Overview
The MC9S12D64VFU is a 16-bit microcontroller from the HCS12 family, originally developed by Motorola (now part of NXP Semiconductors). This microcontroller is designed to provide a high-performance solution for various applications, particularly in automotive and industrial control sectors. It is part of a pin-compatible family that scales from 32 KB to 512 KB of Flash memory, offering an upward migration path from earlier 68HC08, 68HC11, and 68HC12 architectures. The MC9S12D64VFU features Freescale’s industry-leading 0.25 µs Flash technology and supports multiple network modules, including CAN 2.0 A/B protocol, making it highly efficient for communications in networked environments.
Key Specifications
| Specification | Details |
|---|---|
| Processor Core | 16-bit HCS12 CPU Core |
| Flash Memory | 64 KB |
| RAM | 4 KB |
| EEPROM | 1 KB |
| Operating Temperature | -40°C to +105°C |
| Package Type | 80-pin QFP |
| Clock Frequency | Up to 25 MHz |
| Analog-to-Digital Converter (ADC) | Two 8-channel, 10-bit ADCs |
| Serial Communication Interfaces | SPI, I2C, CAN 2.0 A/B, Asynchronous serial communication |
| Pulse-Width Modulation (PWM) | 8-channel, 8-bit or 4-channel, 16-bit PWM |
| Enhanced Capture Timer | 8-channel, 16-bit with input capture, output compare, and pulse accumulator |
Key Features
- High-Performance CPU Core: 16-bit HCS12 CPU Core with 25 MHz bus operation at 5V for a minimum instruction cycle time of 40 ns.
- On-Chip Debug Interface: Dedicated serial debug interface with on-chip breakpoints, real-time in-circuit emulation, and the ability to read/write memory and registers while running at full speed.
- Network Modules: One msCAN module implementing the CAN 2.0 A/B protocol with five receive buffers and three transmit buffers per module.
- Integrated Flash Memory: 64 KB of Flash memory with fast programming capabilities, including fast Flash page erase and burst mode programming.
- Analog-to-Digital Converters (ADCs): Two 8-channel, 10-bit ADCs with a single conversion time of 7 µs and scan mode available.
- Clock Generation Module: Clock monitor with self-clock mode, programmable clock frequency, and real-time interrupt capabilities.
- Pulse-Width Modulation (PWM): 8-channel, 8-bit or 4-channel, 16-bit PWM supporting center-aligned operation for motor control, battery charging, or digital-to-analog (DAC) functions.
- Serial Communication Interfaces: SPI, I2C, CAN 2.0 A/B, and asynchronous serial communication interfaces.
Applications
- Automotive Applications: Suitable for various automotive control units (ECUs) due to its support for CAN 2.0 A/B protocol and robust communication capabilities.
- Industrial Control: Used in industrial control systems requiring high performance, multiple peripherals, and reliable communication interfaces.
Q & A
- What is the processor core of the MC9S12D64VFU?
The MC9S12D64VFU features a 16-bit HCS12 CPU Core.
- How much Flash memory does the MC9S12D64VFU have?
The MC9S12D64VFU has 64 KB of Flash memory.
- What is the operating temperature range of the MC9S12D64VFU?
The operating temperature range is -40°C to +105°C.
- What types of serial communication interfaces does the MC9S12D64VFU support?
The MC9S12D64VFU supports SPI, I2C, CAN 2.0 A/B, and asynchronous serial communication interfaces.
- What are the key features of the ADCs in the MC9S12D64VFU?
The MC9S12D64VFU has two 8-channel, 10-bit ADCs with a single conversion time of 7 µs and scan mode available.
- How does the clock generation module in the MC9S12D64VFU work?
The clock generation module includes a clock monitor with self-clock mode, programmable clock frequency, and real-time interrupt capabilities.
- What is the purpose of the Enhanced Capture Timer in the MC9S12D64VFU?
The Enhanced Capture Timer is an 8-channel, 16-bit timer with input capture, output compare, and pulse accumulator functions.
- Can the MC9S12D64VFU be used for motor control applications?
Yes, the MC9S12D64VFU supports motor control through its PWM capabilities, which include 8-channel, 8-bit or 4-channel, 16-bit PWM.
- What are the benefits of the on-chip debug interface in the MC9S12D64VFU?
The on-chip debug interface provides dedicated serial debug, on-chip breakpoints, real-time in-circuit emulation, and the ability to read/write memory and registers while running at full speed.
- Is the MC9S12D64VFU suitable for automotive applications?
Yes, it is highly suitable for automotive applications due to its support for CAN 2.0 A/B protocol and robust communication capabilities.
