Overview
The ST10F269Z2Q3 is a 16-bit single-chip CMOS microcontroller from STMicroelectronics, part of the ST10 family. It is designed to offer high CPU performance, reaching up to 20 million instructions per second, along with extensive peripheral functionality and enhanced I/O capabilities. The device is processed in 0.35µm CMOS technology and is supplied with a single 5V voltage, while the MCU core and logic are regulated to 3.3V via an on-chip voltage regulator. It is upward compatible with the ST10F168, with several key enhancements including a Multiply/Accumulate unit for DSP functions, a new Flash control interface, and additional features like a Real Time Clock and programmable watchdog timer.
Key Specifications
| Parameter | Description |
|---|---|
| CPU Clock | Up to 40 MHz |
| Instruction Cycle Time | 50 ns at 40 MHz |
| Memory | 256K byte on-chip Flash memory, 100K erasing/programming cycles |
| Interrupt System | 16-priority-level interrupt system with 56 sources |
| Timers | Two multi-functional general purpose timer units with 5 timers each |
| A/D Converter | 16-channel 10-bit A/D converter, 4.85 µs conversion time at 40 MHz CPU clock |
| PWM Unit | 4-channel PWM unit |
| Serial Channels | Synchronous/Asynchronous serial channel, High-speed synchronous serial channel, Two CAN 2.0B interfaces |
| I/O Lines | Up to 111 general purpose I/O lines, individually programmable |
| Voltage Supply | Single voltage supply: 5V ±10%, embedded regulator for 3.3V core supply |
| Temperature Range | -40°C to +125°C |
| Package | 144-pin PQFP (Plastic Quad Flat Pack), 28 x 28 mm |
Key Features
- High-performance 16-bit CPU with a 4-stage pipeline and DSP functions through a Multiply/Accumulate unit.
- Enhanced Boolean bit manipulation facilities and additional instructions to support high-level languages and operating systems.
- Single-cycle context switching support.
- On-chip high-speed Flash memory with an embedded Erase/Program Controller.
- Two multi-functional general purpose timer units and two 16-channel capture/compare units.
- 16-channel 10-bit A/D converter with a conversion time of 4.85 µs at 40 MHz CPU clock.
- 4-channel PWM unit and various serial communication channels including CAN 2.0B interfaces.
- Programmable watchdog timer, oscillator watchdog, and on-chip bootstrap loader.
- Real Time Clock functionality and programmable I/O lines with selectable input thresholds.
Applications
The ST10F269Z2Q3 is suitable for a wide range of applications that require high CPU performance, extensive peripheral functionality, and robust I/O capabilities. These include:
- Automotive systems, such as engine control units, transmission control units, and body control modules.
- Industrial control systems, including motor control, power management, and automation.
- Consumer electronics, such as home appliances and multimedia devices.
- Medical devices that require precise control and monitoring.
- Embedded systems in various fields where high reliability and performance are critical.
Q & A
- What is the maximum CPU clock frequency of the ST10F269Z2Q3?
The maximum CPU clock frequency is up to 40 MHz.
- How much on-chip Flash memory does the ST10F269Z2Q3 have?
The device has 256K bytes of on-chip Flash memory.
- What is the conversion time of the A/D converter at 40 MHz CPU clock?
The conversion time is 4.85 µs.
- Does the ST10F269Z2Q3 support CAN communication?
- What is the temperature range for the ST10F269Z2Q3?
The temperature range is -40°C to +125°C.
- How many general purpose I/O lines does the ST10F269Z2Q3 have?
Up to 111 general purpose I/O lines.
- What type of package does the ST10F269Z2Q3 come in?
144-pin PQFP (Plastic Quad Flat Pack), 28 x 28 mm.
- Does the ST10F269Z2Q3 have a Real Time Clock function?
- Is the ST10F269Z2Q3 compatible with previous ST10 models?
- What is the purpose of the Multiply/Accumulate unit in the ST10F269Z2Q3?
The Multiply/Accumulate unit adds powerful DSP functions to the ST10 architecture.
