ADUC842 Analog Devices, ADUC842 Datasheet - Page 2

• Manufacturer Part Number: ADUC842
• Description: Precision Analog Microcontroller: 16MIPS 8052 Flash MCU + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC842

• Mcu Core: 8052
• Mcu Speed (mips): 16
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

ADuC841/ADuC842/ADuC843
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 8
Pin Configurations and Functional Descriptions ........................ 9
Terminology .................................................................................... 11
Typical Performance Characteristics ........................................... 12
Functional Description .................................................................. 16
REVISION HISTORY
Revision 0: Initial Version
ESD Caution.................................................................................. 8
ADC Specifications .................................................................... 11
DAC Specifications..................................................................... 11
8052 Instruction Set ................................................................... 16
Other Single-Cycle Core Features ............................................ 18
Memory Organization ............................................................... 19
Special Function Registers (SFRs)............................................ 20
Accumulator SFR (ACC)........................................................... 21
Special Function Register Banks .............................................. 22
ADC Circuit Information.......................................................... 23
Calibrating the ADC .................................................................. 30
Nonvolatile Flash/EE Memory ................................................. 31
Using Flash/EE Data Memory .................................................. 34
User Interface to On-Chip Peripherals.................................... 38
On-Chip PLL............................................................................... 41
Rev. 0 | Page 2 of 88
Timing Specifications
Outline Dimensions ....................................................................... 86
Pulse-Width Modulator (PWM).............................................. 42
Serial Peripheral Interface (SPI)............................................... 45
I
Dual Data Pointer....................................................................... 51
Power Supply Monitor ............................................................... 52
Watchdog Timer......................................................................... 53
Time Interval Counter (TIC).................................................... 54
8052 Compatible On-Chip Peripherals................................... 57
Timer/Counter 0 and 1 Operating Modes.............................. 62
Timer/Counter Operating Modes............................................ 64
UART Serial Interface................................................................ 65
SBUF ............................................................................................ 65
Interrupt System ......................................................................... 70
Hardware Design Considerations ............................................ 72
Other Hardware Considerations.............................................. 76
Development Tools .................................................................... 77
QuickStart Development System ............................................. 77
Ordering Guides......................................................................... 87
2
C Compatible Interface........................................................... 48
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.................................................................. 78