Table of Contents
Computational hardware
Microprocessors
Microprocessor basics
Microprocessor basics (cont’d)
Microprocessor organization
General-purpose processor
Embedded processor
Why embedded processors?
Typical general-purpose architecture
Typical task-specific architecture
How does this change things?
Interactions with the environment
Sensing external signals
Controlling external signals
Time and instruction execution
Time measurement via parallel timers
Input/output events
System bus based communication
Support for communication protocols
Microcontrollers
Microcontrollers (cont’d)
Microcontroller we will be using
SA-1100 Architecture
SA-1100 Pins
SA-1100 Memory Map
SA-1100 Vector Map
SA-1100 Instruction Timings
SA-1100 Clocks
SA-1100 General-Purpose I/O Pins (28)
SA-1100 GPIO Pin-Level Register (GPLR)
SA-1100 GPIO Pin Direction Register (GPDR)
SA-1100 GPIO Output Set/Clear Registers
SA-1100 GPIO Alternate Functions
SA-1100 GPIO Register Locations
SA-1100 Interrupt Logic
SA-1100 Sleep Modes
SA-1100 Peripheral Control Module
SA-1100 Peripheral Pins
Development board we will be using
StrongARM MDB Connections
MDB and PCI Backplane
Companion board to MDB
SA-1101 Companion Board Connections
PPT Slide
SA-1101
Why this choice? (donated by Intel Corporation)
Programming the SA1100
A sample program (main.c)
Busy wait function (sa1100.c)
Timer interrupt functions (sa1100.c)
Interrupt setup functions (sa1100.c)
Installing and interrupt handler (sa1100.c)
Including assembly code (SA1100asm.s)
ARM Project Manager After Successful Build
Debugger In Progress (breakpoint at red line, current exec. point at green)
ARM Debugger loading program to board (with assembly shown in Execution Window)
ARM Project Manager during build with errors (error is variable declaration in for loop – last line of code window)
Ground rules for the lab (SIG 327)
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