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RT916143CX Datasheet A dedicated watchdog timer is available which can provide an interrupt, an event on an external pin, or a reset to the internal CPU in the event that software is not responding as expected. Write access to the watchdog is protected by control access keys to prevent corruption of the watchdog should an error condition occur. The device provides up to eight external interrupt pins, depending on the system RT916143CX Price
RT916143CX on stock OPERATIONAL DESCRIPTION Resetting The FIFO Upon power up, the FIFO must be initialized with a Reset cycle. (See Figure 2.) The states of Xl and FL are used during the reset cycle to determine the FIFO's mode of operation, as shown in Tables l and 2. For a valid reset cycle to occur, both the Read (R) and Write (W) signais must be HIGH tRSS prior to and tRSR after the rising edge of Reset (RS). The reset cycle initializes the FIFO to an empty condition, signified by the Empty Flag (EF) being LOW, active, and both the Half-Full (HF) and Full Flag (FF) being HIGH, inactive. |
