Samsung S5PC110 Manual page 1801

S5PC110_UM
7 ADC & TOUCH Screen Interface ...............................................................7-2
7.1 Overview of ADC & TOUCH Screen Interface......................................................................................... 7-2
7.2 KEY Features of ADC & TOUCH Screen Interface ................................................................................. 7-2
7.3 TOUCH Screen Interface Operation ........................................................................................................ 7-3
7.3.1 Block Diagram ADC & TOUCH Screen Interface............................................................................. 7-3
7.4 Function Descriptions .............................................................................................................................. 7-4
7.4.1 A/D Conversion Time ....................................................................................................................... 7-4
7.4.2 Touch Screen Interface Mode .......................................................................................................... 7-4
7.4.3 Standby Mode................................................................................................................................... 7-6
7.4.4 Two Touch Screen Interfaces........................................................................................................... 7-6
7.5 ADC & Touch Screen Interface Input Clock Diagram.............................................................................. 7-8
7.6 I/O Descriptions........................................................................................................................................ 7-9
7.7 Register Description............................................................................................................................... 7-10
7.7.1 Register Map .................................................................................................................................. 7-10
8 KEYPAD Interface ......................................................................................8-1
8.1 Overview of Keypad Interface.................................................................................................................. 8-1
8.2 Debouncing Filter ..................................................................................................................................... 8-3
8.3 Filter Clock ............................................................................................................................................... 8-4
8.4 Wakeup Source........................................................................................................................................ 8-4
8.5 Keypad Scanning Procedure ................................................................................................................... 8-5
8.6 I/O Description ......................................................................................................................................... 8-9
8.7 Register Description............................................................................................................................... 8-11
8.7.1 Register Map .................................................................................................................................. 8-11
1 AUDIO SUBSYSTEM
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