Datasheet

ADuC7060/ADuC7061 Data Sheet
Rev. D | Page 2 of 108
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 3
Functional Block Diagram .............................................................. 4
Specifications ..................................................................................... 5
Electrical Specifications ............................................................... 5
Timing Specifications ................................................................ 10
Absolute Maximum Ratings .......................................................... 14
ESD Caution ................................................................................ 14
Pin Configurations and Function Descriptions ......................... 15
Terminology .................................................................................... 20
Overview of the ARM7TDMI Core ............................................. 21
Thumb Mode (T) ........................................................................ 21
Multiplier (M) ............................................................................. 21
EmbeddedICE (I) ....................................................................... 21
ARM Registers ............................................................................ 21
Interrupt Latency ........................................................................ 22
Memory Organization ............................................................... 22
Flash/EE Control Interface ........................................................ 23
Memory Mapped Registers ....................................................... 27
Complete MMR Listing ............................................................. 28
Reset ............................................................................................. 33
Oscillator, PLL, and Power Control ............................................. 34
Clocking System ......................................................................... 34
Power Control System................................................................ 34
ADC Circuit Information .............................................................. 38
Reference Sources ....................................................................... 39
Diagnostic Current Sources ...................................................... 39
Sinc3 Filter ................................................................................... 40
ADC Chopping ........................................................................... 40
Programmable Gain Amplifier ................................................. 40
Excitation Sources ...................................................................... 40
ADC Low Power Mode .............................................................. 40
ADC Comparator and Accumulator ....................................... 41
Temperature Sensor ................................................................... 41
ADC MMR Interface ................................................................. 41
Example Application Circuits ................................................... 54
DAC Peripherals ............................................................................. 56
DAC .............................................................................................. 56
MMR Interface ............................................................................ 56
Using the DAC ............................................................................ 57
Nonvolatile Flash/EE Memory ..................................................... 58
Flash/EE Memory Reliability .................................................... 58
Programming .............................................................................. 58
Processor Reference Peripherals ................................................... 59
Interrupt System ......................................................................... 59
IRQ ............................................................................................... 59
Fast Interrupt Request (FIQ) .................................................... 60
Programmed Interrupts............................................................. 61
Vectored Interrupt Controller (VIC) ....................................... 61
VIC MMRs .................................................................................. 61
Timers .............................................................................................. 66
HR:MIN:SEC: 1/128 Format..................................................... 66
Timer0.......................................................................................... 67
Timer1 or Wake-Up Timer ....................................................... 69
Timer2 or Watchdog Timer ...................................................... 71
Timer3.......................................................................................... 73
Pulse-Width Modulator ................................................................. 75
Pulse-Width Modulator General Overview ........................... 75
UART Serial Interface .................................................................... 80
Baud Rate Generation ................................................................ 80
UART Register Definitions ....................................................... 80
I
2
C ..................................................................................................... 86
Configuring External Pins for I
2
C Functionality ................... 86
Serial Clock Generation ............................................................ 87
I
2
C Bus Addresses ....................................................................... 87
I
2
C Registers ................................................................................ 87
Serial Peripheral Interface ............................................................. 96
MISO (Master In, Slave Out) Pin ............................................. 96
MOSI (Master Out, Slave In) Pin ............................................. 96
SCLK (Serial Clock I/O) Pin ..................................................... 96
Slave Select (P0.0/
SS
) Input Pin ............................................... 96
Configuring External Pins for SPI Functionality ................... 96
SPI Registers ................................................................................ 97
General-Purpose I/O ................................................................... 101
GPxCON Registers................................................................... 101
GPxDAT Registers ................................................................... 102
GPxSET Registers ..................................................................... 102
GPxCLR Registers .................................................................... 102
GPxPAR Registers .................................................................... 102
Hardware Design Considerations .............................................. 104
Power Supplies .......................................................................... 104
Outline Dimensions ..................................................................... 105
Ordering Guide ........................................................................ 106