ADUC847BSZ32-5 Analog Devices Inc, ADUC847BSZ32-5 Datasheet - Page 2
![IC,Data Acquisition CODEC,2-CHANNEL,QFP,52PIN,PLASTIC](/photos/6/65/66517/505-52-mqfp_sml.jpg)
ADUC847BSZ32-5
Manufacturer Part Number
ADUC847BSZ32-5
Description
IC,Data Acquisition CODEC,2-CHANNEL,QFP,52PIN,PLASTIC
Manufacturer
Analog Devices Inc
Series
MicroConverter® ADuC8xxr
Datasheet
1.EVAL-ADUC845QSZ.pdf
(108 pages)
Specifications of ADUC847BSZ32-5
Core Processor
8052
Core Size
8-Bit
Speed
12.58MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PSM, PWM, Temp Sensor, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
4.75 V ~ 5.25 V
Data Converters
A/D 10x24b; D/A 1x12b, 2x16b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
52-MQFP, 52-PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
EVAL-ADUC847QSZ - KIT DEV QUICK START FOR ADUC847
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADUC847BSZ32-5
Manufacturer:
Analog Devices Inc
Quantity:
10 000
ADuC845/ADuC847/ADuC848
TABLE OF CONTENTS
Specifications..................................................................................... 4
Abosolute Maximum Ratings ....................................................... 10
Pin Configurations 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. B | 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
ADC1CON (Auxiliary ADC Control Register) (ADuC845
Only) ............................................................................................ 45
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
2
C Serial Interface ..................................................................... 61