S3C24A0A 데이터 시트보기 (PDF) - Samsung

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S3C24A0A

32-BIT RISC MICROPROCESSOR

Samsung 

Table of Contents (Continued)

Chapter 29 Key PAD I/F

Overview ....................................................................................................................................................... 29-1

Keypad Control Register .............................................................................................................................. 29-2

Keypad Control Registers (KEYDAT, KEYPUP) ................................................................................. 29-2

Keypad Interrupt Control Register ....................................................................................................... 29-2

Debouncing Filter................................................................................................................................. 29-3

Keypad Filter Control Register ( KEYFLT ).......................................................................................... 29-3

Keypad Manual Scan Control Register (YMAN).................................................................................. 29-4

Chapter 30 ADC & Touch Screen Interface

Overview ....................................................................................................................................................... 30-1

Features ............................................................................................................................................... 30-1

ADC & Touch Screen Interface Operation ................................................................................................... 30-2

Block Diagram...................................................................................................................................... 30-2

Example for Touch Screen .................................................................................................................. 30-3

Function Descriptions .......................................................................................................................... 30-4

Function Descriptions .......................................................................................................................... 30-4

ADC and Touch Screen Interface Special Registers ................................................................................... 30-7

ADC Control Register (ADCCON) ....................................................................................................... 30-7

ADC Touch Screen Control Register (ADCTSC) ................................................................................ 30-8

ADC Start Delay Register (ADCDLY) .................................................................................................. 30-9

ADC Conversion Data Register (ADCDAX) ........................................................................................ 30-10

ADC Conversion Data Register (ADCDAY) ........................................................................................ 30-11

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S3C24A0A MICROPROCESSOR

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