參數(shù)資料
型號: 21890
英文描述: ?lanSC300 Evaluation Board User's Manual
中文描述: ?lanSC300評估板用戶手冊
文件頁數(shù): 45/162頁
文件大?。?/td> 1974K
代理商: 21890
élanSC300 Microcontroller Evaluation Board User’s Manual
2-23
1
Serial Ports
The evaluation board has two serial ports. Connector P19 is connected to the
élanSC300 internal 16C450-compatible UART. Connector P45 is connected to
the Super I/O 16C550 UART. The BIOS determines how the UART is set up, e.g.,
SystemSoft BIOS allows the élanSC300 to be set up as COM1, COM2, or disabled;
and the Super I/O UART as COM1, COM2, COM3, COM4, or Disabled. (Note
that when the Super I/O UART is configured as COM1 or COM3, the IRQ4 line
from the Super I/O is not connected, therefore polling must be used.)
After DOS is booted, the DOS utility
EVALSET.EXE
provided on the AMD
Utilities diskette included in your kit can be used to reinitialize either UART to
the desired configuration. Refer to the documentation on the diskette for how to
do this.
Parallel Port
Connector P20 is connected to the élanSC300 parallel port. Most BIOS’ let you
configure the parallel-port base address in the set-up screen. In Internal Video
mode, you can also use
EVALSET.EXE
to set the base address (see page 3-11).
IDE Hard Drive
The élanSC300 microcontroller evaluation board contains a standard 40-pin
connection for an IDE drive at location P28 (see the figure on page 2-2). Pin 1 is
at the end near the ROM sockets. See “Connecting an IDE Hard Drive” on page
1-7 for a step-by-step guide.
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