STM6824MWY6F

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The STM6824MWY6F is a Supervisory integrated circuit (IC) for monitoring the power-on reset (POR) of the microcontroller. This IC is used to protect the microcontroller from potential damage during power-up and power-down operations. The primary application of the STM6824MWY6F is in microcontrollers and other embedded systems such as robotics, automotive, and communication systems.

The STM6824MWY6F is designed to maintain reset state over the full operating range of input to output voltages. It operates over a wide range of inputs (2.7V to 5.6V) and incorporates two independent power-on reset (V DD ) and power-down reset (VDD D ) outputs. This allows the IC to monitor two separate power supplies and manage reset operations accordingly. The power-on reset is triggered when the V DD input falls below its specified threshold, while the power-down reset is activated when the VDD D drops below its threshold. The reset outputs remain assertive until both the V DD and VDD D pins return to normal values.

The STM6824MWY6F also features extra protection circuitry like an adjustable time-out period and a power-on reset delay. The time-out period helps protect the microcontroller when VDD and VD D is out of range or when the microcontroller is already in a reset state. It blocks further requests to reset while preventing the microcontroller from entering a dead-lock situation. The adjustable time-out period ranges from 0ms to 400ms, providing flexibility when setting up reset signals.

The STM6824MWY6F also offers power-on reset delay and disable. This feature gives designers the ability to delay the reset signal until the MCU starts up and all the components are stable, thus preventing potential damage from power transients. This feature can also be disabled to allow reset signal transmission to the microcontroller as soon as the POR/PDR circuit detects an out-of-range voltage.

The STM6824MWY6F Supervisory IC is a valuable asset for embedded system designers and provides an extra layer of protection for microcontrollers. It ensures that reset signals are properly sent when power-on and power-down conditions are met. It also provides adjustable timeout period and reset delay/disable features to ensure that the microcontroller has time to stabilize and prevents potential damage due to transients.

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