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8.6
OSCD (On Screen Character Display) Command
2 Byte Command
Note: The data have to send as follow order D15-D8, D7-D0.
Function
D15
Video RAM Batch
0
Clear Command
Display Control
0
Command
Character Size
0
Control Command
Write Address
0
Control Command
Character Size
0
Control Command
Video RAM Batch Clear Command
Clear the all character data (12Lines 28digits) on Video RAM.
Display, Framing color , Framing, Blinking, Frame Color and character size wii set as default (00H) on all lines.
Display Control Command
DO: Display
FC: Frame color
FA: Framing
BL1, BL0: Blinking Frequency
(00: Blinking OFF, 01: Blinking Frequency approximately 2 Hz, 02: Blinking Frequency approximately 1 Hz,
03: Blinking Frequency approximately 0.5 Hz)
Character Size Control Command
Sets the start position. 32 steps / 8 dots unit on horizontal. 32 steps / 4 lines unit on vertical.
H4, H3, H2, H1, H0: 8 dots unit (0 to 31)
V4, V3, V2, V1, V0: 4 lines unit (0 to 31)
Write Address Control Command
AD8, AD7, AD6, AD5, AD4, AD3, AD2, AD1, AD0: Address (0 to 335)
Sets the address to write character.
The address consists of RAW 0 (Column 0 to 27), RAW 1 (Column 56 to 83) ... RAW11 (Column 308 to 335).
Character Size Control Command
Sets the character size for each row.
SV1, SV0: Size on Vertical
SH1, SH0: Size on Horizontal
AR3, AR2, AR1, AR0: Number of row
STC-HD213DV / STC-HD213DV-CS / STC-HD213SDI / STC-HD213SDI-CS /
STC-HD213DVN / STC-HD213DVN-CS / STC-HD213SDIN / STC-HD213SDIN-CS
Product Specifications and User's Guide
D14
D13
D12
D11
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
(0:Display ON, 1:Display OFF)
(0:Black, 1:White)
(0:ON, 1:OFF)
(00: x1, 01: x2, 02: x3, 03: x4)
D10
D9
D8
D7
0
0
0
0
0
0
0
DO
1
V4
V3
V2
1
0
AD8
AD7
0
SV1
SV0
SH1
(00: x1, 01: x2, 02: x3, 03: x4)
(0 to 11)
D6
D5
D4
D3
0
0
0
0
0
FC
FA
0
V1
V0
H4
H3
AD6
AD5
AD4
AD3
SH0
0
0
AR3
No. 20S071-01
D2
D1
D0
0
0
0
0
BL1
BL0
H2
H1
H0
AD2
AD1
AD0
AR2
AR1
AR0
91/94
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