In SX Microcontrollers, SX/B Compiler and SX-Key Tool, transmon wrote:

Does any one have any advice on using the sleep command with the SX28 , I am using it to control a door lock and scan a keypad, want to put it to sleep and wake it up using the # key to wake up. Gunther Daubach says that you must use the RB I/0 in order  pull-down the I/0 pin, does it mater which pin you use? I'm not to clear on how the resistors are configured 1k and 10k  the 1k should go to Rb0 and then to VSS ? but if the rows are not being scanned how does this wake up the SX, also can you use the watchdog timmer with the sleep command, Thanks David

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