Remote-processing RPC-2350 Manual do Utilizador Página 53
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DISPLAY PORTS CHAPTER 10
10-2
It is possible to write a LCD character driver in Basic.
This routine will be slow and take up some space.
DISPLAY CONNECTOR PIN OUT
The display port uses an 82C5 5 for data and contr ol.
The table below lists a pin number and its intended
function. A display may not use all lines even though
they are available.
J6 Pin 82C55
Port/Line
Function WR T display
(LCD d isplays)
1 + 5V supply
2 Ground
3 A/4 ~RS
4 Contrast Voltage
5 A/6 E1
6 A/5 R/~ W
7 No connect
8 No connect
9 No connect
10 A/7 E2
11 A/1 DB5
12 A/0 DB4
13 A/3 DB7
14 A/2 DB6
15-20 No connect
The ~ character designates a logical NOT.
LCD character displays operate in 4 bit mode. Display
lines DB0-DB3 are not connected.
J6 Pin 82C55
Port/Line
Function WR T display
(VF displays)
1 + 5V supply*
2 Ground*
3 A/4 D4
4 No connect
5 A/6 D6
6 A/5 D5
7 No connect
8 No connect
9 No connect
10 A/7 Strobe
11 A/1 D1
12 A/0 D0
13 A/3 D3
14 A/2 D2
15-20 No connect
VF character display connector table. Displays operate
in 8 bit mode. Bring bit 7 on display to ground.
Display bit 7 is not used.
*NOTE: Due to high display current dem and, it is
recommended that separate + 5 and ground
lines be brought to the display.
COMMANDS
The following is a list of commands used to control the
displays.
Command Function
CONFIG DISPLAY Tells system type of
display and initializes it.
DISPLAY Core comm and to wr ite
to display for printing
and positioning.
CONFIG PIO Initializes digital port
- RPC-2350 USER'S MANUAL 1
- TABLE OF CONTENTS 2
- CHAPTER 1 OVERVIEW 5
- OVERVIEW CHAPTER 1 6
- SETUP AND OPERATION CHAPTER 2 10
- CHAPTER 2 SETUP AND OPERATION 11
- CHAPTER SYNOPSIS 16
- DESCRIPTION 16
- SAVING A PROGRAM 16
- AUTORUNNING 17
- PREVENTING AUTORUN 17
- LOADING PROGRAMS 17
- SAVING DATA TO FLASH EPROM 18
- INSTALLING 128K OR 512K FLASH 18
- LINKING PROGRAMS 18
- COMMANDS 19
- CHAPTER 4 SERIAL PORTS 20
- SERIAL PORTS CHAPTER 4 21
- CHAPTER 5 DATA MEMORY 27
- DATA MEMORY CHAPTER 5 28
- CHAPTER 6 DIGITAL LINES 34
- DIGITAL LINES CHAPTER 6 35
- CALENDAR/CLOCK CHAPTER 7 41
- CHAPTER 7 CALENDAR/CLOCK 42
- CHAPTER 8 ANALOG I/O 43
- ANALOG I/O CHAPTER 8 44
- CHAPTER 9 KEYPAD PORT 50
- KEYPAD PORT CHAPTER 9 51
- CHAPTER 10 DISPLAY PORT 52
- DISPLAY PORTS CHAPTER 10 53
- CHAPTER 11 SOUND/TIMER OUTPUT 54
- CHAPTER 12 WATCHDOG TIMER 55
- CHAPTER 13 INTERRUPTS 56
- INTERRUPTS CHAPTER 13 57
- CHAPTER 14 MULTI-MODE COUNTER 58
- MULTI-MODE COUNTER CHAPTER 14 59
- DISPLAY INFORMATION 62
- CONNECTING A DISPLAY 63
- DISPLAY LAYERS 63
- CONTRAST ADJUSTMENT 64
- PRINTING TEXT 64
- CHANGING AND LOADING FONTS 66
- DRAWING POINTS AND LINES 66
- CLEAR, FILL, AND XOR AREAS 66
- LOAD AND SAVE SCREENS 67
- ADDITIONAL SCREEN CONTROLS 68
- PRINT AND DISPLAY TIMES 70
- EL DISPLAY 70
- CABLE PIN OUTS 71
- POWER INPUT 74
- POWER OUTPUT 75
- WARNING: 75
- EXPANSION PORT P1 75
- CHAPTER 17 RESOURCES 77
- RESOURCES CHAPTER 17 78
- TECHNICAL INFORMATION 79
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