Intel PXA26X manual Contents

Intel® PXA26x Processor Family Developer’s Manua l iii
Contents
Contents
1 Introduction...................................................................................................................................1-1
1.1 Intel® XScale™ Core Features.................................................................... .....................1-1
1.2 System Integration Features......................................................................... ... ..................1-2
1.2.1 Me mor y Co nt rol ler................................... ........................................... .... ..............1-2
1.2.2 Clocks and Power Controllers...............................................................................1-2
1.2.3 Universal Serial Bus (USB) Client.........................................................................1-3
1.2.4 Direct Memory Access Controller (DMAC)...........................................................1-3
1.2.5 Liquid Crystal Display (LCD) Controller................................................................1-3
1.2.6 AC97 Controller....................................................................................................1-3
1.2.7 Inter-Integrated Circuit Sound (I2S) Controller.....................................................1-3
1.2.8 Multimedia Card (MMC) Controller.......................................................................1-4
1.2.9 Fast Infrared (FIR) Communication Port...............................................................1-4
1.2.10 Synchronous Serial Protocol Controller (SSPC)...................................................1-4
1.2.11 Inter-Integrated Circuit (I2C) Bus Interface Unit....................................................1-4
1.2.12 General Purpose Input/Output (GPIO).................................................................1-4
1.2.13 Universal Asynchronous Receiver/Transmitters (UARTs)....................................1-4
1.2.14 Real-Time Clock (RTC).........................................................................................1-5
1.2.15 Operating System (OS) Timers.............................................................................1-5
1.2.16 Pulse-Width Modulator (PWM).............................................................................1-5
1.2.17 Interrupt Controller................................................................................................1-5
1.2.18 Integrated Synchronous Flash........................................ .... ..................................1-5
1.2.19 Single-ended Universal Serial Bus Client interface..............................................1-5
1.2.20 Network Synchronous Serial Protocol Port...........................................................1-6
1.2.21 Audio Synchronous Serial Protocol Port................................ ...............................1-6
1.2.22 Hardware UART (HWUART)................................................................................1-6
2 System Architecture......................................................................... ... .........................................2-1
2.1 Overview............................................................................................................................2-1
2.2 Package Types..................................................................................................................2-2
2.3 Intel® XScale™ Microarchitecture Implementation Options..............................................2-3
2.3.1 C PU Co re Fault Register — PSFS Bit....................................................... ... ........2-3
2.3.2 Coprocessor 14 Registers 0-3 – Performance Monitoring....................................2-3
2.3.3 Coprocessor 14 Register 6 and 7– Clock and Power Management.....................2-4
2.3.4 Coprocessor 15 Register 0 – ID Register Definition.............................................2-4
2.3.5 Coprocessor 15 Register 1 – P-Bit.......................................................................2-5
2.4 Input/Output Ordering........................................................................................................2-5
2.5 Semaphores......................................................................................................................2-6
2.6 Interrupts............................................................................................................................2-6
2.7 Reset.................................................................................................................................2-7
2.8 Internal Registers............................................................................. ..................................2-7
2.9 Selecting Peripherals vs. General Purpose Input/Output..................................................2-8
2.10 Power on Reset and Boot Operation .................................................................................2-8
2.11 Power Management...........................................................................................................2-8
2.12 Pin List ...............................................................................................................................2-9
2.13 Register Address Summary .......................................................................... ... ................2-21
2.14 Memory Map ....................................................................................................................2-33