Tait TB9100 Service Manual
Also see for TB9100: Installation and operation manualUser manualInstallation and operation manualInstallation and operation manualOperation manual
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Contents
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TB9100 Reciter Service Manual Digital Circuitry 25© Tait Electronics Limited January 20063.3 Reduced Instruction Set Computer (RISC)Refer to Figure 3.2 on page 26.3.3.1 Hardware and I/OThe RISC processor engine is a Samsung S3C3410X processor with a40MHz external clock. It has 4 megabytes of flash memory containing thefollowing: bootloader application code DSP code non-volatile data 2 megabytes of RAM for run-time variables.The discrete digital inputs and outputs are as follows: chip select signals to synthesizers out-of-lock signals from synthesizers external reference detection internal/external reference selection Rx Gate output Tx Relay output reciter hex switch reciter alarm LED DIP switch for manufacturing testing debug LEDs fan good input flash programming voltage control.The RISC has the following serial interfaces: asynchronous serial port for communication with the CCS software andCCTM serial peripheral interface (SPI) for programming the synthesizers SPI for communication with the network PCB I 2 C for communication with the control panel and other modules in thesubrack. |
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