Overview
The ADUC842BSZ62-3 is a precision analog microcontroller produced by Analog Devices Inc. It is part of the ADuC841/ADuC842/ADuC843 series, which integrates a high-performance self-calibrating multichannel ADC, dual DACs, and an optimized single-cycle 8052 core microcontroller on a single chip. This device is designed as a pin-compatible upgrade to the ADuC812 and ADuC832, offering increased performance and additional features. The ADUC842 uses a 32 kHz crystal with an on-chip PLL to generate a programmable core clock up to 16.78 MHz, making it suitable for a wide range of applications requiring precise analog and digital processing.
Key Specifications
| Parameter | Value |
|---|---|
| Core Processor | 8052 (8-bit) |
| Core Speed | Up to 16.78 MHz |
| ADC | 8-channel, 12-bit, 420 kSPS |
| DAC | Dual 12-bit voltage output DACs |
| Memory | Up to 62 kBytes Flash/EE program memory, 4 kBytes Flash/EE data memory, 256 bytes RAM, 2 kBytes extended RAM |
| Connectivity | I2C, SPI, UART/USART |
| Package | 52-Lead MQFP (10mm x 10mm) |
| Operating Temperature | -40°C to 85°C |
Key Features
- High-performance self-calibrating multichannel ADC with 12-bit resolution and 420 kSPS sampling rate.
- Dual 12-bit voltage output DACs and 16-bit Σ-Δ DACs.
- Optimized single-cycle 8052 core microcontroller with up to 20 MIPS peak performance.
- In-circuit reprogrammable Flash/EE memory with 100-year retention and 100 kCycle endurance.
- On-chip peripherals include UART, I2C, SPI, watchdog timer, power supply monitor, and time interval counter.
- Enhanced I2C interface with repeated start, general call, and quad addressing.
- On-chip temperature monitor and power supply monitor.
- Single-pin emulation mode via the EA pin and non-intrusive emulation POD (USB-EA-CONVZ) for debugging.
Applications
The ADUC842BSZ62-3 is suitable for various applications requiring precise analog and digital processing, such as:
- Smart transducer front ends.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Embedded systems requiring high-performance analog-to-digital and digital-to-analog conversion.
Q & A
- What is the core processor of the ADUC842BSZ62-3?
The core processor is an 8052 (8-bit) microcontroller.
- What is the maximum core speed of the ADUC842BSZ62-3?
The maximum core speed is up to 16.78 MHz.
- What type of ADC does the ADUC842BSZ62-3 have?
The device has an 8-channel, 12-bit ADC with a sampling rate of 420 kSPS.
- What type of DACs are integrated into the ADUC842BSZ62-3?
The device includes dual 12-bit voltage output DACs and 16-bit Σ-Δ DACs.
- What is the memory configuration of the ADUC842BSZ62-3?
The device has up to 62 kBytes Flash/EE program memory, 4 kBytes Flash/EE data memory, 256 bytes RAM, and 2 kBytes extended RAM.
- What are the available communication interfaces on the ADUC842BSZ62-3?
The device supports I2C, SPI, and UART/USART interfaces.
- What is the package type of the ADUC842BSZ62-3?
The device is packaged in a 52-Lead MQFP (10mm x 10mm).
- What is the operating temperature range of the ADUC842BSZ62-3?
The operating temperature range is -40°C to 85°C.
- Does the ADUC842BSZ62-3 support in-circuit programming?
Yes, the device supports in-circuit reprogrammable Flash/EE memory.
- What debugging tools are available for the ADUC842BSZ62-3?
The device supports single-pin emulation mode via the EA pin and a non-intrusive emulation POD (USB-EA-CONVZ) for debugging.
