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ML9209-XX Datasheet(PDF) 11 Page - OKI electronic componets |
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11 / 29 page FEDL9209-01 OKI Semiconductor ML9209-xx 11/29 FUNCTIONAL DESCRIPTION Command List Command LSB First byte MSB LSB Second byte MSB B0 B1 B2 B3 B4 B5 B6 B7 B0 B1 B2 B3 B4 B5 B6 B7 1 DCRAM data write X0 X1 X2 X3 1 0 0 0 C0 C1 C2 C3 C4 C5 C6 C7 C0 C1 C2 C3 C4 C5 C6 C7 2nd byte 2 CGRAM data write X0 X1 X2 X3 0 1 0 0 C8 C9 C10 C11 C12 C13 C14 C15 3rd byte 3 ADRAM data write X 0 X 1 X 2 X 3 1 1 0 0 C0 C1 * * * * * * 5 Display duty set D0 D1 D2 D3 1 0 1 0 6 Number of digits set K0 K1 K2 K3 0 1 1 0 7 All display lights ON/OFF L H * * 1 1 1 0 Others (test mode) * : Don’t care Xn : Address setting for each RAM Cn : Character code setting for each RAM Dn : Display duty setting Kn : Setting of the number of display digits H : All display lights ON setting L : All display lights OFF setting When data is written to RAM (DCRAM, CGRAM, and ADRAM) continuously, addresses are internally incremented automatically. Therefore it is not necessary to specify the 1st byte to write RAM data for the 2nd and subsequent bytes. Note: The test mode is used for inspection before shipment. It is not a user function. Positional Relationship Between SEGn and ADn (one digit) SEG1 C0 SEG2 C1 C4 SEG5 C5 SEG6 C14 SEG15 C10 SEG11 C11 SEG12 C13 SEG14 C9 SEG10 C15 SEG16 C0–7: Corresponds to the 2nd byte of the CGRAM data write command. C8–15: Corresponds to the 3rd byte of the CGRAM data write command. |
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