Matrix-orbital GLK19264-7T-1U Manual de usuario Pagina 13
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2.1 DB-9 Connector - For Non-USB modules only
The GLK19264-7T-1U provides a DB-9 Connector to readily interface with serial devices which use the
EIA232 standard signal levels of ±30V. It is also possible to communicate at TTL levels of 0 to +5V by
setting the Protocol Select Jumpers to TTL. As an added feature it is also possible to apply power through
pin 9 of the DB-9 Connector in order to reduce cable clutter. However, in order to accomplish this you must
set the Power Through DB-9 Jumper.
Pin 2 TX/SDA (I2C data)
Pin 3 RX/SCL (I2C clock)
Pin 5 GND
Pin
9 PWR (Must solder power through
DB-9 jumper. See table ?? on
page ?? for power requirements.)
Figure 13: RS-232 Pin-out
2.1.1 Power Through DB-9 Jumper - for Non-USB modules only
In order to provide power through pin 9 of the DB-9 Connector you must place a solder jumper on the
Power through DB-9 Jumper pictured in Figure 14 below. The GLK19264-7T-1U allows all voltage models
to use the power through DB-9 option, see table ?? for display module voltage requirements.
Figure 14: Power Through DB-9 Jumper
Matrix Orbital GLK19264-7T-1U 8
- GLK19264-7T-1U 1
- Technical Manual 1
- Revision: 1.2 1
- Contents 2
- 1 Getting Started 6
- Figure 3: Standard Power 7
- Figure 4: 5V Power Adapter 7
- 1.3 Features 9
- 1.4 Connecting to a PC 9
- 1.5 Installing the Software 10
- 2 Hardware Information 11
- 2.4 Protocol Select Jumpers 15
- 2.5 Manual Override 16
- 3 Troubleshooting 17
- 4 Communications 19
- C Transaction Example 20
- 4.1.3 Serial Communication 20
- 4.1.4 USB Communication 20
- 4.2 Turn Flow Control On 21
- 4.3 Turn Flow Control Off 21
- 4.4 Changing the I 22
- C Slave Address 22
- 4.5 Changing the Baud Rate 22
- CrystalSpeed 23
- 8×DesiredBaud 23
- 5.1.2 Creating a Font 25
- 5.2 Uploading a Font File 26
- 5.3 Setting the Current Font 27
- 5.4 Font Metrics 28
- 5.5 Set Box Space Mode 28
- 6.1 Introduction 29
- 6.2 Move Cursor Home 29
- 6.5 Auto Scroll On 30
- 6.6 Auto Scroll Off 30
- 7 Bitmaps 31
- 7.4 Drawing a Bitmap Directly 32
- 8 Bar Graphs and Drawing 33
- 8.3 Draw Pixel 34
- 8.4 Drawing a Line 34
- 8.5 Continue a Line 34
- 8.6 Draw a Rectangle 35
- 8.7 Drawing a Solid Rectangle 35
- 8.8 Initializing a Bar Graph 36
- 8.9 Drawing a Bar Graph 36
- 8.11 Shifting a Strip Chart 38
- 9 General Purpose Output 39
- 10 Keypad 41
- 10.4 Poll Key Press 43
- 10.5 Clear Key Buffer 43
- 10.6 Set Debounce Time 43
- 10.7 Set Auto Repeat Mode 44
- 10.8 Auto Repeat Mode Off 45
- 10.9 Assign Keypad Codes 45
- 11 Display Functions 46
- 11.3 Display On 47
- 11.4 Display Off 47
- 11.5 Set Brightness 47
- 11.6 Set and Save Brightness 48
- 11.7 Set Contrast 48
- 12 Filesystem 49
- 12.2 Wipe Filesystem 51
- 12.3 Deleting a File 53
- 12.4 Get Filesystem Space 53
- 12.5 Get Filesystem Directory 54
- 12.6 Filesystem Upload 54
- 12.7 Downloading a File 54
- 13 Data Security 55
- 13.2 Set Remember 56
- 13.3 Data Lock 56
- 13.4 Set and Save Data Lock 58
- 13.5 Dump the Filesystem 58
- 13.6 Write Customer Data 58
- 13.7 Read Customer Data 58
- 14 Miscellaneous 59
- 15 Command Summary 61
- 15.4 Bitmaps 62
- 15.5 Bar Graphs and Drawing 62
- 15.6 General Purpose Output 63
- 15.7 Keypad 63
- 15.8 Display Functions 64
- 15.9 Filesystem 64
- 15.10 Data Security 65
- 15.11 Miscellaneous 65
- 15.12 Command By Number 66
- 16 Appendix 67
- 16.2 Optical Characteristics 68
- 16.3 Physical Layout 68
- Figure 24: Physical Diagram 69
- 16.4 Ordering Information 71
- 16.5 Definitions 71
- 16.7 Revision History 71
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