Overview
The STMicroelectronics uPSD3334D-40U6 is a powerful and versatile microcontroller from the Turbo uPSD33xx Series. This device combines a fast 8-bit 8032 MCU core with advanced features such as programmable logic, dual Flash memories, and a rich set of peripherals. It is designed to optimize performance and flexibility, making it an ideal choice for a wide range of embedded control applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Flash Memory | 256K bytes (1st Flash) + 32K bytes (2nd Flash) | bytes |
| SRAM | 8K bytes | bytes |
| GPIO | 46 | - |
| Operating Voltage | 3.0 to 3.6V (PSD and MCU), 4.5 to 5.5V (PSD) | V |
| Operating Temperature | -40 to 85°C | °C |
| MCU Frequency | 1 to 40 MHz | MHz |
| Active Current (Typical) | 40mA (40MHz Crystal, Turbo mode at 25°C) | mA |
| Idle Current (Typical) | 16mA (40MHz Crystal divided by 2048 internally at 25°C) | mA |
| Standby Current (Typical) | 140µA (Power-down Mode) | µA |
| SRAM Backup Current (Typical) | 0.5µA (If external battery is attached) | µA |
| I/O Sink/Source Current | IOL = 8mA, IOH = -2mA (Ports A, B, C, and D) | mA |
| PLD Macrocells | 16 | - |
| Package Type | TQFP80 | - |
Key Features
- Fast 8-bit 8032 MCU Core: Operates at up to 40MHz with a 4-cycle instruction execution and a 6-byte instruction prefetch queue (PFQ) and a 4-entry fully associative branching cache (BC) for enhanced performance.
- Dual Flash Memories: 256K bytes of primary Flash and 32K bytes of secondary Flash, supporting In-Application Programming (IAP) and EEPROM emulation.
- Programmable Logic: Includes 16 macrocells for creating various glue-logic functions such as shifters, state machines, and chip-selects.
- Communication Interfaces: Features I2C Master/Slave controller, SPI Master controller, two UARTs with independent baud rates, and IrDA protocol support.
- A/D Converter: Eight channels with 10-bit resolution and a conversion time of 6µs.
- Timers and Interrupts: Three 8032 standard 16-bit timers, Programmable Counter Array (PCA) with six 16-bit modules, and 11 interrupt sources.
- Power Management: Includes normal, idle, and power-down modes, power-on and low-voltage reset supervisor, and a programmable watchdog timer.
- JTAG Debug and In-System Programming: Supports serial JTAG debug interface for code development and In-System Programming (ISP).
Applications
- Embedded Control Systems: Ideal for controlling various embedded systems due to its rich peripheral set and programmable logic.
- Industrial Automation: Suitable for industrial control applications requiring robust and reliable microcontrollers.
- Consumer Electronics: Can be used in consumer electronics such as appliances, remote controls, and other devices requiring advanced control and communication capabilities.
- Automotive Systems: Applicable in automotive systems for various control and monitoring functions.
- Medical Devices: Can be used in medical devices that require precise control and reliable operation.
Q & A
- What is the maximum operating frequency of the uPSD3334D-40U6 MCU?
The maximum operating frequency is 40MHz.
- How much Flash memory does the uPSD3334D-40U6 have?
The device has 256K bytes of primary Flash and 32K bytes of secondary Flash.
- What type of package does the uPSD3334D-40U6 come in?
The device comes in a TQFP80 package.
- Does the uPSD3334D-40U6 support In-System Programming (ISP)?
Yes, it supports ISP through the JTAG debug interface.
- What is the resolution of the A/D converter in the uPSD3334D-40U6?
The A/D converter has an 10-bit resolution.
- How many GPIO pins does the uPSD3334D-40U6 have?
The device has 46 GPIO pins.
- What are the operating voltage ranges for the uPSD3334D-40U6?
The operating voltage ranges are 3.0 to 3.6V for the MCU and 4.5 to 5.5V for the PSD.
- Does the uPSD3334D-40U6 have power management features?
Yes, it includes normal, idle, and power-down modes, as well as a power-on and low-voltage reset supervisor.
- What communication interfaces are available on the uPSD3334D-40U6?
The device features I2C, SPI, two UARTs, and IrDA protocol support.
- Can the uPSD3334D-40U6 be used in industrial automation applications?
Yes, it is suitable for industrial control applications due to its robust and reliable design.
