ra8835a RAIO Technology Inc., ra8835a Datasheet - Page 4

• Manufacturer Part Number: ra8835a
• Description: Dot Matrix Lcd Controller
• Manufacturer: RAIO Technology Inc.

8. Application Notes ........................................................................................57
RAiO TECHNOLOGY INC.
Version 1.0
7-4 Static RAM ...................................................................................................................37
7-5 Supply Current during Display Memory Access ......................................................37
7-6 Oscillator Circuit .........................................................................................................38
7-7 Status Flag...................................................................................................................38
7-8 Reset ............................................................................................................................40
7-9 Character Configuration.............................................................................................40
7-10 Screen Configuration................................................................................................41
7-11 Cursor Control...........................................................................................................45
7-12 Memory to Display Relationship..............................................................................47
7-13 Scrolling.....................................................................................................................50
7-14 CG Characteristics....................................................................................................52
7-15 CG Memory Allocation..............................................................................................53
7-16 Setting Character Generator Address.....................................................................54
7-17 Character Codes .......................................................................................................56
8-1 Initialization Parameters.............................................................................................57
8-2 System Overview ........................................................................................................68
8-3 System Interconnection .............................................................................................69
8-4 Smooth Horizontal Scrolling ......................................................................................71
8-5 Layered Display Attributes.........................................................................................72
7-3-2 6802 to RA8835A Interface ............................................................................................................... 36
7-10-1 Screen Configuration...................................................................................................................... 41
7-10-2 Display Address Scanning ............................................................................................................. 42
7-10-3 Display Scan Timing ....................................................................................................................... 44
7-11-1 Cursor Register Function ............................................................................................................... 45
7-11-2 Cursor Movement ............................................................................................................................ 45
7-11-3 Cursor Display Layers .................................................................................................................... 45
7-13-1 On-page Scrolling ........................................................................................................................... 50
7-13-2 Inter-page Scrolling......................................................................................................................... 50
7-13-3 Horizontal Scrolling ........................................................................................................................ 51
7-13-4 Bi-directional Scrolling ................................................................................................................... 51
7-13-5 Scroll Units....................................................................................................................................... 52
7-14-1 Internal Character Generator ......................................................................................................... 52
7-14-2 External Character Generator ROM............................................................................................... 52
7-14-3 Character Generator RAM .............................................................................................................. 52
7-16-1 M1 = 1................................................................................................................................................ 54
7-16-2 CG RAM Addressing Example ....................................................................................................... 55
8-1-1 System Set Instruction and Parameters ......................................................................................... 57
8-1-2 Initialization Example........................................................................................................................ 59
8-1-3 Display Mode Setting Example 1: combining text and graphics.................................................. 64
8-1-4 Display Mode Setting Example 2: combining graphics and graphics ......................................... 65
8-1-5 Display Mode Setting Example 3: combining three graphics layers ........................................... 66
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Dot Matrix LCD Controller
RA8835A
www.raio.com.tw