MC9S08QG4CDTE

The MC9S08QG4CDTE is an NXP Freescale 8‑bit microcontroller in the S08QG4 family. It uses the HCS08 8‑bit core and is designed for small embedded control tasks with low power.
Key points
- Core: 8‑bit HCS08 microcontroller with simple, efficient instruction set.
- Memory: On‑chip flash for program code and RAM for data (sized for compact applications).
- Peripherals: ADC, timers, PWM, and common serial interfaces (UART/UART-like, SPI, I2C); watchdog and clock options.
- Power: Multiple low‑power modes for energy‑efficient operation.
- Debug/Programming: In‑system programming and debugging support (BDM/legacy tools); compatible with Freescale/NXP development tools.
- Package/Grade: CDTE suffix indicates packaging and automotive/industrial temperature range per datasheet.
Typical uses
- Small embedded control: sensors, actuators, motor control, consumer and automotive body electronics.
For exact specs (memory sizes, pin count, peripherals, voltage range) and toolchain support, consult the MC9S08QG4CDTE datasheet and user guide.

Key features of MC9S08QG4CDTE (HCS08 family):
- 8-bit HCS08 CPU core with low-power operation
- On-chip flash program memory with In-Circuit Programming
- RAM and optional EEPROM for data storage
- Analog peripherals: ADC with multiple channels and an analog comparator
- Timers: 16-bit timer(s) with PWM capability
- Serial communications: SCI (UART), SPI, and I2C interfaces
- Power management: multiple low-power modes with fast wake-up
- Interrupt system with prioritized sources
- Debug/Programming: In-Circuit Debug/BDM support for development
Note: exact memory sizes, peripheral counts, and package options vary by device variant; refer to the specific datasheet for precise specs.

20-pin SOIC package.

Pin count: 44 pins (LQFP package).
Function: Freescale/NXP MC9S08QG4CDTE is an 8-bit HCS08 microcontroller with 4 KB Flash memory, RAM, and onboard peripherals (SCI, SPI, I2C, ADCs, timers, etc.) for embedded control applications.

Manufacturer: NXP Semiconductors (the MC9S08QG4CDTE line originated from Freescale and is now part of NXP).
What kind of company: A global semiconductor company that designs and manufactures integrated circuits and microcontrollers for automotive, industrial, and consumer electronics.

MC9S08QG4CDTE is an 8-bit HCS08 MCU optimized for low cost and low power. Common applications include automotive body electronics (door modules, lighting, HVAC, instrument clusters), power management and small motor control, sensor interfacing and data acquisition, consumer electronics, and industrial automation. Its integrated ADC, timers, PWM and serial peripherals support signal processing, I/O expansion, and simple control loops in compact, energy-efficient designs.