DD-DB1-AL202C-GW Matrix Orbital, DD-DB1-AL202C-GW Datasheet - Page 31

• Manufacturer Part Number: DD-DB1-AL202C-GW
• Description: DEV BD 20X2 LCD GRY TXT WHT BL
• Manufacturer: Matrix Orbital
• Series: Dev Devilr

Specifications of DD-DB1-AL202C-GW

• Main Purpose: Displays, LCD Display
• Embedded: Yes, ASIC
• Utilized Ic / Part: AL202C
• Primary Attributes: 20 x 2 Display, Gray Text White Background
• Secondary Attributes: GUI, mini USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 635-1038

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, then the key up value is sent when the key is released. Default is typematic.
Mode
Turns auto repeat mode off. Default is on (typematic).
Assigns the key down and key up values sent to the host when a key press is detected. Defaults are shown below and
can be reset by setting all values to 255.
Key Down
Key Up
6.6.Set Auto
6.7.Auto Repeat
6.8.Assign
Repeat Mode
Mode Off
Keypad Codes
1 byte, 1 for hold mode or 0 for typematic
25 bytes, key down values
25 bytes, key up values
A(65) B(66) C(67) D(68) E(69)
U(85) V(86) W(87) X(88) Y(89)
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)
Dec
Hex
Dec
Hex
Dec
Hex
KeyDown
254 96
254 126
254 213
FE 60
FE 7E
FE D5
Mode
Mode
Key Down Key Up
Key Down Key Up
29
p(112) q(113) r(114) s(115) t(116)
u(117) v(118) w(119) x(120) y(121)
k(107) l(108) m(109) n(110) o(111)
f(102) g(103) h(104) i(105) j(106)
a(97)
b(98)
KeyUp
c(99)
d(100) e(101)