ADUC7023 Analog Devices, ADUC7023 Datasheet - Page 2

• Manufacturer Part Number: ADUC7023
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7023

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 20
• Adc # Channels: 12
• Other: PWM

ADuC7023
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications ..................................................................................... 5
Absolute Maximum Ratings .......................................................... 13
Pin Configurations and Function Descriptions ......................... 14
Typical Performance Characteristics ........................................... 17
Terminology .................................................................................... 18
Overview of the ARM7TDMI Core ............................................. 19
Memory Organization ................................................................... 21
ADC Circuit Overview .................................................................. 28
Nonvolatile Flash/EE Memory ..................................................... 36
Timing Specifications .................................................................. 8
ESD Caution ................................................................................ 13
ADC Specifications .................................................................... 18
DAC Specifications..................................................................... 18
Thumb Mode (T) ........................................................................ 19
Long Multiply (M) ...................................................................... 19
EmbeddedICE (I) ....................................................................... 19
Exceptions ................................................................................... 19
ARM Registers ............................................................................ 19
Interrupt Latency ........................................................................ 20
Memory Access ........................................................................... 21
Flash/EE Memory ....................................................................... 21
SRAM ........................................................................................... 21
Memory Mapped Registers ....................................................... 21
Transfer Function ....................................................................... 28
Typical Operation ....................................................................... 29
MMR Interface ............................................................................ 29
Converter Operation .................................................................. 32
Driving the Analog Inputs ........................................................ 33
Calibration ................................................................................... 33
Temperature Sensor ................................................................... 34
Band Gap Reference ................................................................... 35
Programming .............................................................................. 36
Security ........................................................................................ 37
Rev. B | Page 2 of 96
Other Analog Peripherals .............................................................. 43
Digital Peripherals .......................................................................... 50
I
Pulse-Width Modulator ................................................................. 70
Processor Reference Peripherals ................................................... 75
Hardware Design Considerations ................................................ 87
Development Tools......................................................................... 91
Outline Dimensions ....................................................................... 92
2
C ..................................................................................................... 58
Flash/EE Control Interface ....................................................... 37
Execution Time from SRAM and Flash/EE ............................ 40
Reset and Remap ........................................................................ 40
DAC .............................................................................................. 43
Power Supply Monitor ............................................................... 45
Comparator ................................................................................. 45
Oscillator and PLL—Power Control ........................................ 47
General-Purpose Input/Output................................................ 50
Serial Peripheral Interface ......................................................... 53
Configuring External Pins for I
Serial Clock Generation ............................................................ 58
I
I
Programmable Logic Array (PLA)........................................... 66
Pulse-Width Modulator General Overview ........................... 70
Interrupt System ......................................................................... 75
IRQ ............................................................................................... 75
Fast Interrupt Request (FIQ) .................................................... 76
Vectored Interrupt Controller (VIC) ....................................... 77
Timers .......................................................................................... 82
Power Supplies ............................................................................ 87
Grounding and Board Layout Recommendations ................. 88
Clock Oscillator .......................................................................... 88
Power-on Reset Operation ........................................................ 89
Typical System Configuration .................................................. 90
PC-Based Tools ........................................................................... 91
In-Circuit I
Ordering Guide .......................................................................... 93
2
2
C Bus Addresses ....................................................................... 58
C Registers ................................................................................ 59
2
C Downloader ....................................................... 91
2
C Functionality ................... 58