Overview
The MC9S08QD4MSC is a cost-effective 8-bit microcontroller from NXP USA Inc., part of the S08 microcontroller family. This MCU is designed to provide design flexibility and integrated functionality, making it an ideal choice for various applications, particularly in small appliances and DC fans. It features an 8-bit S08 Central Processing Unit (CPU) with an HC08 instruction set and supports up to 32 interrupt/reset sources. The MC9S08QD4MSC operates within a supply voltage range of 2.7 to 5.5V and is backward object-code compatible with 68HC08 and 68HC05, allowing for the use of existing code libraries.
Key Specifications
| Specification | Details |
|---|---|
| Processor | 8-bit S08 CPU, 16 MHz at 5V |
| Instruction Set | HC08 with added BGND instruction |
| Memory | 4096 bytes of Flash, 256 bytes of RAM |
| ADC | 4-channel, 10-bit analog-to-digital converter with automatic compare function |
| Timers | One 1-channel and one 2-channel 16-bit timer |
| GPIO | Four general-purpose I/O pins, one input-only pin, and one output-only pin |
| Supply Voltage | 2.7 to 5.5V |
| Package Options | 8-pin SOIC, 8-pin PDIP |
| Operating Temperature | -40°C to +105°C (for VSC package) |
Key Features
- Integrated Third-Generation Flash Memory and RAM: The MCU features in-application reprogrammable flash memory and RAM, allowing for efficient and compact coding in assembly or C compiler.
- Programmable 16-bit Timer/PWM Module: Each channel can be used for input capture, output compare, edge-aligned PWM, or center-aligned PWM.
- 4-channel, 10-bit ADC: With automatic compare function, asynchronous clock source, temperature sensor, and internal bandgap reference channel.
- High-Current I/O and Software Selectable Pull-ups/ Pull-downs: Allows direct drive of LEDs and other circuits, reducing the need for external drivers and resistors.
- Single-Wire Background Debug Interface: Enables efficient debugging and development.
- System Protection: Includes flash block protection to secure code sections and prevent unauthorized access to memory.
Applications
- Small Appliances: Toasters, low-end microwaves, vacuum cleaners, etc..
- DC Fans and Cooling Systems: Efficient control for DC cooling fans and other cooling applications.
- Industrial Control: Used in industrial compressors, fan control, and AC voltage line monitors.
- Consumer Electronics: Camera zoom control, walkie-talkies, and security systems.
- Automotive and Motor Control: Digital Capacitive Discharge Ignition (CDI) for motorcycles and motor control applications.
Q & A
- What is the MC9S08QD4MSC microcontroller used for?
The MC9S08QD4MSC is used in various applications including small appliances, DC fans, industrial control, consumer electronics, and automotive systems.
- What is the operating voltage range of the MC9S08QD4MSC?
The operating voltage range is 2.7 to 5.5V.
- How much flash and RAM memory does the MC9S08QD4MSC have?
The MCU has 4096 bytes of flash memory and 256 bytes of RAM.
- What types of timers are available on the MC9S08QD4MSC?
The MCU features one 1-channel and one 2-channel 16-bit timer.
- Does the MC9S08QD4MSC support in-application reprogramming of flash memory?
Yes, the MCU supports in-application reprogramming of flash memory over the full operating voltage and temperature range.
- What is the purpose of the 4-channel, 10-bit ADC in the MC9S08QD4MSC?
The 4-channel, 10-bit ADC is used for analog-to-digital conversion with automatic compare function, asynchronous clock source, and an internal bandgap reference channel.
- What are the package options available for the MC9S08QD4MSC?
The MCU is available in 8-pin SOIC and 8-pin PDIP packages.
- Does the MC9S08QD4MSC have any system protection features?
Yes, it includes flash block protection to secure code sections and prevent unauthorized access to memory.
- What is the significance of the single-wire background debug interface in the MC9S08QD4MSC?
The single-wire background debug interface enables efficient debugging and development of the MCU.
- Can the MC9S08QD4MSC be used in high-temperature environments?
Yes, the MCU can operate in temperatures ranging from -40°C to +105°C (for VSC package).
