ST uPSD3234A uPSD3234BV uPSD3233B uPSD3233BV handbook

uPSD3234A/B, uPSD3233B/BV are fast flash programmable system devices with 8032 microcontroller core and 64 kbit SRAM.

Brand: STMicroelectronics
Category: microcontrollers
Document type: Datasheet
Language: English
Pages: 170
File format: PDF
File size: 1012 KB
Published: 11 June, 2012
Updated: 30 September, 2023
Models: UPSD3234A, UPSD3234BV, UPSD3233B, UPSD3233BV
MD5 checksum: 544DEADB7D225BA8328D1DCB2D0011D6
PDF: ST uPSD3234A uPSD3234BV uPSD3233B uPSD3233BV handbook PDF

About this manual

This document is a technical datasheet for the uPSD3233 and uPSD3234 Flash Programmable System Devices. These devices integrate an 8032 microcontroller core with 64 Kbit SRAM, dual flash memories, and programmable logic. Key features include a maximum clock speed of 40MHz, USB v1.1 support, I2C master/slave bus controller, and JTAG in-system programming capabilities.

What's inside

Features Summary
Architecture Overview
Memory Organization
Interrupt System
Power-Saving Modes
I/O Ports
Oscillator and Supervisory
Analog-to-Digital Converter
USB Hardware
JTAG In-System Programming

Specifications

Core Type	8032 Microcontroller Core
Max Clock Speed	40MHz at 5.0V
SRAM Size	64 Kbit
I/O Pins	Up to 46
Operating Voltage	3.0V to 5.5V
Packages	TQFP52, TQFP80

Frequently asked questions

What is the maximum clock frequency of the uPSD3234?

The uPSD3234 can operate at a maximum frequency of 40MHz when powered at 5.0V.

Does the device support in-circuit programming?

Yes, the device supports JTAG in-system programming, allowing the entire device to be programmed in as little as 10 seconds.

What communication interfaces are available?

The device includes USB v1.1, an I2C Master/Slave bus controller, two UARTs, and PWM outputs.

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