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viii S3C9228/P9228 MICROCONTROLLERS
Table of Contents (Continued)
Chapter 11 Timer 1
One 16-Bit Timer Mode (Timer 1) ............................................................................................................11-1
Overview.........................................................................................................................................11-1
Function Description........................................................................................................................11-1
Two 8-Bit Timers Mode (Timer A and B)..................................................................................................11-4
Overview.........................................................................................................................................11-4
Function Description........................................................................................................................11-7
Chapter 12 Watch Timer
Overview .................................................................................................................................................12-1
Watch Timer Control Register (WTCON).........................................................................................12-2
Watch Timer Circuit Diagram...................................................................................................................12-3
Chapter 13 LCD Controller/Driver
Overview .................................................................................................................................................13-1
LCD Circuit Diagram........................................................................................................................13-2
LCD RAM Address Area ..................................................................................................................13-3
LCD Mode Control Register (LMOD)................................................................................................13-4
LCD Port Control Register ...............................................................................................................13-5
LCD Voltage Dividing Resistors.......................................................................................................13-6
Common (COM) Signals..................................................................................................................13-6
Segment (SEG) Signals...................................................................................................................13-6
Chapter 14 10-Bit A/D Converter
Overview .................................................................................................................................................14-1
Function Description ................................................................................................................................14-1
Conversion Timing ..........................................................................................................................14-2
A/D Converter Control Register (ADCON) .......................................................................................14-2
Internal Reference Voltage Levels...................................................................................................14-3
Block Diagram .........................................................................................................................................14-3
Chapter 15 Serial I/O Interface
Overview .................................................................................................................................................15-1
Programming Procedure..................................................................................................................15-1
SIO Control Registers (SIOCON).....................................................................................................15-2
SIO Pre-Scaler Register (SIOPS) ....................................................................................................15-3
SIO Block Diagram ..................................................................................................................................15-3
Serial I/O Timing Diagram (SIO)......................................................................................................15-4