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ADUC7129BSTZ126-RL2 Datasheet(PDF) 2 Page - Analog Devices |
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ADUC7129BSTZ126-RL2 Datasheet(HTML) 2 Page - Analog Devices |
2 / 92 page ADuC7128/ADuC7129 Rev. 0 | Page 2 of 92 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 General Description ......................................................................... 3 Specifications..................................................................................... 4 Timing Specifications .................................................................. 8 Absolute Maximum Ratings.......................................................... 15 ESD Caution................................................................................ 15 Pin Configuration and Function Descriptions........................... 16 Typical Performance Characteristics ........................................... 21 Terminology .................................................................................... 24 ADC Specifications .................................................................... 24 DAC Specifications..................................................................... 24 Overview of the ARM7TDMI Core............................................. 25 Thumb Mode (T)........................................................................ 25 Long Multiply (M)...................................................................... 25 EmbeddedICE (I) ....................................................................... 25 Exceptions ................................................................................... 25 ARM Registers ............................................................................ 25 Interrupt Latency........................................................................ 26 Memory Organization ................................................................... 27 Flash/EE Memory....................................................................... 27 SRAM ........................................................................................... 27 Memory Mapped Registers ....................................................... 27 Complete MMR Listing............................................................. 28 ADC Circuit Overview .................................................................. 32 ADC Transfer Function............................................................. 32 Typical Operation....................................................................... 33 Converter Operation.................................................................. 36 Driving the Analog Inputs ........................................................ 37 Temperature Sensor ................................................................... 37 Band Gap Reference................................................................... 38 Nonvolatile Flash/EE Memory ..................................................... 39 Flash/EE Memory Overview..................................................... 39 Flash/EE Memory....................................................................... 39 Flash/EE Memory Security ....................................................... 40 Flash/EE Control Interface........................................................ 40 Execution Time from SRAM and FLASH/EE........................ 43 Reset and Remap ........................................................................ 44 Other Analog Peripherals.............................................................. 45 DAC.............................................................................................. 45 DDS .............................................................................................. 46 Power Supply Monitor ............................................................... 47 Comparator ................................................................................. 47 Oscillator and PLL—Power Control........................................ 49 Digital Peripherals.......................................................................... 51 PWM General Overview........................................................... 51 PWM Convert Start Control .................................................... 52 General-Purpose I/O ................................................................. 55 Serial Port Mux........................................................................... 57 UART Serial Interface................................................................ 57 Serial Peripheral Interface......................................................... 63 I2C-Compatible Interfaces......................................................... 65 I2C Registers ................................................................................ 65 Programmable Logic Array (PLA)........................................... 69 Processor Reference Peripherals................................................... 72 Interrupt System ......................................................................... 72 Timers .......................................................................................... 73 Timer0—Lifetime Timer........................................................... 73 Timer1—General-Purpose Timer ........................................... 75 Timer2—Wake-Up Timer......................................................... 77 Timer3—Watchdog Timer........................................................ 79 Timer4—General-Purpose Timer ........................................... 81 External Memory Interfacing ................................................... 83 Timing Diagrams ....................................................................... 84 Hardware Design Considerations ................................................ 87 Power Supplies ............................................................................ 87 Grounding and Board Layout Recommendations................. 87 Clock Oscillator .......................................................................... 88 Power-On Reset Operation....................................................... 8 9 Development Tools......................................................................... 90 In-Circuit Serial Downloader................................................... 90 Outline Dimensions ....................................................................... 91 Ordering Guide .......................................................................... 92 REVISION HISTORY 4/07—Revision 0: Initial Version |
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