ADUC7025BCPZ32-RL7 AD [Analog Devices], ADUC7025BCPZ32-RL7 Datasheet - Page 2

• Manufacturer Part Number: ADUC7025BCPZ32-RL7
• Description: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
• Manufacturer: AD [Analog Devices]

ADuC7019/20/21/22/24/25/26/27
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 ........................................... 27
Terminology .................................................................................... 30
Overview of the ARM7TDMI Core............................................. 31
Memory Organization ................................................................... 33
ADC Circuit Overview .................................................................. 37
Detailed Block Diagram .............................................................. 5
Timing Specifications .................................................................. 9
ESD Caution................................................................................ 16
ADuC7019/ADuC7020/ADuC7021/ADuC7022 .................. 17
ADuC7024/ADuC7025 ............................................................. 20
ADuC7026/ADuC7027 ............................................................. 23
ADC Specifications .................................................................... 30
DAC Specifications..................................................................... 30
Thumb Mode (T)........................................................................ 31
Long Multiply (M)...................................................................... 31
EmbeddedICE (I) ....................................................................... 31
Exceptions ................................................................................... 31
ARM Registers ............................................................................ 31
Interrupt Latency........................................................................ 32
Memory Access........................................................................... 33
Flash/EE Memory....................................................................... 33
SRAM ........................................................................................... 33
Memory Mapped Registers ....................................................... 33
Rev. A | Page 2 of 92
Nonvolatile Flash/EE Memory ..................................................... 43
Other Analog Peripherals.............................................................. 48
Digital Peripherals.......................................................................... 53
Processor Reference Peripherals................................................... 74
Transfer Function....................................................................... 37
Typical Operation....................................................................... 38
MMRs Interface.......................................................................... 38
Converter Operation.................................................................. 40
Driving the Analog Inputs ........................................................ 42
Calibration................................................................................... 42
Temperature Sensor ................................................................... 42
Band Gap Reference................................................................... 42
Programming.............................................................................. 43
Security ........................................................................................ 44
Flash/EE Control Interface ....................................................... 44
Execution Time from SRAM and Flash/EE............................ 46
Reset and Remap ........................................................................ 46
DAC.............................................................................................. 48
Power Supply Monitor ............................................................... 49
Comparator ................................................................................. 50
Oscillator and PLL—Power Control........................................ 51
Three-Phase PWM..................................................................... 53
General-Purpose Input/Output................................................ 60
Serial Port Mux........................................................................... 62
UART Serial Interface................................................................ 62
Serial Peripheral Interface......................................................... 65
I
Programmable Logic Array (PLA)........................................... 71
Interrupt System ......................................................................... 74
Timers .......................................................................................... 75
External Memory Interfacing ................................................... 79
2
C Compatible Interfaces ......................................................... 67