UPSD3212A-40T6

Microcontrollers Overview

The UPSD3212A-40T6 is a Flash programmable system device integrating an 8-bit 8032 microcontroller, USB v1.1 low-speed interface, and programmable logic within a TQFP52 package. It operates at a maximum clock frequency of 40 MHz with a supply voltage range of 4.5 V to 5.5 V. The device features 64 KB of first Flash memory, 16 KB of second Flash memory, and 2 KB of SRAM. It includes four 8-bit ADC channels, two UARTs, an I²C bus controller, five PWM outputs, and supports JTAG in-system programming.

Microcontrollers Feature Summary

• Integrates a fast 8-bit 8032 MCU core with dual Flash memory banks for flexible address space mapping and in-application programming.
• Includes a USB v1.1 low-speed interface with three endpoints suitable for HID class drivers.
• Features 16 macrocells of general-purpose programmable logic to implement state machines and glue logic.
• Supports JTAG in-system programming for rapid device configuration and manufacturing.

Microcontrollers Applications

• Embedded controllers requiring integrated USB connectivity
• In-application programming and EEPROM emulation systems
• Industrial control applications utilizing programmable logic

Microcontrollers Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pin compatibility and electrical specifications. Confirm that the component meets required environmental standards such as RoHS compliance before integration into final designs.

Microcontrollers Selection Notes

Select this component when a design requires a combined solution of an 8032-compatible microcontroller, USB communication, and programmable logic in a single package. Ensure the application fits within the 4.5 V to 5.5 V supply voltage range and utilizes the available GPIO and peripheral resources efficiently.

Microcontrollers Part Context

This device belongs to the UPSD321xx series from STMicroelectronics, which combines microcontroller capabilities with Programmable System Device (PSD) architecture. The series is designed to reduce external component count by integrating memory management, logic, and communication interfaces on-chip.

Microcontrollers Replacement Considerations

Consult the official datasheet for compatible alternatives within the UPSD321xx family, such as the UPSD3212C or UPSD3212CV variants, ensuring differences in USB presence and package type are evaluated.

Microcontrollers FAQ

What is the maximum operating speed of the MCU core?

The 8032 MCU core operates at a maximum frequency of 40 MHz at 5.0 V.

Does the UPSD3212A-40T6 include a USB interface?

Yes, it integrates a USB v1.1 low-speed interface with one Control endpoint and two Interrupt endpoints.

How many programmable logic macrocells are available?

The device contains 16 macrocells for implementing general-purpose logic functions.