Table of Contents
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CHAPTER 1 INTRODUCTION ............................................................................................................. 29
1.1 Features .................................................................................................................................... 29
1.2 Ordering Information ............................................................................................................... 30
4181 Key Features ............................................................................................................... 30
1.3.1 CPU core .....................................................................................................................................
1.3.2 Bus interface ...............................................................................................................................
1.3.3 Memory interface .........................................................................................................................
1.3.4 DMA controller (DCU) ..................................................................................................................
1.3.5 Interrupt controller (ICU) ..............................................................................................................
1.3.6 Real-time clock ............................................................................................................................
1.3.7 Audio output (D/A converter) .......................................................................................................
1.3.8 Touch panel interface and audio input (A/D converter) ...............................................................
1.3.9 CompactFlash interface (ECU) ...................................................................................................
1.3.10 Serial interface channel 1 (SIU1) ..............................................................................................
1.3.11 Serial interface channel 2 (SIU2) ..............................................................................................
1.3.12 Clocked serial interface (CSI) ....................................................................................................
1.3.13 Keyboard interface (KIU) ...........................................................................................................
1.3.14 General-purpose I/O ..................................................................................................................
1.3.15 Programmable chip selects .......................................................................................................
1.3.16 LCD interface ............................................................................................................................
1.3.17 Wake-up events ........................................................................................................................
4110 CPU Core ..................................................................................................................... 35
1.4.1 CPU registers ..............................................................................................................................
1.4.2 CPU instruction set overview ......................................................................................................
1.4.3 Data formats and addressing ......................................................................................................
1.4.4 CP0 registers ...............................................................................................................................
1.4.5 Floating-point unit (FPU) .............................................................................................................
1.4.6 Memory management unit ...........................................................................................................
1.4.7 Cache ..........................................................................................................................................
1.4.8 Instruction pipeline ......................................................................................................................
1.4.9 Power modes ..............................................................................................................................
1.4.10 Code compatibility .....................................................................................................................
1.5 Clock Interface ......................................................................................................................... 47
CHAPTER 2 PIN FUNCTIONS ............................................................................................................ 50
2.1 Pin Configuration ..................................................................................................................... 50
2.2 Pin Function Description ........................................................................................................ 52
2.2.1 System bus interface signals .......................................................................................................
2.2.2 LCD interface signals ..................................................................................................................
2.2.3 Initialization interface signals ......................................................................................................
2.2.4 Battery monitor interface signals .................................................................................................
2.2.5 Clock interface signals ................................................................................................................
2.2.6 Touch panel interface and audio interface signals ......................................................................
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