Intel PXA26X User Manual
Page 3
Intel® PXA26x Processor Family Developer’s Manual
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
Memory Controller ................................................................................................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
CPU Core 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