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
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S3C9228/P9228_UM_REV1.10 MICROCONTROLLERS