RAiO RA8806 - Display Future

Version 1.3
RA8806
Two Layers Character/Graphic LCD Controller
Chapter Content Page
1. General Description ......................................................................................6
2. Feature ...........................................................................................................6
3. Block Diagram ...............................................................................................7
4. Pin Definition .................................................................................................8
4-1 MPU Interface .............................................................................................................8
4-2 Clock Interface............................................................................................................8
4-3 Peripheral Interface....................................................................................................9
4-4 LCD Driver Interface.................................................................................................10
4-5 Power ........................................................................................................................10
5. Register Description ...................................................................................11
5-1 Register List Table ...................................................................................................11
5-2 Register Description ................................................................................................13
6. Function Description ..................................................................................27
6-1 MPU Interface ...........................................................................................................27
6-1-1 MPU Type ................................................................................................................................... 27
6-1-2 Command Write ......................................................................................................................... 30
6-1-3 Memory Write/Read ................................................................................................................... 31
6-1-4 Status Read................................................................................................................................ 31
6-2 Driver Interface.........................................................................................................32
6-2-1 Display Resolution .................................................................................................................... 35
6-2-2 Display Window and Active Window....................................................................................... 35
6-2-3 Com/Seg Scan Direction........................................................................................................... 38
6-2-4 Idle Time Counter (ITCR) .......................................................................................................... 38
6-3 Display Data RAM (DDRAM) ....................................................................................40
6-3-1 Display Layer and Display Mode Selection ............................................................................ 40
6-3-2 Access Memory Selection ........................................................................................................ 40
6-4 Touch Panel..............................................................................................................41
6-4-1 Auto Mode .................................................................................................................................. 43
6-4-2 Manual Mode.............................................................................................................................. 45
6-4-2-1 External Interrupt Mode .................................................................................................... 45
6-4-2-2 Polling Mode ..................................................................................................................... 48
6-4-3 Touch Panel Sampling Time Reference Table ....................................................................... 51
6-5 Key-Scan...................................................................................................................52
6-6 Clock and Reset .......................................................................................................59
6-6-1 OSC Circuit................................................................................................................................. 59
6-6-2 External Clock............................................................................................................................ 59
6-6-3 Reset ........................................................................................................................................... 60
6-7 Power ........................................................................................................................61
6-7-1 Power Architecture ................................................................................................................... 61
6-7-2 3V Application Circuit ............................................................................................................... 61
6-7-3 5V Application Circuit ............................................................................................................... 62
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