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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DSPIC30F2010 датащи(PDF) 108 Page - Microchip Technology |
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DSPIC30F2010 датащи(HTML) 108 Page - Microchip Technology |
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108 / 202 page  dsPIC30F2010 DS70118J-page 108 © 2011 Microchip Technology Inc. 17.10 UART Operation During CPU Sleep and Idle Modes 17.10.1 UART OPERATION DURING CPU SLEEP MODE When the device enters Sleep mode, all clock sources to the module are shutdown and stay at logic ‘0’. If entry into Sleep mode occurs while a transmission is in progress, then the transmission is aborted. The UxTX pin is driven to logic ‘1’. Similarly, if entry into Sleep mode occurs while a reception is in progress, then the reception is aborted. The UxSTA, UxMODE, transmit and receive registers and buffers, and the UxBRG register are not affected by Sleep mode. If the WAKE bit (UxMODE<7>) is set before the device enters Sleep mode, then a falling edge on the UxRX pin will generate a receive interrupt. The Receive Interrupt Select mode bit (URXISEL) has no effect for this function. If the receive interrupt is enabled, then this will wake-up the device from Sleep. The UARTEN bit must be set in order to generate a wake-up interrupt. 17.10.2 UART OPERATION DURING CPU IDLE MODE For the UART, the USIDL bit selects if the module will stop operation when the device enters Idle mode, or whether the module will continue on Idle. If USIDL = 0, the module will continue operation during Idle mode. If USIDL = 1, the module will stop on Idle. |
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