Overview
The ADUC848BSZ32-5 is a microcontroller from Analog Devices Inc., part of the ADuC848 series. This device is an 8-bit microcontroller with integrated multichannel 24-bit and 16-bit analog-to-digital converters (ADCs), making it suitable for a variety of precision measurement and control applications. It features an 8051-based core with a high-performance single-cycle instruction set, along with extensive on-chip memory and peripherals.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of ADC Channels | 10 | - |
| ADC Resolution | 24-bit (no missing codes), 22-bit rms (19.5 bit p-p) effective resolution | - |
| On-chip Flash/EE Program Memory | 62 kbytes | - |
| On-chip Flash/EE Data Memory | 4 kbytes | - |
| On-chip Data RAM | 2304 bytes | - |
| Processor Core | 8051-based core | - |
| Number of Timers/Counters | 3 × 16-bit timers/counters | - |
| Programmable I/O Lines | 24 programmable I/O lines, plus 8 analog or digital input lines | - |
| Interrupt Sources | 11 interrupt sources, two priority levels | - |
| Operating Voltage | 3 V nominal (2.7 V to 3.6 V) | V |
| Operating Temperature Range | −40°C to +125°C | °C |
| Package Type | 52-lead MQFP | - |
Key Features
- High-performance single-cycle 8051-compatible instruction set.
- Integrated 24-bit and 16-bit Σ-Δ ADCs with up to 10 ADC input channels.
- On-chip programmable PLL (up to 12.58 MHz), 32 kHz external crystal, and baud rate generator.
- 62 kbytes of on-chip Flash/EE program memory and 4 kbytes of on-chip Flash/EE data memory.
- 2304 bytes of on-chip data RAM.
- Dual 16-bit Σ-Δ DACs, 12-bit voltage output DAC, and dual excitation current sources.
- On-chip temperature sensor (available in ADuC845 model), time interval counter, UART, SPI, and I2C serial I/O.
- Watchdog timer, power supply monitor, and power-on reset circuit.
- Low power consumption: 4.8 mA max at 3.6 V in normal mode and 20 μA max in power-down mode.
Applications
- Multichannel sensor monitoring.
- Industrial and environmental instrumentation.
- Weigh scales, pressure sensors, and temperature monitoring.
- Portable instrumentation and battery-powered systems.
- Data logging and precision system monitoring.
Q & A
- What is the primary function of the ADUC848BSZ32-5? The ADUC848BSZ32-5 is an 8-bit microcontroller with integrated multichannel ADCs, designed for precision measurement and control applications.
- How many ADC channels does the ADUC848BSZ32-5 have? The device has up to 10 ADC input channels.
- What is the resolution of the ADCs in the ADUC848BSZ32-5? The ADCs have a 24-bit resolution with no missing codes and a 22-bit rms (19.5 bit p-p) effective resolution.
- What type of processor core does the ADUC848BSZ32-5 use? It uses an 8051-based core with a high-performance single-cycle instruction set.
- What is the operating voltage range of the ADUC848BSZ32-5? The operating voltage range is 2.7 V to 3.6 V (3 V nominal).
- What is the operating temperature range of the ADUC848BSZ32-5? The operating temperature range is −40°C to +125°C.
- What types of serial I/O interfaces are available on the ADUC848BSZ32-5? The device supports UART, SPI, and I2C serial I/O interfaces.
- Does the ADUC848BSZ32-5 have any on-chip memory? Yes, it has 62 kbytes of on-chip Flash/EE program memory, 4 kbytes of on-chip Flash/EE data memory, and 2304 bytes of on-chip data RAM.
- What are some of the key peripherals included in the ADUC848BSZ32-5? Key peripherals include dual 16-bit Σ-Δ DACs, a 12-bit voltage output DAC, dual excitation current sources, a watchdog timer, and a power supply monitor.
- What are some typical applications of the ADUC848BSZ32-5? Typical applications include multichannel sensor monitoring, industrial and environmental instrumentation, weigh scales, pressure sensors, temperature monitoring, portable instrumentation, and data logging.
