Overview
The UPSD3234A-40U6T is a flash programmable system device produced by STMicroelectronics. This microcontroller integrates an 8-bit 8032 MCU, dual Flash memories, and various peripheral functions, making it a versatile component for a wide range of applications. It features a fast 8-bit MCU core, operating at up to 40 MHz at 5.0 V and 24 MHz at 3.3 V, and includes 256 KB of Flash memory, 32 KB of secondary Flash memory, and 8 KB of SRAM. The device also supports multiple communication interfaces, power-saving modes, and advanced interrupt handling.
Key Specifications
| Parameter | Value |
|---|---|
| Core | 8-bit 8032 MCU |
| Max. Clock Frequency | 40 MHz at 5.0 V, 24 MHz at 3.3 V |
| Primary Flash Memory | 256 KB |
| Secondary Flash Memory | 32 KB |
| SRAM | 8 KB |
| A/D Channels | 4 channels, 8-bit resolution |
| Communication Interfaces | USB v1.1, I2C, UARTs, PWM |
| GPIO | Up to 46 I/O pins |
| Supply Voltage | 4.5-5.5 V |
| Package Type | TQFP80 |
| Operating Temperature | –40°C to 85°C |
Key Features
- Fast 8-bit 8032 MCU core with up to 40 MHz clock frequency at 5.0 V and 24 MHz at 3.3 V.
- Dual Flash memories with read-while-write operation and single voltage program and erase capabilities.
- Programmable logic with 16 macrocells for implementing state machines and glue logic.
- Three 16-bit timers and 10 interrupt sources with two external interrupt pins.
- Four-channel 8-bit A/D converter with 10 µs conversion time.
- USB v1.1 interface, I2C master/slave bus controller, and two UARTs with independent baud rates.
- Six I/O ports with up to 46 I/O pins and 5 PWM outputs with 8-bit resolution.
- JTAG in-system programming for rapid device programming.
- Power-saving modes including idle and power-down modes.
Applications
The UPSD3234A-40U6T is suitable for a variety of applications that require advanced microcontroller capabilities, such as:
- Industrial automation and control systems.
- Consumer electronics requiring USB and other communication interfaces.
- Automotive systems needing robust and reliable microcontrollers.
- Medical devices that require precise analog-to-digital conversion and reliable communication.
- Embedded systems in IoT devices and smart home appliances.
Q & A
- What is the maximum clock frequency of the UPSD3234A-40U6T? The maximum clock frequency is 40 MHz at 5.0 V and 24 MHz at 3.3 V.
- How much Flash memory does the UPSD3234A-40U6T have? It has 256 KB of primary Flash memory and 32 KB of secondary Flash memory.
- What are the communication interfaces available on this device? The device supports USB v1.1, I2C, UARTs, and PWM outputs.
- How many A/D channels does the UPSD3234A-40U6T have? It has four A/D channels with 8-bit resolution.
- What is the operating temperature range of the UPSD3234A-40U6T? The operating temperature range is –40°C to 85°C.
- What package type is the UPSD3234A-40U6T available in? It is available in a TQFP80 package.
- Does the UPSD3234A-40U6T support JTAG in-system programming? Yes, it supports JTAG in-system programming.
- How many I/O pins does the UPSD3234A-40U6T have? It has up to 46 I/O pins.
- What are the power-saving modes available on this device? The device supports idle and power-down modes.
- What is the supply voltage range for the UPSD3234A-40U6T? The supply voltage range is 4.5-5.5 V.
