Overview
The ADUC848BSZ32-3 is a member of the MicroConverter® ADuC8xx family from Analog Devices Inc. This microcontroller integrates a high-performance, multichannel analog-to-digital converter (ADC) with a single-cycle 8052 core, making it a comprehensive smart transducer front end. The device is designed for applications requiring precise analog measurements and robust microcontroller functionality.
The ADUC848BSZ32-3 features a 16-bit Σ-Δ ADC, flexible input multiplexing, and various on-chip peripherals, including timers, serial interfaces, and a watchdog timer. It operates from a 32 kHz external crystal with an on-chip programmable PLL generating a high-frequency clock of up to 12.58 MHz. This device is suitable for a wide range of applications, including industrial instrumentation, data logging, and precision system monitoring.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Core Processor | 8052 | - | Single-cycle, 8051-compatible instruction set |
| Core Size | 8-Bit | - | - |
| Speed | 12.58 MHz | - | Maximum clock speed |
| Program Memory Size | 32 KB (32K x 8) | - | FLASH memory |
| EEPROM Size | 4 KB (4K x 8) | - | FLASH/EE data memory |
| RAM Size | 2304 bytes | - | User data RAM |
| Voltage Supply (Vcc/Vdd) | 2.7 V to 3.6 V or 4.75 V to 5.25 V | V | Operational voltage range |
| Operating Temperature | -40°C to +125°C | °C | Temperature range |
| Package Type | 52-Lead MQFP | - | Surface mount package |
| ADC Resolution | 16-Bit | - | Σ-Δ ADC resolution |
| ADC Channels | Up to 10 channels | - | Flexible input multiplexing |
| Serial Interfaces | UART, SPI, I2C | - | On-chip serial communication interfaces |
| On-chip Peripherals | POR, PSM, PWM, WDT, Temperature Sensor (ADuC845 only) | - | Various on-chip peripherals |
Key Features
- High-Performance ADCs: The ADUC848BSZ32-3 features a 16-bit Σ-Δ ADC with flexible input multiplexing, suitable for measuring wide dynamic range and low-frequency signals.
- Single-Cycle MCU: The device includes an optimized single-cycle 8052 core, offering up to 12.58 MIPs performance while maintaining 8051 instruction set compatibility.
- On-Chip Memory: It includes 32 KB of nonvolatile FLASH program memory, 4 KB of nonvolatile FLASH/EE data memory, and 2304 bytes of user data RAM.
- On-Chip Peripherals: The device features various on-chip peripherals such as timers, UART, SPI, I2C, watchdog timer, power supply monitor, and more.
- Power Management: The device supports normal, idle, and power-down modes, with low power consumption in power-down mode.
- Development Support: Supported by the QuickStart™ development system with low-cost software and hardware development tools.
Applications
- Multichannel Sensor Monitoring: Ideal for applications requiring multiple analog input channels, such as in industrial and environmental instrumentation.
- Industrial Instrumentation: Suitable for weigh scales, pressure sensors, and temperature monitoring.
- Portable Instrumentation: Used in battery-powered systems due to its low power consumption.
- Data Logging: Can be configured to provide up to 60 KB of nonvolatile data memory for data logging applications.
- Precision System Monitoring: Applicable in various precision measurement and monitoring systems.
Q & A
- What is the core processor of the ADUC848BSZ32-3?
The core processor is an 8052 core, which is an optimized single-cycle version of the 8051 core.
- What is the maximum clock speed of the ADUC848BSZ32-3?
The maximum clock speed is 12.58 MHz, generated by an on-chip programmable PLL from a 32 kHz external crystal.
- How much program memory does the ADUC848BSZ32-3 have?
The device has 32 KB of nonvolatile FLASH program memory.
- What types of serial interfaces are available on the ADUC848BSZ32-3?
The device features UART, SPI, and I2C serial interfaces.
- What is the operating temperature range of the ADUC848BSZ32-3?
The operating temperature range is -40°C to +125°C.
- What package type is the ADUC848BSZ32-3 available in?
The device is available in a 52-Lead MQFP surface mount package.
- How many ADC channels does the ADUC848BSZ32-3 support?
The device supports up to 10 ADC input channels with flexible input multiplexing.
- What are some of the on-chip peripherals available on the ADUC848BSZ32-3?
The device includes on-chip peripherals such as timers, power supply monitor, watchdog timer, and more.
- Is the ADUC848BSZ32-3 suitable for low-power applications?
Yes, the device has low power consumption in power-down mode, making it suitable for battery-powered systems.
- What development tools are available for the ADUC848BSZ32-3?
The device is supported by the QuickStart™ development system, which includes low-cost software and hardware development tools.
