B+B SmartWorx APPN551 Manuale Utente
B&B Electronics, Inc.
APPN-TT551 Databook
10
4.3
Serial Peripheral Interface (SPI)
Please refer to section 6.0 for details on this interface.
4.4
Debug/Console Port
A debug/console port is supported by a 2-wire serial interface defined in Table 3.
This port is a bi-directional serial port intended for debug of the unit only. It does
not support data transfer.
This port is a bi-directional serial port intended for debug of the unit only. It does
not support data transfer.
It is recommended that a connection to this port be supported via test points or a
two pin header. The default settings for the debug port are 115200, 8, N 1, No
Flow Control.
two pin header. The default settings for the debug port are 115200, 8, N 1, No
Flow Control.
CAUTION: Do not use the debug port without contacting B&B Technical Support
first. Potential damage to the module may occur.
first. Potential damage to the module may occur.
4.5
General Purpose Input/Output (GPIO)
A number of the interface pins support multiple functional definitions. Those
alternately defined as GPIO pins can be selected as such via device firmware.
alternately defined as GPIO pins can be selected as such via device firmware.
The GPIO pins are digital I/O capable of supporting up to an 8mA drive current at
3.3VDC.
3.3VDC.