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Description
The QT4C12-XSG is an IC chip in the 8-bit microcontroller unit (MCU) family, specifically the MC68HC08QY4 model. It is a low-cost, high-performance MCU with a Von Neumann architecture and enhanced M68HC08 central processor unit (CPU08). The chip is available with various memory sizes and types, modules, and package types and has both 5V and 3V operating voltages.
Specifications and features
- High-performance M68HC08 CPU core
- Fully upward-compatible object code with M68HC05 Family
- 8-MHz internal bus operation at 5 V, 4-MHz at 3 V
- Trimmable internal oscillator (3.2 MHz internal bus operation), 8-bit trim capability allows for 0.4% accuracy(1), and ± 25% untrimmed
- Auto wakeup from STOP capability
- Configuration (CONFIG) register for MCU configuration options, including: Low-voltage inhibit (LVI) trip point
- In-system FLASH programming with FLASH security(2)
- On-chip in-application programmable FLASH memory
- 128 bytes of on-chip random-access memory (RAM)
- 2-channel, 16-bit timer interface module (TIM)
- 4-channel, 8-bit analog-to-digital converter (ADC) on specific models
- 5 or 13 bidirectional input/output (I/O) lines and one input only
- 6-bit keyboard interrupt with wakeup feature (KBI)
- Low-voltage inhibit (LVI) module features: software-selectable trip point in CONFIG register
- System protection features: Computer operating properly (COP) watchdog, low-voltage detection with reset, illegal opcode detection with reset, illegal address detection with reset
- External asynchronous interrupt pin with internal pullup (IRQ) shared with general-purpose input pin
- Master asynchronous reset pin (RST) shared with general-purpose input/output (I/O) pin
- Power-on reset and power saving stop and wait modes
*Variations in specifications and features may occur depending on the model
Application Scenarios
The QT4C12-XSG chip is commonly used as a microcontroller in a variety of electronic devices including, but not limited to, appliances, automotive systems, medical devices, and consumer electronics.
Comparison
Advantages- Low-cost and high-performance
- Upward-compatible object code with M68HC05 Family
- Available with various memory sizes and types, modules, and package types
- Dual operating voltages
- Trimmable internal oscillator with high accuracy
- Auto wakeup from STOP capability
- In-system FLASH programming with FLASH security
- On-chip in-application programmable FLASH memory
- 128 bytes of on-chip random-access memory (RAM)
- Multiple input/output (I/O) lines
- Low-voltage inhibit (LVI) module features with configurable trip point
- System protection features including watchdog, low-voltage, illegal opcode/address detection with reset
- Master asynchronous reset pin shared with general-purpose I/O pin
- Power-on reset and power saving stop and wait modes
Disadvantages- May not be suitable for high performance applications requiring more than 8 bits
- May not have the specific modules or features required for certain applications
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Datasheet
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Additional Information
- Datasheet: Download QT4C12-XSG
- Chipdatas Part: CD89-QT4C12-XSG
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 17:21 +0800
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- Full or Partial Refund , If the item is not as described
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