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1 Anonymous Users
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Re: Wake UP from Hardware UART?
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初級會員
 
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During Sleep mode, all clocks to the EUSART are
suspended. Because of this, the Baud Rate Generator is inactive and a proper character reception cannot be performed. The Auto-Wake-up feature allows the controller to wake-up due to activity on the RX/DT line. This feature is available only in Asynchronous mode. The Auto-Wake-up feature is enabled by setting the WUE bit of the BAUDCTL register. Once set, the normal receive sequence on RX/DT is disabled and the EUSART remains in an Idle state, monitoring for a wakeup event independent of the CPU mode. A wake-up event consists of a high-to-low transition on the RX/DT line.
發表於: 2007/2/9 9:38
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Wake UP from Hardware UART?
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新會員
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1. How to wake up from Hardware UART RX pin?
2. Or May i implement the RX pin connect to RB pin(Use PORTB Interrupt on Change)?when start bit is low the MCU wake up and start receive RX? MCU : 18F8680
發表於: 2007/2/8 17:50
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