aduc814aru-reel7 Analog Devices, Inc., aduc814aru-reel7 Datasheet - Page 2

• Manufacturer Part Number: aduc814aru-reel7
• Description: Microconverter, Small Package 12-bit Adc With Embedded Flash Mcu
• Manufacturer: Analog Devices, Inc.

ADuC814
TABLE OF CONTENTS
Specifications..................................................................................... 4
Absolute Maximum Ratings............................................................ 9
Pin Configuration and Function Description ............................ 10
Terminology .................................................................................... 12
Typical Performance Curves ......................................................... 13
ADuC814 Architecture, Main Features ....................................... 16
ADC Circuit Information.............................................................. 21
Driving the ADC............................................................................. 25
ESD Caution.................................................................................. 9
ADC Specifications .................................................................... 12
DAC Specifications..................................................................... 12
Memory Organization ............................................................... 17
Overview of MCU-Related SFRs.............................................. 18
Special Function Registers ........................................................ 20
General Overview....................................................................... 21
ADC Transfer Function............................................................. 21
SFR Interface to ADC Block ..................................................... 22
ADCCON1 (ADC Control SFR 1) .......................................... 22
ADCCON2 (ADC Control SFR 2) .......................................... 23
ADCCON3 (ADC Control SFR 3) .......................................... 24
Voltage Reference Connections................................................ 26
Configuring the ADC ................................................................ 26
Initiating ADC Conversions ..................................................... 27
ADC High Speed Data Capture Mode .................................... 27
Accumulator SFR ................................................................... 18
B SFR........................................................................................ 18
Stack Pointer SFR ................................................................... 18
Data Pointer ............................................................................ 18
Program Status Word SFR..................................................... 18
Power Control SFR................................................................. 19
ADC Data Output Format .................................................... 21
Rev. A | Page 2 of 72
Nonvolitile Flash/EE Memory ...................................................... 30
User Interface to Other On-Chip ADuC814 Peripherals.......... 34
ADC Offset and Gain Calibration Overview ......................... 28
ADC Offset and Gain Calibration Coefficients ..................... 28
Calibrating the ADC .................................................................. 29
Initiating Calibration in Code .................................................. 29
Flash/EE Memory Overview .................................................... 30
Flash/EE Memory and the ADuC814...................................... 30
ADuC814 Flash/EE Memory Reliability................................. 30
Using Flash/EE Program Memory........................................... 31
Flash/EE Program Memory Security....................................... 31
Using Flash/EE Data Memory.................................................. 32
Flash/EE Memory Timing ........................................................ 33
DACs ............................................................................................ 34
On-Chip PLL .............................................................................. 37
Time Interval Counter (TIC).................................................... 38
Watchdog Timer......................................................................... 41
Power Supply Monitor ............................................................... 42
ADuC814 Configuration Register (CFG814) ........................ 43
Serial Downloading (In-Circuit Programming)................ 31
Parallel Programming............................................................ 31
Lock Mode .............................................................................. 31
Secure Mode ........................................................................... 31
Serial Safe Mode ..................................................................... 31
ECON—Flash/EE Memory Control SFR ........................... 32
Using the Flash/EE Memory Interface ................................ 33
Programming a Byte .............................................................. 33
Using the DACs ...................................................................... 35
Serial Peripheral Interface..................................................... 43
External Clock ........................................................................ 43