ADUC702X_1 AD [Analog Devices], ADUC702X_1 Datasheet - Page 2

• Manufacturer Part Number: ADUC702X_1
• 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 ............................................................... 25
Nonvolatile Flash/EE Memory ..................................................... 31
Ordering Guide............................................................................. 9
Overview of the ARM7TDMI core.......................................... 19
Memory organisation................................................................. 20
General Overview....................................................................... 25
ADC Transfer Function............................................................. 25
Typical Operation....................................................................... 26
Converter operation................................................................... 28
Driving the analog inputs.......................................................... 29
ADC Calibration ........................................................................ 29
Temperature Sensor ................................................................... 29
Bandgap Reference ..................................................................... 29
Flash/EE memory overview ...................................................... 31
Flash/EE Memory and the ADuC702x.................................... 31
Flash/EE memory security ........................................................ 31
Flash/EE Control Interface........................................................ 32
Execution time from SRAM and FLASH/EE ......................... 33
Rev. PrA | Page 2 of 78
Other analog peripherals............................................................... 36
Digital peripherals.......................................................................... 41
Processor reference peripherals.................................................... 63
ADuC702x Hardware Design considerations ............................ 73
Development Tools ........................................................................ 76
Outline Dimensions ....................................................................... 77
Reset and Remap ........................................................................ 35
DAC.............................................................................................. 36
Power Supply Monitor ............................................................... 38
Comparator ................................................................................. 38
Oscillator and PLL - Power control ......................................... 39
Three-phase PWM..................................................................... 41
General Purpose I/O.................................................................. 48
Serial Port Mux........................................................................... 50
Programmable Logic Array (PLA)........................................... 60
Interrupt System ......................................................................... 63
Timers .......................................................................................... 65
Power supplies ............................................................................ 73
Grounding and Board Layout Recommendations................. 73
Clock Oscillator .......................................................................... 74
Power-on reset operation .......................................................... 74
Typical sysem configuration ..................................................... 75
In-Circuit Serial Downloader................................................... 76
Preliminary Technical Data