Description and Specifications
8 XPort™ Integration Guide
Signal Name XPort
Pin #
Primary Function
CP2/DTR
(Configurable Pin 2)
7 CP2 can be configured as follows:
• Modem control: DTR (Data Terminal Ready) output
driven by DSTni’s built-in UART for connection to DCD
of attached device.
• Programmable input/output: CP2 can be driven or
read through software control, independent of serial
port activity.
CP3/CTS/DCD
(Configurable Pin 3)
8 CP3 can be configured as follows:
• • Flow control: CTS (Clear to Send)
input read by DSTni’s built-in UART
for connection to RTS of attached
device.
• • Modem control: DCD (Data Carrier
Detect) input read by DSTni’s built-in
UART for connection to DTR of
attached device.
• Programmable input/output: CP3 can be driven or
read through software control, independent of serial
port activity.
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