RA8806
Preliminary Version 1.0
Two Layers Character/Graphic LCD Controller
Chapter
Content
Page
1. General Description ......................................................................................5
2. Feature ….......................................................................................................5
3. Block Diagram ...............................................................................................6
4. Pin Definition .................................................................................................7
4-1 MPU Interface .............................................................................................................7
4-2 Clock Interface............................................................................................................7
4-3 Peripheral Interface....................................................................................................8
4-4 LCD Driver Interface...................................................................................................9
4-5 Power ..........................................................................................................................9
5. Register Description ...................................................................................10
5-1 Register List Table ...................................................................................................10
5-2 Register Description ................................................................................................12
6. Function Description ..................................................................................26
6-1 MPU Interface ...........................................................................................................26
6-1-1 MPU Type ................................................................................................................................... 26
6-1-2 Command Write......................................................................................................................... 29
6-1-3 Memory Write/Read................................................................................................................... 30
6-1-4 Status Read................................................................................................................................ 30
6-2 Driver Interface.........................................................................................................31
6-2-1 Display Resolution .................................................................................................................... 34
6-2-2 Display Window and Active Window....................................................................................... 34
6-2-3 Com/Seg Scan Direction........................................................................................................... 37
6-2-4 Idle Time Counter (ITCR) .......................................................................................................... 37
6-3 Display Data RAM (DDRAM)....................................................................................39
6-3-1 Display Layer and Display Mode Selection ............................................................................ 39
6-3-2 Access Memory Selection ........................................................................................................ 39
6-4 Touch Panel..............................................................................................................40
6-4-1 Auto Mode .................................................................................................................................. 42
6-4-2 Manual Mode.............................................................................................................................. 44
6-4-2-1 External Interrupt Mode.................................................................................................... 44
6-4-2-2 Polling Mode..................................................................................................................... 47
6-5 Key-Scan...................................................................................................................50
6-6 Clock and Reset .......................................................................................................57
6-6-1 OSC Circuit................................................................................................................................. 57
6-6-2 External Clock............................................................................................................................ 57
6-6-3 Reset........................................................................................................................................... 58
6-7 Power ........................................................................................................................59
6-7-1 Power Architecture ................................................................................................................... 59
6-7-2 3V Application Circuit ............................................................................................................... 59
6-7-3 5V Application Circuit ............................................................................................................... 60
6-7-4 Sleep Mode................................................................................................................................. 61
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