User manual

RC200/203 Manual
www.celoxica.com Page 19
4.4.9 Using the FPGA in parallel port control mode
.
4.5 Parallel port
The RC200/203 has an IEEE 1284-compatible parallel port. You can use the parallel port
•
program the FPGA (see page 16)
4.6 Sma
The RC2 at
the top
provided with a
and 128 megabytes.
C200/203 Platform Support Library abstracts away some of the
When the CPLD control line P9 is set low the RC200 FPGA has direct control over the
parallel port. The nRDWR signal (CPLD control line P2) defines the direction of the
databus
to:
•
program the SmartMedia card (see page 20)
•
read data from and write data to the FPGA (see page 18)
rtMedia Flash memory
00/203 has a socket for a SmartMedia Flash memory device (connector CN7
left of the board). The Professional and Expert versions of the RC200/203 are
16-MB SmartMedia
card. You can use any SmartMedia device between 4
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The R
intricacies of the physical layer control mechanism within the SmartMedia driver.
The library also allows you to use logical addressing, which has the further
advantages of preserving the CIS and IDI fields and skipping invalid blocks.
For more information on SmartMedia devices, please refer to the RC200 Datasheets
(see page 35).
4.6.1 SmartMedia connections to the CPLD
The RC200 SmartMedia is connected to the CPLD on the following pins: