ADUC7020BCPZ62I-RL Analog Devices Inc, ADUC7020BCPZ62I-RL Datasheet - Page 2

• Manufacturer Part Number: ADUC7020BCPZ62I-RL
• Description: IC,MICROCONTROLLER,16-BIT,ARM7 CPU,CMOS,LLCC,40PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Series: MicroConverter® ADuC7xxxr

Specifications of ADUC7020BCPZ62I-RL

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 44MHz
• Connectivity: EBI/EMI, I²C, SPI, UART/USART
• Peripherals: PLA, PWM, PSM, Temp Sensor, WDT
• Number Of I /o: 14
• Program Memory Size: 62KB (62K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 5x12b; D/A 4x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 40-LFCSP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADUC7020QSZ - KIT DEV ADUC7020 QUICK STARTEVAL-ADUC7020MKZ - KIT MINI DEV FOR ADUC7026/7027
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ADuC7019/20/21/22/24/25/26/27/28/29
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 3
General Description ......................................................................... 4
Specifications ..................................................................................... 6
Absolute Maximum Ratings .......................................................... 16
Pin Configurations and Function Descriptions ......................... 17
Typical Performance Characteristics ........................................... 31
Terminology .................................................................................... 34
Overview of the ARM7TDMI Core ............................................. 35
Memory Organization ................................................................... 37
ADC Circuit Overview .................................................................. 41
Detailed Block Diagram .............................................................. 5
Timing Specifications .................................................................. 9
ESD Caution ................................................................................ 16
ADuC7019/ADuC7020/ADuC7021/ADuC7022 .................. 17
ADuC7024/ADuC7025 ............................................................. 21
ADuC7026/ADuC7027 ............................................................. 24
ADuC7028 ................................................................................... 27
ADuC7029 ................................................................................... 29
ADC Specifications .................................................................... 34
DAC Specifications..................................................................... 34
Thumb Mode (T) ........................................................................ 35
Long Multiply (M) ...................................................................... 35
EmbeddedICE (I) ....................................................................... 35
Exceptions ................................................................................... 35
ARM Registers ............................................................................ 35
Interrupt Latency ........................................................................ 36
Memory Access ........................................................................... 37
Flash/EE Memory ....................................................................... 37
SRAM ........................................................................................... 37
Memory Mapped Registers ....................................................... 37
Transfer Function ....................................................................... 41
Typical Operation ....................................................................... 42
MMRs Interface .......................................................................... 42
Converter Operation .................................................................. 44
Driving the Analog Inputs ........................................................ 45
Rev. C | Page 2 of 96
Nonvolatile Flash/EE Memory ..................................................... 47
Other Analog Peripherals .............................................................. 52
Digital Peripherals .......................................................................... 57
Processor Reference Peripherals ................................................... 78
Hardware Design Considerations ................................................ 87
Development Tools......................................................................... 90
Outline Dimensions ....................................................................... 91
Calibration ................................................................................... 46
Temperature Sensor ................................................................... 46
Band Gap Reference ................................................................... 46
Programming .............................................................................. 47
Security ........................................................................................ 48
Flash/EE Control Interface ....................................................... 48
Execution Time from SRAM and Flash/EE ............................ 50
Reset and Remap ........................................................................ 50
DAC .............................................................................................. 52
Power Supply Monitor ............................................................... 53
Comparator ................................................................................. 53
Oscillator and PLL—Power Control ........................................ 54
3-Phase PWM ............................................................................. 57
Description of the PWM Block ................................................ 58
General-Purpose Input/Output................................................ 63
Serial Port Mux ........................................................................... 65
UART Serial Interface ................................................................ 65
Serial Peripheral Interface ......................................................... 69
I
Programmable Logic Array (PLA)........................................... 75
Interrupt System ......................................................................... 78
Timers .......................................................................................... 79
External Memory Interfacing ................................................... 83
Power Supplies ............................................................................ 87
Grounding and Board Layout Recommendations ................. 88
Clock Oscillator .......................................................................... 88
Power-On Reset Operation ....................................................... 89
Typical System Configuration .................................................. 89
PC-Based Tools ........................................................................... 90
In-Circuit Serial Downloader ................................................... 90
Ordering Guide .......................................................................... 94
2
C-Compatible Interfaces ......................................................... 71