P52
Hardware
3-1
Chapter 3:
Hardware
3.1
Engine controllers
The
P52
was designed to be driven by a Tern host controller, using the 16-bit external data/address bus to
drive the parallel ADC and DAC, as well as other components. Any ‘Engine’ used will be installed on top
of the
P52
via 20x2 pin headers J1 and J2, and can be secured by two #4-40 mounting screws.
3.2
Serial Ports Drivers
The
P52
can provide up to 3 channels RS-232/485 drivers. By default, two RS-232 drivers are ready for
the two asynchronous serial UARTs from the installed Engine controller via 20x2 pin header J1 and J2.
One optional 3
rd
RS232 or RS485 driver can be installed to support the optional UART SCC2691 on the
Engine controller.
The default debug serial port SER0 is routed at H2, SER1 at H3, and SCC port at H4.
Note
: H4 is hidden beneath the Wiznet Ethernet Module. If the Ethernet is installed while H4 is needed,
an angled header should be considered.
H2
Serial Port 0
(Debug Port)
H3
Serial Port 1
H4
3
rd
UART Port
H4
hidden
under ethernet
module.