GU128X32-800B
1
Table of Contents
1. General Description ..............................................................................................................................................2
2. Absolute Maximum Ratings .................................................................................................................................2
3. Electrical Characteristics .....................................................................................................................................2
4. Optical Specifications...........................................................................................................................................2
5. Environmental Specifications ..............................................................................................................................2
6. Description of Bus and Signals ...........................................................................................................................3
6.1 Parallel Interface .........................................................................................................................................3
6.2 Serial Interface ...........................................................................................................................................3
7. Block Diagram ...................................................................................................................................................3
8. Display Screen and Initialize Set ..........................................................................................................................4
8.1 Graphic Display (GRAM) .............................................................................................................................5
9. Function.................................................................................................................................................................7
9.1 Commands ..................................................................................................................................................7
9.2 Display On/Off (C/D= "1")..........................................................................................................................8
9.3 Brightness Set (C/D= "1") ..............................................................................................................................8
9.4 Display Clear (C/D= "1") This command clears the GRAM. ....................................................................9
9.5 Display Area Set (C/D="1", only used for Initialize Set)...........................................................................10
9.6 GRAM Data Write position Address Set (Graphic Display) (C/D="1")........................................................ 11
9.6.1 GRAM Data Write Position X Address Set ..........................................................................................11
9.6.2 GRAM Data Write Position Y Address Set ..........................................................................................11
9.7 GRAM Display Start Position Address Set (C/D="1")................................................................................11
9.7.1 Horizontal Shift......................................................................................................................................11
9.7.2 Vertical Shift .......................................................................................................................................... 11
9.8 Address Mode Set（C/D="1"） ................................................................................................................12
9.9 Address Read （C/D ="1"）...................................................................................................................12
9.10 Data Write to Graphic Display(GRAM) (C/D="0") ....................................................................................13
9.11 Default Status at Reset ..............................................................................................................................14
9.12 FRP (Frame Pulse).................................................................................................................................14
10. Interface ................................................................................................................................................................15
10.1 Parallel Interface (Parallel #1) ...................................................................................................................15
10.1.1 Command Write operation ..................................................................................................................15
10.1.2 Command Read operation ..............................................................................................................15
10.1.3 Data Write operation .......................................................................................................................15
10.2 Parallel Interface(Parallel #2) ....................................................................................................................16
10.2.1 Command Write operation ..................................................................................................................16
10.2.2 Command Read operation ..................................................................................................................16
10.2.3 Data Write operation ...........................................................................................................................16
10.3.1 Timing .................................................................................................................................................17
11. Jumper ..................................................................................................................................................................18
11.1 Jumper Position .........................................................................................................................................18
11.2 Jumper Setting (Must be done when power is OFF)................................................................................18
12. Pin Assignment (See connector diagrams below) ..........................................................................................19
12.1 Signal Connection .....................................................................................................................................19
12.2 Connectors ..............................................................................................................................................19
13. Outline Dimension .............................................................................................................................................20
Notice for the Cautious Handling VFD Modules......................................................................................................21
