Overview
The ADUC843BSZ62-3 is a precision analog microcontroller produced by Analog Devices Inc. This integrated circuit combines a high-performance 8-bit microcontroller with advanced analog functionality, making it a comprehensive solution for various embedded systems and industrial applications. The microcontroller is based on the 8052 architecture and features an optimized single-cycle 20 MHz core, offering up to 20 MIPS peak performance. It includes 62 kB of nonvolatile Flash/EE program memory, 4 kB of nonvolatile Flash/EE data memory, 256 bytes of RAM, and 2 kB of extended RAM. The device is designed to provide high accuracy and reliability, making it suitable for harsh environments and demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Core | 8-bit, 8052 compatible |
| Operating Frequency | Up to 20 MHz |
| Program Memory | 62 kB Flash/EE |
| Data Memory | 4 kB Flash/EE, 256 bytes RAM, 2 kB extended RAM |
| ADC Resolution | 12-bit, 8 channels |
| DAC Resolution | 12-bit, 2 channels (Note: ADUC843 has no analog DAC outputs) |
| Supply Voltage | 2.7V to 3.6V |
| Operating Temperature | -40°C to 85°C |
| Package Type | 52-Lead MQFP (10mm x 10mm) |
| Number of I/Os | 34 I/Os |
| Peripherals | DMA, PWM, Watchdog Timer, Time Interval Counter, Three Timers/Counters, SPI, I2C, UART |
Key Features
- Integrated 8-channel, 12-bit ADC and dual 12-bit DAC (Note: ADUC843 has no analog DAC outputs)
- Optimized single-cycle 20 MHz 8-bit MCU with 8052 instruction set compatibility
- 62 kB nonvolatile Flash/EE program memory and 4 kB nonvolatile Flash/EE data memory
- Low power consumption with a supply voltage range of 2.7V to 3.6V
- Wide operating temperature range of -40°C to 85°C
- Integrated peripherals including DMA, PWM, Watchdog Timer, and multiple serial interfaces (SPI, I2C, UART)
- On-chip factory firmware supports in-circuit serial download and debug modes
Applications
- Embedded systems
- Industrial automation
- Motor control
- Power management
- Sensor interfaces
Q & A
- What is the core architecture of the ADUC843BSZ62-3 microcontroller?
The ADUC843BSZ62-3 is based on the 8-bit, 8052 compatible microcontroller core. - What is the maximum operating frequency of the ADUC843BSZ62-3?
The maximum operating frequency is up to 20 MHz. - How much program memory does the ADUC843BSZ62-3 have?
The device has 62 kB of nonvolatile Flash/EE program memory. - What is the resolution of the ADC in the ADUC843BSZ62-3?
The ADC resolution is 12-bit, with 8 channels. - Does the ADUC843BSZ62-3 have analog DAC outputs?
No, the ADUC843 does not have analog DAC outputs. - What is the supply voltage range for the ADUC843BSZ62-3?
The supply voltage range is 2.7V to 3.6V. - What is the operating temperature range of the ADUC843BSZ62-3?
The operating temperature range is -40°C to 85°C. - What type of package does the ADUC843BSZ62-3 come in?
The device comes in a 52-Lead MQFP (10mm x 10mm) package. - What peripherals are integrated into the ADUC843BSZ62-3?
The device includes DMA, PWM, Watchdog Timer, Time Interval Counter, three Timers/Counters, and multiple serial interfaces (SPI, I2C, UART). - Is the ADUC843BSZ62-3 RoHS compliant?
Yes, the ADUC843BSZ62-3 is RoHS compliant.
