1 Overview....................................................................................................................................................17-1

1.1 IIC-Bus Interface ..............................................................................................................................17-3

1.2 Start And Stop Conditions ...............................................................................................................17-3

1.3 Data Transfer Format ......................................................................................................................17-4

1.4 ACK Signal Transmission ................................................................................................................17-5

1.5 Read-Write Operation......................................................................................................................17-6

1.6 Bus Arbitration Procedures..............................................................................................................17-6

1.7 Abort Conditions ..............................................................................................................................17-6

1.8 Configuring IIC-Bus..........................................................................................................................17-6

1.9 Flowcharts of Operations in Each Mode..........................................................................................17-7

2 IIC-Bus Interface Special Registers ..........................................................................................................17-11

2.1 Multi-Master IIC-Bus Control (IICCON) Register.............................................................................17-11

2.2 Multi-Master IIC-Bus Control/Status (IICSTAT) Register ................................................................17-12

2.3 Multi-Master IIC-Bus Address (IICADD) Register ...........................................................................17-13

2.4 Multi-Master IIC-Bus Transmit/Receive Data Shift (IICDS) Register ..............................................17-13

2.5 Multi-Master IIC-Bus Line Control(IICLC) Register .........................................................................17-14

Chapter 18

1 Introduction................................................................................................................................................18-1

1.1 Features...........................................................................................................................................18-1

2 Color Format Conversion ..........................................................................................................................18-2

3 Command FIFO.........................................................................................................................................18-3

4 Rendering Pipeline ....................................................................................................................................18-4

4.1 Primitive Drawing .............................................................................................................................18-4

4.2 Rotation............................................................................................................................................18-9

4.3 Clipping ............................................................................................................................................18-11

4.4 Stencil Test ......................................................................................................................................18-11

4.5 Raster Operation..............................................................................................................................18-11

4.6 Alpha Blending.................................................................................................................................18-13

5 Register Descriptions ................................................................................................................................18-14

5.1 General Registers ............................................................................................................................18-16

5.2 Command Registers ........................................................................................................................18-19

5.3 Parameter Setting Registers............................................................................................................18-21

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Table of Contents

IIC-Bus Interface

(Continued)

S3C2416X RISC MICROPROCESSOR

Table of Contents