LC74784M Sanyo Semiconductor Corporation, LC74784M Datasheet
LC74784M
Related parts for LC74784M
LC74784M Summary of contents
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... Preliminary Overview The LC74784 and LC74784M are on-screen display CMOS LSIs that display characters and patterns screen under microprocessor control. The LC74784 and LC74784M display lines of 24 characters, each dot matrix. Features • Display structure: 12 lines 288 characters) • Character structure: 12 (horizontal) 18 (vertical) dots • ...
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Pin Functions Pin No. Symbol Function Ground SS 2 Xtal IN Crystal oscillator connection 3 Xtal OUT 4 CTRL1 Crystal oscillator input switching 5 BLANK Blanking output 6 OSC IN LC oscillator connection 7 OSC OUT 8 ...
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Pin Assignment Specifications Absolute Maximum Ratings 25°C Parameter Maximum supply voltage Maximum input voltage Maximum output voltage Allowable power dissipation Operating temperature Storage temperature Allowable Operating Ranges –30 to +70°C Parameter Symbol V 1 ...
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Electrical Characteristics –30 to +70°C, V Parameter Symbol Input off leakage current I 1 leak Output off leakage current I 2 leak Output high level voltage Output low level voltage ...
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Serial Data Input Timing LC74784, 74784M No. 4991-5/15 ...
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System Block Diagram LC74784, 74784M No. 4991-6/15 ...
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Display Control Commands The display control commands have a serial input format with 8-bit units. A command consists of a command identifier code in the first byte and data in the second and subsequent bytes. There are eight commands as ...
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COMMAND0 (Display memory write address setup command) First byte DA0 to DA7 Register name State 7 — — — — ...
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Second byte DA0 to DA7 Register name State ...
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Second byte DA0 to DA7 Register name State 7 — VP5 5 (MSB VP4 VP3 VP2 VP1 1 0 VP0 0 (LSB) ...
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COMMAND4 (Display control setup command) First byte DA0 to DA7 Register name State 7 — — — — TSTMOD RAMERS OSCSTP SYSRST ...
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COMMAND5 (Display control setup command) First byte DA0 to DA7 Register name State 7 — — — — NP1 NP0 NON INT ...
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COMMAND6 (Synchronization signal detection setup command) First byte DA0 to DA7 Register name State 7 — — — — MOD1 MOD0 DISLIN ...
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Second byte DA0 to DA7 Register name State 7 — CINSEL CINCTL VNPSEL VSPSEL MSKERS MSKSEL EGL 1 Note: ...
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Composite Video Signal Output Level (internally generated level) CV Output level V : Character CHA V 1: Border Background color high RSH V : Color burst high CBH V : Background color low RSL V 0: Border ...
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Caption P.5 1. Serial to parallel converter 2. Character output dot clock generator 3. Sync separator 4. 8-bit latch + command decoder 5. Sync discriminator 6. Composite synchronizati on signal separator control 7. Horizontal character size register 8. Horizontal size ...
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NEW P.3 DIP24S, MFP24 P.6/15 Composite sync signal separator control 15/ ...