Overview
The uPSD3233B-40U6 is a sophisticated microcontroller from STMicroelectronics, part of the uPSD32xx series. This device integrates a fast 8-bit 8032 MCU core with a flexible memory structure, programmable logic, and a rich set of peripherals. It operates at a maximum clock frequency of 40 MHz at 5.0V and is designed for a wide range of embedded control applications. The microcontroller features dual Flash memories, SRAM, and various communication interfaces, making it an ideal choice for complex system designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Max Clock Frequency | 40 MHz | MHz |
| First Flash Memory | 128 KB | Bytes |
| Second Flash Memory | 32 KB | Bytes |
| SRAM | 8 KB | Bytes |
| GPIO Pins | 46 | Pins |
| Operating Voltage | 4.5 to 5.5 V | V |
| Operating Temperature | –40 to 85 °C | °C |
| Package Type | 80-pin TQFP | |
| USB Interface | USB v1.1, low-speed 1.5 Mbps, 3 endpoints | |
| I2C Interface | I2C Master/Slave bus controller | |
| UARTs | Two UARTs with independent baud rate | |
| PWM Outputs | 5 PWM outputs, 8-bit resolution | |
| A/D Converter | Four channels, 8-bit resolution, 10 µs |
Key Features
- Fast 8-bit 8032 MCU Core: Operates at up to 40 MHz at 5.0V and 24 MHz at 3.3V, with a 12-clock per instruction cycle.
- Dual Flash Memories: Two independent banks of Flash memory with read-while-write operation for in-application programming and EEPROM emulation. Each bank can be placed in either the 8032 program or data address space.
- Programmable Logic: 16 macrocells for implementing state machines, glue-logic, and other custom logic functions.
- Communication Interfaces: Includes USB v1.1 low-speed interface, I2C Master/Slave bus controller, two UARTs with independent baud rates, and six I/O ports.
- Clock, Reset, and Supply Management: Features normal, idle, and power-down modes, power-on and low-voltage reset supervisor, and a programmable watchdog timer.
- A/D Converter: Four channels with 8-bit resolution and a conversion time of 10 µs.
- Timers and Interrupts: Three 8032 standard 16-bit timers and 10 interrupt sources with two external interrupt pins.
- JTAG In-System Programming: Allows programming the entire device in as little as 10 seconds.
Applications
The uPSD3233B-40U6 is suitable for a variety of applications, including:
- Embedded Control Systems: Ideal for complex control systems requiring multiple interfaces and programmable logic.
- Industrial Automation: Can be used in industrial automation for controlling and monitoring various processes.
- Consumer Electronics: Suitable for consumer electronics that require USB connectivity and multiple peripheral interfaces.
- Medical Devices: Can be used in medical devices that need precise control and multiple communication interfaces.
- Automotive Systems: Applicable in automotive systems for control and monitoring functions.
Q & A
- What is the maximum clock frequency of the uPSD3233B-40U6?
The maximum clock frequency is 40 MHz at 5.0V and 24 MHz at 3.3V.
- What type of memory does the uPSD3233B-40U6 have?
The device features dual Flash memories (128 KB and 32 KB) and 8 KB of SRAM.
- Does the uPSD3233B-40U6 support USB?
Yes, it supports USB v1.1 low-speed interface with three endpoints.
- What is the operating voltage range of the uPSD3233B-40U6?
The operating voltage range is 4.5 to 5.5 V.
- What is the package type of the uPSD3233B-40U6?
The device is available in an 80-pin TQFP package.
- Does the uPSD3233B-40U6 have programmable logic?
Yes, it includes 16 macrocells for programmable logic.
- What communication interfaces are available on the uPSD3233B-40U6?
The device includes USB v1.1, I2C Master/Slave bus controller, two UARTs, and six I/O ports.
- Does the uPSD3233B-40U6 support in-system programming?
Yes, it supports JTAG in-system programming, allowing the entire device to be programmed in as little as 10 seconds.
- What is the resolution and conversion time of the A/D converter?
The A/D converter has a resolution of 8 bits and a conversion time of 10 µs.
- Is the uPSD3233B-40U6 still in production?
No, the uPSD3233B-40U6 is an obsolete product and is no longer manufactured.
