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The MC9S08QD2CSC is an 8-bit microcontroller from Freescale Semiconductor (now part of NXP Semiconductors). Below are its key specifications, descriptions, and features:

Manufacturer:

Freescale Semiconductor (now NXP Semiconductors)

Specifications:

• Core: S08 (8-bit)
• CPU Speed: Up to 20 MHz
• Flash Memory: 2 KB
• RAM: 128 Bytes
• EEPROM: None
• Operating Voltage: 1.8V to 3.6V
• I/O Pins: 8 (Port A)
• Timers:
• One 2-channel 16-bit Timer/PWM (TPM)
• One 8-bit Real-Time Counter (RTC)
• Communication Interfaces:
• Serial Communication Interface (SCI)
• Serial Peripheral Interface (SPI)
• Analog Features:
• 4-channel, 10-bit ADC
• Operating Temperature Range: -40°C to +85°C
• Package: 8-pin SOIC (CSC)

Descriptions:

The MC9S08QD2CSC is a low-cost, low-power 8-bit microcontroller designed for simple embedded applications. It features Freescale’s S08 core with efficient code execution and low power consumption, making it suitable for battery-powered and space-constrained designs.

Features:

• Low Power Modes: Supports Wait, Stop3, and Stop2 modes for power savings.
• Clock Options: Internal oscillator (up to 20 MHz) and external clock support.
• Watchdog Timer (COP): Helps improve system reliability.
• Flexible Reset Sources: Power-on reset (POR), low-voltage detection (LVD), and external reset.
• Development Support: Compatible with Freescale’s CodeWarrior and Processor Expert tools.

This microcontroller is commonly used in consumer electronics, small appliances, sensors, and basic control applications.

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