Overview
The ADUC842BCPZ62-5 is a precision analog microcontroller from Analog Devices Inc., designed as a pin-compatible upgrade to the ADuC812 and ADuC832 series. This microcontroller integrates a high-performance, self-calibrating multichannel ADC, dual 12-bit DACs, and an optimized single-cycle 8052 core MCU on a single chip. It offers enhanced performance, increased memory, and additional analog and digital functionalities, making it suitable for a wide range of applications requiring precise analog-to-digital and digital-to-analog conversions.
Key Specifications
| Parameter | Specification |
|---|---|
| Microcontroller Core | Optimized 8052 core, up to 20 MIPS peak performance |
| Clock Oscillator | 32 kHz external crystal with on-chip PLL generating a programmable core clock up to 16.78 MHz |
| ADC | 8-channel, 420 kSPS, 12-bit high accuracy ADC |
| DAC | Dual 12-bit voltage output DACs |
| Memory | Up to 62 kBytes nonvolatile Flash/EE program memory, 4 kBytes nonvolatile Flash/EE data memory, 256 bytes RAM, and 2 kBytes extended RAM |
| Package | 56-Lead LFCSP (8mm x 8mm w/ EP) |
| Serial I/O Ports | UART, I2C, and SPI |
| Other Peripherals | Watchdog timer, time interval counter, three timers/counters, dual output 16-bit PWM, and 16-bit Σ-Δ DACs |
| Voltage Reference | On-chip, 15 ppm/°C voltage reference |
Key Features
- High-performance, self-calibrating multichannel ADC and dual 12-bit DACs.
- Optimized single-cycle 8052 core MCU with up to 20 MIPS peak performance.
- On-chip peripherals include watchdog timer, time interval counter, three timers/counters, dual output 16-bit PWM, and 16-bit Σ-Δ DACs.
- Three serial I/O ports: UART, I2C, and SPI.
- In-circuit reprogrammable Flash/EE memory with 100-year retention and 100 kCycle endurance.
- Power supply monitor and band gap reference.
- Enhanced I2C interface with repeated start, general call, and quad addressing.
- On-chip factory firmware supports in-circuit serial download and debug modes via UART and single-pin emulation mode via the EA pin.
Applications
The ADUC842BCPZ62-5 is suitable for various applications requiring precise analog-to-digital and digital-to-analog conversions, such as:
- Smart transducer front ends.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- Embedded systems requiring high-performance analog and digital capabilities.
Q & A
- What is the core architecture of the ADUC842BCPZ62-5?
The ADUC842BCPZ62-5 features an optimized 8052 core MCU with up to 20 MIPS peak performance.
- What is the clocking mechanism of the ADUC842BCPZ62-5?
The ADUC842BCPZ62-5 uses a 32 kHz external crystal with an on-chip PLL generating a programmable core clock up to 16.78 MHz.
- What are the key analog components integrated into the ADUC842BCPZ62-5?
The device includes an 8-channel, 420 kSPS, 12-bit high accuracy ADC and dual 12-bit voltage output DACs.
- What memory options are available on the ADUC842BCPZ62-5?
The device offers up to 62 kBytes of nonvolatile Flash/EE program memory, 4 kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM, and 2 kBytes of extended RAM.
- What serial communication interfaces are supported by the ADUC842BCPZ62-5?
The device supports UART, I2C, and SPI serial I/O ports.
- Does the ADUC842BCPZ62-5 support in-circuit programming?
- What is the package type of the ADUC842BCPZ62-5?
The device is available in a 56-Lead LFCSP (8mm x 8mm w/ EP) package.
- What additional peripherals are integrated into the ADUC842BCPZ62-5?
The device includes a watchdog timer, time interval counter, three timers/counters, dual output 16-bit PWM, and 16-bit Σ-Δ DACs.
- Is the ADUC842BCPZ62-5 backward compatible with older models?
- What is the typical application area for the ADUC842BCPZ62-5?
The device is suitable for smart transducer front ends, industrial control systems, medical devices, automotive systems, and other embedded systems requiring high-performance analog and digital capabilities.
