S912XEG384F1CAA

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S912XEG384F1CAA Application Field and Working Principle

The S912XEG384F1CAA is a 3.3V logic rail compatible, general-purpose microcontroller manufactured by Panasonic. Developed for industrial applications, the S912XEG384F1CAA is an ideal choice for comprehensive, cost-effective microcontroller solutions.

Features

• 16K Flash memory
• 256 Bytes RAM
• Real-time clock with calendar function
• 8-bit A/D converter
• Multiple power saving modes
• UART, SCI, and SPI bus interfaces
• 16-bit timer/counter module
• External interrupt controller with 4 external interrupts

Applications

The S912XEG384F1CAA is designed for use in a wide range of industrial applications. Its 16K of program memory, 8-bit A/D converter, and multiple power saving modes make it ideal for industrial controllers and other embedded systems. Additionally, its external interrupt controller makes it suitable for use in safety critical applications where reliable operation is paramount.

The S912XEG384F1CAA is also well-suited for applications such as industrial HMI systems, data acquisition, and motor control. With its wide range of features, the S912XEG384F1CAA offers many possibilities for creative, cost-effective device designs.

Working Principle

The S912XEG384F1CAA works on a basic 8-bit microcontroller architecture. All registers and system functions are mapped into a single address space. A simple 3-level, single-instruction pipeline is used to enable higher clock speeds. The CPU core can be operated at a maximum frequency of 20MHz.

The S912XEG384F1CAA incorporates an interrupt controller module to allow the CPU core to handle various hardware interrupts. It is capable of handling up to four external interrupts, enabling the CPU to respond quickly to external events by jumping to an interrupt service routine. Additionally, this microcontroller includes an on-chip voltage detector (OVD) and a clock frequency selector (CFS), allowing it to automatically adjust its clock speed according to the frequency and voltage of the system power supply.

The S912XEG384F1CAA also features a range of peripheral modules, including an A/D converter, a timer/counter, UART, SCI, and SPI bus interfaces. These on-chip peripherals are designed for high precision and flexibility. For example, the timer/counter module can be configured in many ways, from free-running to count-down timer, from single-channel to multi-channel, and from 8-bit to 16-bit wide.

The S912XEG384F1CAA also includes an on-chip brown-out reset (BOR) circuit, allowing the microcontroller to be protected from accidental powering-up with a low supply voltage. Additionally, the microcontroller includes multiple power saving modes to ensure efficient operation depending on the application requirements.

Conclusion

The S912XEG384F1CAA is a 3.3V logic rail compatible, general-purpose microcontroller designed for industrial applications. With its 16K of program memory, 8-bit A/D converter, multiple power saving modes, and a wide range of peripheral modules, the S912XEG384F1CAA is an ideal choice for comprehensive, cost-effective microcontroller solutions.

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