
© Cobham Gaisler AB
Kungsgatan 12 | SE-411 19 Goteborg | Sweden
+46 31 7758650 | www.caes.com/gaisler
51
GR-CPCIS-XCKU
Document Data Sheet & User Manual
Feb 2022, Version 1.2
6.3
List of Oscillators, Switches and LED's
Table 39
List of Oscillators and Crystals
Name
Function
Description
X1
GR716-CLK
20 MHz oscillator (soldered)
X2
GR716-SPWCLK
50 MHz oscillator (soldered)
X3
CLK2
DIL8socket for User Oscillator(freq:TBD)
X4
CLK3
300 MHz LVDS oscillator (soldered)
X5
MGT_CLK0
156.25 MHz LVDS oscillator (for GTH transceivers)
Y1
GR716-20MHz
GR716 XTAL (nof fitted)
Y2
FTDI-12MHz
12 MHz crystal (soldered) for FTDI interface
Y3
ETH0-25MHz
25 MHz crystal (soldered) for ETH0 PHY
Y4
ETH1-25MHz
25 MHz crystal (soldered) for ETH1 PHY
Table 40
List of Switches
Name
Function
Description
S1
RESET
Push Button Reset
S2
USR
Push Button – User Defined (connects to FPGA)
S3-1
GR-EN
DIP Switch :GR716 DSU enable (ON=’0’)
S3-2
GR-BREAK
DIP Switch : GR716 DSU BREAK (ON=’0’)
S3-3
SW0
DIP Switch : FPGA USR0 signal : User defined (ON=’0’)
S3-4
SW1
DIP Switch : FPGA USR0 signal : User defined (ON=’0’)
S3-5
SW2
DIP Switch : FPGA USR1 signal : User defined (ON=’0’)
S3-6
SW3
DIP Switch : FPGA USR2 signal : User defined (ON=’0’)
S3-7
SW4
DIP Switch : FPGA USR3 signal : User defined (ON=’0’)
S3-8
SW5
DIP Switch : FPGA USR5 signal : User defined (ON=’0’)
S4
ON-OFF
SP Slide
S5
PROG_B
Re-load FPGA Configuration