Matrix-orbital GLC24064 Manual de usuario Pagina 22

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Examples
Crystal Speed 16 Mhz
Desired BAUD 13,500
speed =
crystalspeed
8 DesiredBaud
1
speed = 148.15 1
speed =
16, 000, 000
8 13, 500
1
speed = 147.15
LSB = 0x93 (rounded)
MSB = 0x00
Intended Baud Rate: 13,500 baud Actual Baud Rate:
16,000,000
8(147+1)
=13,514 Percent Difference: 0.1%
NOTES
Results from the formula are rounded down to the nearest whole number (i.e 73.07
= 73).
This formula becomes less acurate as baud rates increase, due to rounding.
Place the speed result backwards into the formula to receive the actual baud rate.
(Baud =
CrystalSpeed
8(speed+1)
)
The actual baud rate must be within 3% of the intended baud rate for the device to
communicate.
NOTES
This command is not available in I
2
C mode.
5 Fonts
5.1 Introduction
The comes loaded with the Small Filled’ and Futura Bk BT 16’ fonts by default. However, it is capable
of displaying any font that is uploaded to it in the correct format. MOGD# provides a simple method of
generating font files from your installed fonts. For instructions on how to install MOGD# see Section 1.5.1
on page 4.
Matrix Orbital GLC24064 17
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