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3.2.5.
RS-232C Serial Port
It is the interface for UART 0, one of 3 channel UARTs that S3C2410A processor is supporting.
The rest of 2 channels are used for extenstion through expansion port.
W5300E01-ARM platform basically uses 9 pin DSUB male typed connector.
3.2.6.
USB Host / Device Port
A-Type Host Connector and Mini-Type Device Connector are provided for testing USB Host interface and
USB Device (Slave) interface that S3C2410 supports.
As USB Host driver is basically supported by Linux, it is possible to test various USB devices by connecting
to W5300E01-ARM platform. Through USB device driver, the connection with PC is supported.
3.2.7.
JTAG Interface
Through JTAG Interface, it is possible to write the Bootloader to the NAND Flash ROM. Debugging is
available through JTAG debugging equipment. As 20 pin JTAG connector is installed, general JTAG
equipments can be connected without any problem.
3.2.8.
LED & Tact Switch for Debugging
By using 2 LEDs and 2 Tact Switches connected to EINT/GPIO, simple debugging is supported.
3.2.9.
Character LCD
Character LCD is used for displaying debugging and system staus.
The pin description of character LCD interface (J7) is as below.
Figure 3-5 : JTAG Interface Part Schematic
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