ADUC812 Precision Analog Microcontroller: 1.3MIPS 8052 MCU + 8kB Flash + 8-Ch 12-Bit ADC + Dual 12-Bit DAC

The ADuC812 MicroConverter® is a fully integrated 12-bit data acquisition system-on-a-chip. Like all of ADI's MicroConverter products, it features precision A/D & D/A conversion and a Flash microcontroller on a single chip.

The ADuC812 is available in 52-pin PQFP or 56-pin CSP packages and operates on a 3V or 5V power supply.

Features and Benefits

8-Channel, 5µs, Self-Calibrating, 12-Bit ADC
Two 12-Bit Rail-to-Rail Voltage-Output DACs
Industry Standard 8052 Microcontroller
8K-Byte In-Circuit Re-Programmable Flash Program Memory
640-Byte Read/Write Accessible Non-Volatile Flash Data Memory
Temperature Monitor

Voltage Reference, Serial Interface
Ports, Watchdog Timer, Power
Supply Monitor, etc
Embedded Download/Debug &
Emulation Features

Processors & DSP

8052 Core Products

Data Sheets

Document	note
ADuC812: MicroConverter®, Multichannel 12-Bit ADC with Embedded Flash MCU Data Sheet (Rev. F)	PDF 1276 kB
ADuC812: Errata Sheet (Rev. F2)	PDF 58 kB

Application Notes

Document	note
AN-282: Fundamentals of Sampled Data Systems	PDF 2131 kB
AN-660: XY-Matrix Keypad Interface to MicroConverter® (Rev. 0) AN-660 Accompanying Source Code	PDF 286 kB
AN-759: Expanding the Number of DAC Outputs on the ADuC8xx and ADuC702x Families (uC012) (Rev. 0) AN-759 Companion Code (zip, 3,464 bytes)	PDF 112 kB
AN-709: RTD Interfacing and Linearization Using an ADuC8xx MicroConverter&® (Rev. 0) AN-709 Accompanying Files (Tools and Source Code)	PDF 698 kB
AN-1074: Understanding the Serial Download Protocol (Formerly uC004) (Rev. 0)	PDF 245 kB
UC-005: ADuC812 ADC Software Calibration uC005 Files	PDF 110 kB
UC-018: Uses of the Time Interval Counter (Rev. prA) uC018 Files	PDF 632 kB
UC-003: The ADuC812 as an IEEE 1451.2 STIM uC003 Files	PDF 198 kB
UC-001: MicroConverter® I2C® Compatible Interface uC001 Files	PDF 126 kB
UC-020: Migrating to the ADuC831 from the ADuC812	PDF 52 kB
UC-016: Migrating to the ADuC832 from the ADuC812	PDF 53 kB
UC-009: Addressing 16MB of External Data Memory	PDF 173 kB
UC-006: A 4-wire UART-to-PC Interface uC006 Gerber File (1) uC006 Files uC006 Gerber Files (2)	PDF 157.71 K