参数资料
型号: LK204-25-E
厂商: Matrix Orbital
文件页数: 26/47页
文件大小: 2507K
描述: LCD APHA/NUM DISPL 20X4 Y/G BK
产品变化通告: LK204-25 Series Release 03/Mar/2010
Backlight Change 02/Mar/2010
12C Displays Change 11/Oct/2011
标准包装: 1
系列: LK204-25
显示器类型: TN - 扭曲向列
显示模式: 可传导的
数字/字母数: 80
外形L x W x H: 98.00mm x 60.00mm x 27.50mm
可视范围: 76.00mm L x 25.20mm W
显示格式: 20 x 4
字符尺寸: 4.75mm H x 2.95mm W
字符格式: *
电源电压: 5.0V
接口: I²C,RS232,TTL
工作温度: -20°C ~ 70°C
32
6.6.
Set Auto Repeat
Mode
Dec
Hex
254 126
FE 7E
Mode
Mode
Sets key press repeat mode to typematic or hold. In typematic mode if a key press is held, the key value is
transmitted immediately, then 5 times a second after a 1 second delay. In hold mode, the key down value is
transmitted once when pressed, and then
the key up value is sent when the key is released. Default is typematic.
Mode
1 byte, 1 for hold mode or 0 for typematic
6.7.
Auto Repeat
Mode Off
Dec
Hex
254 96
FE 60
Turns auto repeat mode off. Default is on (typematic).
6.8.
Assign Keypad
Codes
Dec
Hex
254 213
FE D5
Key Down Key Up
Key Down Key Up
Assigns the key down and key up values sent to the host when a key press is detected. A key up and key down
value must be sent for every key, a value of 255 will leave the key unaltered. Defaults are shown below.
Key Down
25 bytes, key down values
Key Up
25 bytes, key up values
Table 26: Default Key Down Values
Key Down
A(65)
B(66)
C(67)
D(68)
E(69)
F(70)
G(71)
H(72)
I(73)
J(74)
K(75)
L(76)
M(77)
N(78)
O(79)
P(80)
Q(81)
R(82)
S(83)
T(84)
U(85)
V(86)
W(87)
X(88)
Y(89)
Table 27: Default Key Up Values
Key Up
a(97)
b(98)
c(99)
d(100)
e(101)
f(102)
g(103)
h(104)
i(105)
j(106)
k(107)
l(108)
m(109)
n(110)
o(111)
p(112)
q(113)
r(114)
s(115)
t(116)
u(117)
v(118)
w(119)
x(120)
y(121)
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