Omron STC-HD203 Series - OSCD (on Screen Character Display) Command; Byte Command

No. 13S054-10
STC-HD203DV / STC-HD203DV-CS / STC-HD203SDI / STC-HD203SDI-CS
Product Specifications and Users Guide
57/78
7.6 OSCD (On Screen Character Display) Command
2 Byte Command
Note: The data have to send as follow order D15-D8, D7-D0.
Function D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4
Video RAM Batch
Clear Command
0 0 0 0 0 0 0 0 0 0 0 0
Display Control
Command
0 0 0 0 1 0 0 0 DO 0 FC FA
Character Size
Control Command
0 0 0 1 0 1 V4 V3 V2 V1 V0 H4
Write Address
Control Command
0 0 0 1 1 1 0 AD8 AD7 AD6 AD5 AD4
Character Size
Control Command
0 0 1 0 0 0 SV1 SV0 SH1 SH0 0 0
Function D3 D2 D1 D0
Video RAM Batch
Clear Command
0 0 0 0
Display Control
Command
0 0 BL1 BL0
Character Size
Control Command
H3 H2 H1 H0
Write Address
Control Command
AD3 AD2 AD1 AD0
Character Size
Control Command
AR3 AR2 AR1 AR0
Video RAM Batch Clear Command
Clear the all character data (12Lines 28digits) on Video RAM. meanwhile, Display ON, Framing ON, Blinking, Frame Color
and character size might set as default (00H) on all lines.
Display Control Command
DO：Display (0:Display ON, 1:Display OFF)
FC：Frame color (0:Black, 1:White)
FA：Framing (0:ON, 1:OFF)
BL1、BL0：Set the 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
Set 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)
Set the address to write the character. the address consists of RAW 0 (Column 0 to 27), RAW 1 (Column 56 to 83) …
RAW11 (Column 308 to 335).