CPC514
C P C 5 1 4 U s e r M a n u a l
27
© 2 0 2 0 F a s t w e l V e r . 0 0 2
Table 2 - 6
– Assignment of COM1 connector contacts and DisplayPort XP1 settings
Pin
number
Signal
Name
1
COM1_TX
Transmission channel of the COM1 port
2
DP_UART_TX
Transmission channel of the STDP4028 serial port (TTL
level)
3
COM1_RX
Reception channel of the COM1 port
4
DP_UART_RX
Reception channel of the STDP4028 serial port (TTL level)
5
+3V3
+3.3 V
6
GND
Ground
2.4 LEDs
The front panel of the CPC514 (see Fig. 1 - 7) and CPC514RC (see Fig. 1 - 8) modules is
equipped with LED indicators, which are described in Table 2 - 7.
Table 2 - 7
– Designations and functions of the LEDS in CPC514/CPC514RC
LED designation
Description
SYS
Two color, red and blue
Blue:
Not illuminated
– normal operation.
flashing
–waiting for the OS to complete operation when hardware shutdown
is performed using the extractor button.
Is ON constantly
– the supply is off.
Red
– hardware failure (power supplies startup error).
GP
Two color, red and green
Red
– programmable
Green
– programmable
Routed to GPIO0 and GPIO1 KPI. The LEDs are available from the operating
system via the user space (/sys/class/gpio/).
PE
Two color, red and green
Green:
Flashing
–connection via PCI-E interface FAT Pipe #1 when installing the
module into the peripheral slot.
Red
– processor overheating.