Overview
The MC9S12DG128VFUE is a 16-bit microcontroller from NXP USA Inc., part of the HCS12 family. This microcontroller is designed to provide an upward migration path from Freescale’s 68HC08, 68HC11, and 68HC12 architectures, offering larger memory, more peripherals, and higher performance. It features a high-performance 16-bit HCS12 CPU core, operating at 25 MHz with a minimum instruction cycle time of 40 ns. The MCU is opcode compatible with the 68HC11 and 68HC12, and its C-optimized architecture produces compact code. The device includes a dedicated serial debug interface, on-chip breakpoints, and real-time in-circuit emulation and debug capabilities.
Key Specifications
| Parameter | Specification |
|---|---|
| CPU Core | 16-bit HCS12 |
| Operating Frequency | 25 MHz |
| Flash Memory | 128 KB |
| RAM | 8 KB |
| EEPROM | 2 KB |
| Analog-to-Digital Converter (ADC) | Two 8-channel, 10-bit ADC |
| Serial Communication Interfaces | Two SPI, Two CAN 2.0 A/B, I2C |
| Pulse-Width Modulation (PWM) | 8-channel, 8-bit or 4-channel, 16-bit |
| Enhanced Capture Timer | 8-channel, 16-bit |
| Package Type | 80-QFP (14x14) |
| Operating Temperature Range | -40°C to +105°C |
Key Features
- High-Performance CPU Core: 16-bit HCS12 CPU core with 25 MHz bus operation and 40 ns minimum instruction cycle time.
- Analog-to-Digital Converters: Two 8-channel, 10-bit ADCs with 7 µs single conversion time and scan mode available.
- Serial Communication Interfaces: Includes two SPI, two CAN 2.0 A/B, and I2C interfaces for efficient data exchange.
- Pulse-Width Modulation (PWM): 8-channel, 8-bit or 4-channel, 16-bit PWM for motor control, battery charging, or digital-to-analog functions.
- Enhanced Capture Timer: 8-channel, 16-bit timer with input capture, output compare, and pulse accumulator.
- On-Chip Debug Interface: Dedicated serial debug interface with on-chip breakpoints and real-time in-circuit emulation and debug capabilities.
- Clock Generation Module with PLL: Programmable clock frequency with 1024 options, clock monitor, and self-clock mode.
Applications
- Automotive Applications: Suitable for various automotive control units, especially those requiring CAN-based communication.
- Industrial Control: Used in industrial control systems that demand high performance, multiple peripherals, and reliable communication interfaces.
Q & A
- What is the CPU core of the MC9S12DG128VFUE?
The CPU core is a 16-bit HCS12.
- What is the operating frequency of the MC9S12DG128VFUE?
The operating frequency is 25 MHz.
- How much flash memory does the MC9S12DG128VFUE have?
The device has 128 KB of flash memory.
- What types of serial communication interfaces are available on the MC9S12DG128VFUE?
The device includes two SPI, two CAN 2.0 A/B, and I2C interfaces.
- What is the resolution and number of channels of the ADC on the MC9S12DG128VFUE?
The device features two 8-channel, 10-bit ADCs.
- What is the package type and operating temperature range of the MC9S12DG128VFUE?
The package type is 80-QFP (14x14), and the operating temperature range is -40°C to +105°C.
- Does the MC9S12DG128VFUE support on-chip debugging?
Yes, it includes a dedicated serial debug interface with on-chip breakpoints and real-time in-circuit emulation and debug capabilities.
- What are some of the target applications for the MC9S12DG128VFUE?
The device is suitable for automotive applications and industrial control systems.
- How many channels of PWM does the MC9S12DG128VFUE support?
The device supports 8-channel, 8-bit or 4-channel, 16-bit PWM.
- What is the purpose of the Enhanced Capture Timer on the MC9S12DG128VFUE?
The Enhanced Capture Timer is an 8-channel, 16-bit timer with input capture, output compare, and pulse accumulator functions.
