chip programming function, voice chip programming function, telephone...
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IPC IPC(8): G06F9/455H04M3/22H04M1/82
Inventor 刘卓然金璐金海亮
Owner 刘卓然