C8051F931-G-GM

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Embedded - Microcontrollers

The C8051F931-G-GM is an 8-bit microcontroller manufactured by Silicon Labs. It is designed for use in embedded control applications such as home and commercial appliances, medical devices, industrial controllers, automotive systems and more. It is a short-range low-power model with varied features such as a 12-channel on-chip configurable 12/16-bit ADC, three-level programmable security and linear pulse width modulation (PWM) functions.

Customizable Microcontroller

The C8051F931-G-GM is an 80C51 based core with expandable ROM and RAM and several in-built programmable peripherals. Its ROM and RAM sizes can be adjusted from 32KB to 128KB, and from 1KB up to 16KB, respectively. In addition, the onboard Flash interface eliminates the use of loading device-specific program memory code. This allows the user to customize the C8051F931-G-GM according to the project\'s requirements instead of making hardware-specific changes.

Memory Options

The C8051F931-G-GM contains 64KB of on-chip flash memory and 256 bytes of read-only memory (ROM). The ROM stores the on-chip bootloader and system code, while the on-chip Flash is used to store user code, data and device-specific code. The C8051F931-G-GM supports up to 16KB of on-chip RAM to provide temporary storage of data and parameters. The microcontroller also features 1KB of non-volatile RAM to store permanent data and parameters.

Other Built-in Features

Other built-in features of the C8051F931-G-GM include on-chip oscillators, POR, external clock input, reset generator, system monitor, interrupt controller, external memory interface, and DMA controller enabling support for up to twelve DMA channels. The C8051F931-G-GM also has an on-chip 12/16-bit configurable 12-channel ADC, three-level programmable security levels and linear pulse width modulation (PWM) functions.

Interfaces

The C8051F931-G-GM supports several communication interfaces on-chip, such as I2C, SPI, and UART. The microcontroller also provides a full set of digital I/O ports. The C8051F931-G-GM features an on-chip voltage regulator, allowing it to operate at industrial and automotive standard voltages as well as providing step-up and step-down power regulation. The C8051F931-G-GM supports both 3.0 and 5.0 voltage levels.

Power Management

The C8051F931-G-GM has a low power consumption design. It supports up to 4 low power operating modes, which includes the Sleep and Idle Modes. The Sleep Mode reduces the device power consumption to a very low level, while the Idle Mode allows the device to continue to operate at a reduced voltage level. The C8051F931-G-GM also supports power-saving Power Management Unit (PMU) functions, such as automatic clock gating and dynamic power scaling.

Conclusion

The C8051F931-G-GM microcontroller from Silicon Labs offers a great choice for embedded control applications. It is well suited for applications such as home and commercial appliances, medical devices, industrial controllers, automotive systems and more. This microcontroller has an adjustable ROM and RAM to make it customizable, and an on-chip voltage regulator for operating at industrial and automotive standards. It also offers several communication interfaces and power-saving power management functions.

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