Overview
The MC9S12A256CFUE557 is a 16-bit microcontroller from NXP USA Inc., part of the MC9S12A family. This microcontroller is built on the highly successful 68HC12 architecture and is designed to provide high performance, low power consumption, and excellent electromagnetic compatibility. It is particularly suited for applications requiring larger memory, more peripherals, and higher performance compared to its predecessors.
Key Specifications
| Specification | Details |
|---|---|
| CPU Core | 16-bit HCS12 CPU |
| Bus Operation | Up to 25 MHz at 5V |
| Flash Memory | 256 KB |
| RAM | 12 KB |
| EEPROM | 4 KB |
| Input/Output Lines | Up to 91 I/O lines |
| Serial Interfaces | 2 x SCI, 3 x SPI, I2C |
| PWM | 8-channel, 8-bit or 4-channel, 16-bit |
| Timer | 8-channel, 16-bit Enhanced Capture Timer |
| Package Options | 80 QFP, 112 LQFP |
| Temperature Range | -40°C to +85°C |
Key Features
- High-Performance CPU Core: The MC9S12A256 features a 16-bit HCS12 CPU core with opcode compatibility with the 68HC11 and 68HC12 architectures, ensuring compact code and high performance.
- Integrated Flash Memory: The microcontroller includes 256 KB of integrated Flash memory with fast programming and erase capabilities.
- On-Chip Debug Interface: It offers a dedicated serial debug interface with on-chip breakpoints and real-time in-circuit emulation and debug.
- Enhanced Capture Timer: An 8-channel, 16-bit timer with input capture, output compare, and pulse accumulator functions.
- PWM and Serial Interfaces: Supports 8-channel, 8-bit or 4-channel, 16-bit PWM and multiple serial interfaces including SCI, SPI, and I2C.
- Low Power Consumption and EMC Performance: Designed for low power consumption and excellent electromagnetic compatibility.
Applications
- Instrumentation: Suitable for various instrumentation applications due to its high precision and reliability.
- Energy Management: Used in energy management systems for efficient control and monitoring.
- Industrial Control: Ideal for industrial control applications requiring robust and reliable operation.
- Robotics: Applied in robotics for precise control and real-time processing.
- Safety and Security Equipment: Utilized in safety and security equipment due to its high performance and reliability.
Q & A
- What is the CPU core of the MC9S12A256CFUE557?
The MC9S12A256CFUE557 features a 16-bit HCS12 CPU core. - How much Flash memory does the MC9S12A256CFUE557 have?
The microcontroller has 256 KB of integrated Flash memory. - What are the package options for the MC9S12A256CFUE557?
The package options include 80 QFP and 112 LQFP. - What is the temperature range of the MC9S12A256CFUE557?
The temperature range is -40°C to +85°C. - Does the MC9S12A256CFUE557 support on-chip debugging?
Yes, it has a dedicated serial debug interface with on-chip breakpoints and real-time in-circuit emulation and debug. - What types of serial interfaces are supported by the MC9S12A256CFUE557?
The microcontroller supports SCI, SPI, and I2C serial interfaces. - How many I/O lines does the MC9S12A256CFUE557 have?
It has up to 91 I/O lines. - What are some of the key applications of the MC9S12A256CFUE557?
Key applications include instrumentation, energy management, industrial control, robotics, and safety and security equipment. - Does the MC9S12A256CFUE557 have integrated EEPROM?
Yes, it has 4 KB of integrated EEPROM. - What is the maximum bus operation frequency of the MC9S12A256CFUE557?
The maximum bus operation frequency is up to 25 MHz at 5V.
