Overview
The MC9S12XDT256CAG is a high-performance 16-bit microcontroller from NXP Semiconductors, formerly Freescale Semiconductor. It belongs to the HCS12 series and is designed to deliver 32-bit performance with the efficiencies of a 16-bit MCU. This microcontroller is particularly targeted at automotive multiplexing applications, offering a robust set of features and peripherals that make it suitable for demanding automotive and industrial environments.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP Semiconductors / Freescale |
| Part Number | MC9S12XDT256CAG |
| Description | IC MCU 16BIT 256KB FLASH 144LQFP |
| Package / Case | 144-LQFP (20x20) |
| Voltage - Supply (Vcc/Vdd) | 2.35 V ~ 5.5 V |
| Speed | 80MHz |
| Series | HCS12X |
| RAM Size | 16K x 8 |
| Program Memory Type | FLASH |
| Program Memory Size | 256KB (256K x 8) |
| EEPROM Size | 4K x 8 |
| Core Size | 16-Bit |
| Core Processor | HCS12X |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Number of I/O | 119 |
| Peripherals | LVD, POR, PWM, WDT |
| Data Converters | A/D 24x10b |
| Connectivity | CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI |
Key Features
- High-Performance 16-Bit MCU: Delivers 32-bit performance with the efficiencies of a 16-bit MCU, making it ideal for automotive and industrial applications.
- Extensive Peripherals: Includes Low Voltage Detector (LVD), Power-On Reset (POR), Pulse Width Modulator (PWM), and Watchdog Timer (WDT) among others.
- Advanced Connectivity: Supports various communication protocols such as CAN, EBI/EMI, I²C, IrDA, LIN, SCI, and SPI.
- High-Speed Operation: Operates at a speed of up to 80MHz.
- Robust Memory: Features 256KB of FLASH program memory and 16K x 8 RAM, along with 4K x 8 EEPROM.
- Wide Operating Temperature Range: Functions within a temperature range of -40°C to 85°C.
- High-Resolution ADC: Includes a 24x10-bit Analog-to-Digital Converter.
Applications
The MC9S12XDT256CAG microcontroller is primarily targeted at automotive multiplexing applications. It is also suitable for various industrial and embedded systems that require high performance, reliability, and a wide range of peripherals. Some specific use cases include:
- Automotive control systems, such as engine control units, transmission control units, and body control modules.
- Industrial control systems, including motor control, process control, and automation.
- Embedded systems requiring advanced communication protocols and high-speed processing.
Q & A
- Q: What is the core processor of the MC9S12XDT256CAG microcontroller?
A: The core processor is the HCS12X, a 16-bit processor. - Q: What is the maximum operating speed of the MC9S12XDT256CAG?
A: The maximum operating speed is 80MHz. - Q: What is the program memory size of the MC9S12XDT256CAG?
A: The program memory size is 256KB (256K x 8). - Q: What are the supported communication protocols of the MC9S12XDT256CAG?
A: It supports CAN, EBI/EMI, I²C, IrDA, LIN, SCI, and SPI. - Q: What is the operating temperature range of the MC9S12XDT256CAG?
A: The operating temperature range is -40°C to 85°C. - Q: What type of package does the MC9S12XDT256CAG come in?
A: It comes in a 144-LQFP (20x20) package. - Q: How much RAM does the MC9S12XDT256CAG have?
A: It has 16K x 8 RAM. - Q: What is the EEPROM size of the MC9S12XDT256CAG?
A: The EEPROM size is 4K x 8. - Q: Does the MC9S12XDT256CAG support analog-to-digital conversion?
A: Yes, it includes a 24x10-bit Analog-to-Digital Converter. - Q: What are some typical applications of the MC9S12XDT256CAG?
A: It is used in automotive control systems, industrial control systems, and other embedded systems requiring high performance and advanced peripherals.
