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Configuration
(P200)
are shown in
Reference
P200
P201
Communication Interfaces
The G24-L Developer Board includes four serial interfaces
•
Primary RS232-1
•
USB
Figure 2-10: USB and RS232-1 Connectors
Each of these serial interfaces is described in the sections that follow.
RS232-1
The 9-pin, D-type RS232-1 serial port (J300) is the primary interface to the G24-L. The G24-L
UART signals are active-low CMOS-level signals (0-2.7 V), which are converted by the
Developer Board to standard RS232 levels for PC communications. The RS232-1 Connector
Pinout (J300) is shown in
Note:
16
(Figure 2-7, on page
12) positions for connecting and disconnecting power to the G24-L
Table
2-3.
Table 2-3: G24-L Power Jumpers (P200, P201)
Description
Connects/Disconnects
G24-L power is connected.
G24-L power.
Connects/Disconnects
Developer board power is con-
Developer board power.
nected.
Connector
Table
2-4.
The RS232-1 connector pin names are DTE-oriented.
Table 2-4: RS232-1 Connector Pinout (J300)
Pin #
1
2
3
G24-L Developer's Kit
Jumper Connected
USB
RS232-1
Connector
Description
DTE I/O
DCD
In
RXD
In
TXD
Out
Jumper Not
Connected
G24-L power is Discon-
nected.
Developer board power is
Disconnected.
(Figure
2-10):
September 25, 2007
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Troubleshooting
