ADUC847BCP8-5 AD [Analog Devices], ADUC847BCP8-5 Datasheet - Page 2

• Manufacturer Part Number: ADUC847BCP8-5
• Description: MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
• Manufacturer: AD [Analog Devices]

ADuC845/ADuC847/ADuC848
TABLE OF CONTENTS
Specifications..................................................................................... 4
Abosolute Maximum Ratings ....................................................... 10
Pin Configuration and Function Descriptions........................... 11
General Description ....................................................................... 15
Functional Description .................................................................. 20
Typical Performance Characteristics ........................................... 37
Functional Description .................................................................. 39
ESD Caution................................................................................ 10
8052 Instruction Set ................................................................... 18
Timer Operation......................................................................... 18
ALE............................................................................................... 18
External Memory Access ........................................................... 18
Complete SFR Map .................................................................... 19
8051 Instruction Set ................................................................... 20
Memory Organization ............................................................... 22
Special Function Registers (SFRs)............................................ 24
ADC Circuit Information.......................................................... 26
Auxiliary ADC (ADuC845 Only) ............................................ 32
Reference Inputs ......................................................................... 32
Burnout Current Sources .......................................................... 32
Reference Detect Circuit ........................................................... 33
Sinc Filter Register (SF) ............................................................. 33
Σ-∆ Modulator ............................................................................ 33
Digital Filter ................................................................................ 33
ADC Chopping........................................................................... 34
Calibration................................................................................... 34
Programmable Gain Amplifier ................................................. 35
Bipolar/Unipolar Configuration .............................................. 35
Data Output Coding .................................................................. 36
Excitation Currents .................................................................... 36
ADC Power-On .......................................................................... 36
Rev. A | Page 2 of 108
Hardware Design Considerations ................................................ 87
ADC SFR Interface..................................................................... 39
ADCSTAT (ADC Status Register) ........................................... 40
ADCMODE (ADC Mode Register)......................................... 41
ADC0CON1 (Primary ADC Control Register)..................... 43
ADC0CON2 (Primary ADC Channel Select Register) ........ 44
SF (ADC Sinc Filter Control Register) .................................... 46
ICON (Excitation Current Sources Control Register) .......... 47
Nonvolatile Flash/EE Memory Overview ............................... 48
Flash/EE Program Memory ...................................................... 49
User Download Mode (ULOAD)............................................. 50
Using Flash/EE Data Memory.................................................. 51
Flash/EE Memory Timing ........................................................ 52
DAC Circuit Information.......................................................... 53
Pulse-Width Modulator (PWM).............................................. 55
On-Chip PLL (PLLCON).......................................................... 60
I
SPI Serial Interface ..................................................................... 64
Using the SPI Interface .............................................................. 66
Dual Data Pointers ..................................................................... 67
Power Supply Monitor ............................................................... 68
Watchdog Timer......................................................................... 69
Time Interval Counter (TIC).................................................... 70
8052 Compatible On-Chip Peripherals................................... 73
Timers/Counters ........................................................................ 75
UART Serial Interface................................................................ 80
Interrupt System ......................................................................... 85
Interrupt Priority........................................................................ 86
Interrupt Vectors ........................................................................ 86
External Memory Interface....................................................... 87
Power Supplies............................................................................ 87
2
C Serial Interface ..................................................................... 61