Mosaic3
40
Version 3.5 rev 8 May 2019
HARDWARE DESCRIPTION
3.1.5 e
xternaL
i
nterface
The following is a description of the 26-way High Density Female D-type (all other pins are not connected):
Figure 12: 26-way High Density Female D-type
Pin
Signal
1
Ext Trigger
8
DMD Active
17 - 10
Frame Address [7:0]
3, 6, 18, 20, 25, 26
GND
•
The
Frame Address
is an 8-bit address input that allows the user to choose which frame is displayed in
response to external triggering.
•
DMD Active
and
Ext Trigger
signals are copies of the signals mentioned above and perform the same
functions.
3.1.6 c
ommunications
L
ink
This connects the Mosaic DMD Head to the PC using a USB 3.0 cable.
3.1.7 c
onnector
s
ignaL
e
LectricaL
s
pecification
Connector
Connector Type
Signal
Signal Type
Specification
DMD Active
SMA
-
Digital Output
VIH > 2.0 V across a 50 Ω load
Can drive > 50 Ω loads
Ext Trigger
SMA
-
Digital Input
5 V > VIH > 2.4 V
External Interface
26-way High Density
Female D-type
DMD Active
Digital Output
See above
Ext Trigger
Digital Input
See above
Frame Address [7:0]
Digital Input
As for Ext Trigger