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8
Definitions
ASCII:
American standard code for information interchange used to give standardized numeric codes
to alphanumeric characters.
BPS:
Bits per second, a measure of transmission speed.
FFSTN:
Double film super-twisted nematic in reference to an LCD. The addition of two layers of film
between the STN display and polarizer improves contrast.
GPO:
General purpose output, used to control peripheral devices from a display.
GUI:
Graphical user interface.
Hexadecimal:
A base 16 number system utilizing the numerals and letters 0 through F to represent the
values 0-15.
I2C:
Inter-integrated circuit protocol employing a clock and data line to communicate a short
distance at slow speeds between a master and up to 128 addressable slave devices. A Matrix Orbital
display is a slave device.
LSB:
Least significant bit or byte
in a transmission, the rightmost when read.
MSB:
Most significant bit or byte in a transmission, the leftmost when read.
RS232:
Recommended standard 232, a common
serial protocol. A low level is -30V, a
high is +30V.
SDA:
Serial data
line used to transfer data in I2C
protocol. This open drain line should be pulled high
through a resistor. Nominal values are between 2K and 10K Ω.
SCL:
Serial clock line used to designate data bits in I2C
protocol. This open drain line should be pulled
high through a resistor. Nominal values are between 2K and 10K Ω.
STN:
Super-twisted nematic in reference to an LCD. In a relaxed or nematic state, crystals orientate
themselves in the same direction and allow light to pass. In an excited state these
crystals align to block
light. Super-twisted crystals move from 180 to 270 degrees providing
greater contrast than TN models.
TTL:
Transistor-transistor logic applied to serial protocol. Low level is 0V while high logic is 5V.
USB:
Universal Serial Bus protocol widely used in PCs.
9
Contact
Sales
Phone: 403.229.2737
Email: sales@matrixorbital.ca
Support
Phone: 403.204.3750
Email: support@matrixorbital.ca
Online
Purchasing: www.matrixorbital.com
Support: www.matrixorbital.ca
发布紧急采购，3分钟左右您将得到回复。
相关PDF资料
GLK24064-25-WB-V
LCD GRAPHIC DISPL 240X64 BLU/WHT
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LCD TOUCH 128X240 WHT/GRY
GM2BB50BM0C
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