49.9
R74
DNP
49.9
R75
DNP
1
2
3
4
5
J12
OUT0_P
1
2
3
4
5
J13
OUT0_N
49.9
R64
DNP
49.9
R65
DNP
O0_P
O0_N
100
R69
DNP
SMA_O0_P
SMA_O0_N
OUT0_P
OUT0_N
0
R60
0
R61
0
R68
DNP
0
R70
DNP
0.1uF
C90
0.1uF
C91
1
2
3
4
J10
DNP
EVM Configuration
21
SNAU236A – June 2018 – Revised December 2018
Copyright © 2018, Texas Instruments Incorporated
LMK05318EVM User's Guide
Output clocks are routed through 50-
Ω
single-ended traces and AC-coupled to the SMA ports labeled
OUT[0:6]_P/N. The OUT7_P/N is also routed through 50-
Ω
single-ended traces, but is DC-coupled to the
SMA ports to allow for evaluation of low frequency outputs (for example, 1 PPS or 1 Hz), as well as
LVCMOS or HCSL output clocks. Each output pair supports AC-LVDS/CML/LVPECL and HCSL driver
types. The HCSL driver has programmable on-chip termination or can used external termination. OUT[4:7]
can also support 1.8-V LVCMOS driver type with one or two LVCMOS output clocks per P/N pair. Each
LVCMOS driver has internal 50-
Ω
output impedance and supports programmable polarity and tri-state
options.
Figure 8. Clock Output Interface - OUT0 (Similar for OUT1-OUT7)
3.6
Status Outputs and LEDs
Status outputs signals can be configured on the STATUS0 and STATUS1/FDEC pins. The status output
signal, output type (3.3-V LVCMOS or NMOS open-drain), and output polarity are register programmable.
The output states for these pins (and other logic pins) can be probed at header J34 (not installed).
STATUS0 and STATUS1 outputs drive orange LEDs D7 and D8 for visual indication. Each LED will turn
ON when the status output is 1 (active high).