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參數資料
| 型號： | LC83010NE |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 7/18頁 |
| 文件大小： | 402K |
| 代理商： | LC83010NE |
LC83010N, 83010NE
No.3945–15/18
(3) ICE outline
The In-Circuit Emulator (ICE) provides an operating environment where the application program already checked by
the simulation debugger is executed and then outputs audio signals. The ICE functions can be divided into two: One is
the program evaluation by outputting audio signals only on the ICE. In this evaluation method, delay can be produced
by the DRAM in the ICE system. The other is the final program evaluation by connecting a user application board to
the ICE system. In this test method, the interfaces to the controlling microcomputer and other various peripheral ICs
on the application board can be evaluated. Figure A-8 shows the ICE system configuration for the entire evaluation
using a user application board.
Figure A-8. Final Evaluation System Configuration with an Application Board and ICE
ICE functions
The ICE has debugging functions.
The ICE consists of unique hardware functions specifically designed as the ICE for audio DSP.
(a) ICE debugging functions
(1) Execution command : Allows the program execution to continue until a break point is detected. It also enables
the program execution in the step mode or in the trace mode.
(2) Break function : Enables the user to set a desired break point.
(3) The edit dump command is useful in displaying the conditions of a specified memory area after the break of
program execution. The register edit command is used to convert the contents of a present specified register.
(4) The memory dump command is useful in displaying the contents of a specified memory area when the program
execution breaks. On the other hand, the edit command is used to edit the contents of a specified memory area
when the program execution breaks.
(5) Program modification and confirmation : Enables the user to modify part of the program and to check how it
works.
(6) Other functions : Memory management facility and so on. For details, refer the sections following section 8-3.
(b) Unique ICE hardware configuration
(1) Audio data input/output : Digital Interface Receiver (DIR).
This function allows direct input of audio digital data. Digital Interface Transmitter (DIT). This function allows
direct output of 3-channel digital audio data.
(2) DRAM : Delay DRAM for audio signal. 256k (64k
× 4 bits) × 2. 1M (256k × 4 bits) × 2
(3) Evaluation function of serial input/output : Z80 microcomputer for evaluating serial input/output. This control
unit makes an access to the D2SP instead of any controlling microcomputer to adjust the serial input/output
operations.
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| LC83015 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Digital Signal Processor for Audio Applications |
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| LC83020E | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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| LC83025E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Digital Signal Processor for Karaoke Products |
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