20-101-0732 Rabbit Semiconductor, 20-101-0732 Datasheet - Page 32
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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Coordinate Systems
Figure 3-8 shows the coordinate systems for the touchscreen and the LCD.
Figure 3-8. Coordinate Systems
(row, column)
LCD Controller Chip
The LCD controller chip provides support for the LCD module. The
controller chip is attached to the data bus on the OP7100, and is mapped to
the I/O address space. This interface is composed of eight data bits, one
address line, and three control lines (RD, WR, and 1335-CS).
The interface from the LCD controller to the LCD module is unidirectional.
Data flow from the controller chip to the LCD module. A number of control
lines are provided for this function, but not all of them are used for a particu-
lar LCD module. The controller continually reads the SRAM for data
placed there by the microprocessor, and refreshes the display periodically.
32 Hardware
OP7100
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