20-101-0732 Rabbit Semiconductor, 20-101-0732 Datasheet - Page 76
20-101-0732
Manufacturer Part Number
20-101-0732
Description
INTERFACE SMART SCREEN OP7100
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0303.pdf
(126 pages)
Specifications of 20-101-0732
Module/board Type
Single Board Computer Module
For Use With/related Products
OP7100
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
20-101-732
20-101-732
20-101-732
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Initialization
The OP7100, unlike most other Rabbit Semiconductor controllers, uses the
maximum I/O and memory wait states when
states can be reduced to improve performance. The following statement
sets up the proper wait states for the standard OP7100 (using a 90 ns flash
memory).
The graphic LCD can be set up by a simple function call to
This function initializes and starts the LCD controller before supplying
voltage to the LCD screen.
The backlight is controlled by
turn off the backlight (default) or a non-zero value to turn on the backlight.
If you have an OP7100 equipped with software contrast control, call
op71SetContrast(unsigned level)
of
at room temperature.
Drawing Primitives
You can draw various objects on the LCD. Before doing any drawing,
specify the type of the "brush" by calling
type)
Plot a Pixel
• int op71PlotDot(int x, int y);
level
x
Graphics Programming
and
GL _ SET
GL _ CLEAR
GL _ XOR
GL _ BLOCK
. Four brush macros are supported:
outport(DCNTL,(inport(DCNTL)&0xf)|0x60);
op71Init();
other pixels alone;
leaves other pixels alone;
leaves other pixels alone;
pixels.
pixels need to be overwritten, and the overwriting pixels are
aligned in eight-pixel rows.
y
is from 0 to 63. A level of 30 usually yields reasonable contrast
are the coordinates, the upper left corner is (0,0).
Figure 3-8 shows the coordinate system for the LCD pixels.
sets the pixels as specified by the plot commands, but leaves
toggles the pixels as specified by the plot command, but
GL _ BLOCK
clears the pixels as specified by the plot commands, but
forces the value of pixels in groups of eight vertical
is useful when speed is important, the current
op71BackLight(int isOn)
op71SetBrushType(int
to change contrast. The range
main()
gets control. The wait
. Pass zero to
OP7100
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