C8051F574-IM

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The C8051F574-IM (Investor Manufacture) is an 8 - bit microcontroller from Silicon Labs that is used in embedded applications where power is crucial. This device is designed for low-power applications and features a low-power 8051 core, an extensive set of peripherals, and an integrated power management unit. With its integrated power management unit, the C8051F574-IM is able to maintain a wide range of low power modes and wake quickly from sleep mode.

Application Field

The C8051F574-IM is ideally suited for those applications such as portable systems, medical devices and other battery powered products, including a variety of smart cards and access control systems. Additionally, its integrated peripherals, robust on-chip memory, and flexible power management unit make it suitable for embedded control applications, like automotive systems and motor control systems, as well as the most demanding industrial control applications.

Working Principle

The C8051F574-IM features a low-power 8051 core that runs up to 24Mhz. The device also has a 16-bit internal clock that allows the system to complete tasks with minimal power consumption. On this device, all peripherals are tightly integrated so that power management can be achieved without the need of external components or external arbitration logic.

The integrated peripherals on the C8051F574-IM includes two UARTs, two SPI ports, three timer/counters, an RTC, an interrupt controller and several other I/O ports. The device also features 256 Kbytes of Flash program memory, 2.5 Kbytes of RAM, 2 Kbytes of EEPROM, as well as various boot options.

The on-chip power management unit of the C8051F574-IM is designed to allow the device to power up from sleep mode quickly. The device is able to enter sleep mode in any of its modes, including running, wait-for-interrupt, power-down and power-down-slice mode. The device can also enter power-down mode quickly. When the device is in power-down mode, it is still able to sense changes in external voltage and will remain in the current mode until such a change occurs.

The C8051F574-IM also includes low-power peripherals such as a low-power analog-to-digital converter (ADC) and low-power wakeup interrupt controller. Additionally, the device includes several low-power features, such as dynamic voltage scaling, intelligent configuration port (ICP) and a power optimization manager.

Overall, the C8051F574-IM is an excellent device for embedded applications, especially those involving low-power operations. The integrated power management unit, flexible peripherals, and wide range of low-power modes make this device suitable for applications that require quick wake-up from sleep mode, reduced power consumption, and robust performance.

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