ra8835 Topway Display, ra8835 Datasheet - Page 3

• Manufacturer Part Number: ra8835
• Description: Dot Matrix Lcd Controller
• Manufacturer: Topway Display

Chapter
1. Overview .........................................................................................................6
2. Features ..........................................................................................................6
3. Block Diagram................................................................................................6
4. Package ..........................................................................................................7
5. Pin Descriptions.............................................................................................7
6. Instruction Set..............................................................................................11
7. Functions Description .................................................................................32
RAiO TECHNOLOGY INC.
Version 1.7
5-1 Pin Functions ................................................................................................................7
5-2 RA8835 Pin Summary .................................................................................................10
6-1 The Command Set.......................................................................................................11
6-2 System Control Commands .......................................................................................12
6-3 Display Control Commands
6-4 Drawing Control Commands......................................................................................29
6-5 Memory Control Commands ......................................................................................30
7-1 MCU Bus Interface ......................................................................................................32
7-2 MCU Synchronization .................................................................................................32
7-3 MCU Interface Examples ............................................................................................34
5-1-1 MCU Interface .......................................................................................................................................7
5-1-2 Display Memory Control ......................................................................................................................8
5-1-3 LCD Drive Signals ................................................................................................................................9
5-1-4 Oscillator and Power............................................................................................................................9
6-2-1 SYSTEM SET...................................................................................................................................... 12
6-2-2 SLEEP IN ............................................................................................................................................ 18
6-3-1 DISP ON/OFF...................................................................................................................................... 19
6-3-2 SCROLL.............................................................................................................................................. 20
6-3-3 CSRFORM .......................................................................................................................................... 24
6-3-4 CSRDIR............................................................................................................................................... 26
6-3-5 OVLAY ................................................................................................................................................ 27
6-3-6 CGRAM ADR ...................................................................................................................................... 28
6-3-7 HDOT SCR.......................................................................................................................................... 29
6-4-1 CSRW.................................................................................................................................................. 29
6-4-2 CSRR .................................................................................................................................................. 30
6-5-1 MWRITE .............................................................................................................................................. 30
6-5-2 MREAD ............................................................................................................................................... 31
7-1-1 8080 Series......................................................................................................................................... 32
7-1-2 6800 Series......................................................................................................................................... 32
7-2-1 Display Status Indication Output..................................................................................................... 32
7-2-2 Internal Register Access .................................................................................................................. 32
7-2-3 Display Memory Access ................................................................................................................... 33
7-3-1 Z80 to RA8835 Interface.................................................................................................................... 34
................................................................................................19
Contents
3/86
Dot Matrix LCD Controller
www.raio.com.tw
RA8835
Pages