20-101-0303 Rabbit Semiconductor, 20-101-0303 Datasheet - Page 38
20-101-0303
Manufacturer Part Number
20-101-0303
Description
SMARTSCREEN OP7100 W/TOUCHSCREEN
Manufacturer
Rabbit Semiconductor
Datasheet
1.101-0303.pdf
(126 pages)
Specifications of 20-101-0303
Display Type
STN - Super-Twisted Nematic
Viewing Area
121.00mm L x 91.00mm W
Backlight
CCFL - White
Dot Pitch
0.36mm x 0.36mm
Dot Pixels
320 x 240 (QVGA)
Interface
Serial
Product
Prototyping Accessories
Processor Type
Z180
Sram
128 KB
Flash
512 KB
Number Of I/os
16
Backup Battery
3 V Lithium Coin Type
Operating Voltage
10 V to 30 V
Power Consumption
4.5 W
Interface Type
Ethernet
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Display Mode
-
Dot Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
20-101-0303
20-101-303
20-101-303
316-1175
20-101-303
20-101-303
316-1175
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RS-232 Communication
Figure 3-17 shows the RS-232 signals on header J8 and header J10 (the
DE-9 connector).
Rabbit Semiconductor has RS-232 support libraries for Z180 Ports 0 and
1. The following functional support for serial communication is included.
•
•
•
•
Receive and Transmit Buffers
Serial communication is easier with a background interrupt routine that
updates receive and transmit buffers. Every time a port receives a charac-
ter, the interrupt routine places it into the receive buffer. A program can
read the data one character at a time or as a string of characters terminated
by a special character.
38 Hardware
Initializing the serial ports.
Monitoring and reading a circular receive buffer.
Monitoring and writing to a circular transmit buffer.
CTS (clear to send) and RTS (request to send) control for Z180 Port 0.
Pin 9 on header J10, the DE-9 connector, may be configured to
carry DCIN, the input voltage, by adding a 0 Ω resistor at R32.
Be careful when connecting other devices to header J10 when
R32 is installed since not all devices can handle DCIN. For
example, PCs are limited to 12 V.
The availability of DCIN on pin 9 of header J7 allows a DC
power supply to be made available to the device being
connected to the OP7100.
Figure 3-17. RS-232 Signals
OP7100
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