User's Manual

Connection
Parallel connection
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2.5. Parallel connection
A standard parallel cable (not included in Kit) with DB-25 Female connectors on both ends may
be used to connect PC LPT_X port with LPT port on test board.
Test board’s DB-25 male connector external view and pinout is shown on the Figure 2-2.
Figure 2-3. DB-25 Male connector
Table 2-3. Connector Specification
Please, refer to particular external device parallel port specification to select and use right Serial
cable for proper connection.
Pin Signal Name Dir Description
Pi
n
Signal
Name
Di
r
Description
1
N/C
1
14 N/C
2 SPI_CSB I Chip select for Synchronous
Serial Interface. Active low.
15 N/C
3 N/C 16 N/C
4 N/C 17 N/C
5 N/C 18 GND - Ground
6 N/C 19 GND - Ground
7 N/C 20 GND - Ground
8 SPI_MOSI I Serial Peripheral Interface data
input
21 GND - Ground
9 SPI_CLK I Serial Peripheral Interface clock 22 GND - Ground
10 SPI_MISO O Serial Peripheral Interface data
output
23 GND - Ground
11 N/C 24 GND - Ground
12 N/C 25 GND - Ground
13 N/C
1. N/C - Not connected