ADUC702 AD [Analog Devices], ADUC702 Datasheet - Page 2

• Manufacturer Part Number: ADUC702
• Description: Precision Analog Microcontroller 12-bit Analog I/O, ARM7TDMI MCU
• Manufacturer: AD [Analog Devices]

ADuC702x Series
TABLE OF CONTENTS
ADuC702x—Specifications ............................................................ 3
Terminology ...................................................................................... 6
Absolute Maximum Ratings............................................................ 7
Pin function descriptions .............................................................. 10
General Description ....................................................................... 19
ADC circuit information ............................................................... 26
Nonvolatile Flash/EE Memory ..................................................... 32
Ordering Guide............................................................................. 9
Overview of the ARM7TDMI core.......................................... 19
Memory organisation................................................................. 21
General Overview....................................................................... 26
ADC Transfer Function............................................................. 26
Typical Operation....................................................................... 27
Converter operation................................................................... 29
Driving the analog inputs.......................................................... 30
ADC Calibration ........................................................................ 30
Temperature Sensor ................................................................... 30
Bandgap Reference ..................................................................... 30
Flash/EE memory overview ...................................................... 32
Flash/EE Memory and the ADuC702x.................................... 32
Flash/EE memory security ........................................................ 32
Flash/EE Control Interface........................................................ 33
Execution time from SRAM and FLASH/EE ......................... 34
Rev. PrB | Page 2 of 80
Other analog peripherals............................................................... 37
Digital peripherals.......................................................................... 42
Processor reference peripherals.................................................... 65
ADuC702x Hardware Design considerations ............................ 75
Development Tools ........................................................................ 78
Outline Dimensions ....................................................................... 79
Reset and Remap ........................................................................ 36
DAC.............................................................................................. 37
Power Supply Monitor ............................................................... 39
Comparator ................................................................................. 39
Oscillator and PLL - Power control ......................................... 40
Three-phase PWM..................................................................... 42
General Purpose I/O.................................................................. 49
Serial Port Mux........................................................................... 52
Programmable Logic Array (PLA)........................................... 62
Interrupt System ......................................................................... 65
Timers .......................................................................................... 67
Power supplies ............................................................................ 75
Grounding and Board Layout Recommendations................. 75
Clock Oscillator .......................................................................... 76
Power-on reset operation .......................................................... 76
Typical sysem configuration ..................................................... 77
In-Circuit Serial Downloader................................................... 78
Preliminary Technical Data