7 appendix: specifications and options, 1 specifications – Matrix Orbital LCD/VFD Legacy User Manual
Page 29

Command
Syntax
Default
Notes
Read Version Number
FE 36
254 54
254 ’6’
Reads
the
firmware
ver-
sion
number
of the module.
Returns a 1-byte
value.
Enter flow control mode
FE 3A [full] [empty]
254 58 [full] [empty]
254 ’:’ [full] [empty]
off
Sets "full" and
"empty"
marks
for the 80 byte
display
buffer.
When
buffer
reaches
[full]
display
will
return 0xFE to
host.
When
buffer
reaches
[empty] display
will return 0xFF.
Exit flow control mode
FE 3B
254 59
254 ’;’
Turns off flow
control.
7 Appendix: Specifications and Options
7.1 Specifications
Table 20: Environmental Specifications
Standard Temperature
Extended Temperature
Operating Temperature
0
◦
C to +50
◦
C
-20
◦
C to +70
◦
C
Storage Temperature
-20
◦
C to +70
◦
C
-40
◦
C to +85
◦
C
Operating Relative Humidity
90% max non-condensing 90% max non-condensing
Table 21: Electrical Specifications
Supply Voltage
4.75 - 5.25 Vdc (optional 7 - 35 Vdc)
Supply Current
10 mA typical
Supply Backlight Current
115 mA typical
Matrix Orbital
LCD4041
26