lc75821e Sanyo Semiconductor Corporation, lc75821e Datasheet
lc75821e
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lc75821e Summary of contents
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... Data input: 3 serial input pins • INH pin for turning off all display output • The difference form the LC7582: The LC75821E, LC75821W are A/D converter, DSP function-removed versions of the LC7582 of which the functions other than the two can be used with pin compatibility with the LC7582 kept ...
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... MID Mid-level voltage V 2 COM1, COM2: V MID Oscillator frequency f OSC 680 pF OSC Hysteresis voltage V CE, CLK, DATA Current drain I V LCD LC75821E, 75821W = Symbol Conditions V max LCD LCD V 1 CE, CLK, DATA, INH OSC: output off ...
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... Power supply SS DD Display off control input INH = low (V INH INH = high (V Note that serial data transfers can be performed when display output is forced off. OPEN Make no connections to this pin. LC75821E, 75821W Function ) ..........Display off (S1 to S53, COM1, COM2 = low) SS ).........Display on DD No. 4532-3/10 ...
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... Data Transfer Examples 1. Static duty 2. 1/2 duty with 52 or fewer segments 3. 1/2 duty with more than 52 segments Note: The following transfer format is not allowed in 1/2 duty with 52 or fewer segments. LC75821E, 75821W The values of bits D53 and D106 are ignored.(don’t care) No. 4532-4/10 ...
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... Serial Data 1. Static duty (56 bits) Internal latch 1 2. 1/2 duty (112 bits) Internal latch 1 Internal latch 2 Output Waveforms 1. Static duty Segment off period LC75821E, 75821W Segment on period No. 4532-5/10 ...
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... COM1 and COM2 segments are off Display Examples 1. Static drive (1/1 duty) Example with 40 segments ( segments can be driven.) 2. 1/2 duty drive Example with 80 segments (Up to 104 segments can be driven.) LC75821E, 75821W Note: Numbers in circles indicate the number of segments used. No. 4532-6/10 ...
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... Note: The internal display data is undefined when power (V displayed if the display is turned on in that state, the display should be turned off by setting INH low and turned on only after display data has been sent from the controller. LC75821E, 75821W ) is first applied. Since a meaningless pattern will be DD ...
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... S45 D45 S46 D46 S47 D47 S48 D48 S49 D49 S50 D50 S51 D51 S52 D52 S53 D53 Note: Only COM1 is used in static (1/1 duty) drive. LC75821E, 75821W 1 COM1 1/2 duty D51 D52 D54 D55 D56 D57 D86 D87 D88 ...
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... Oscillator Frequency Refer to the figure below when determining the oscillator frequency. Figure 1 LC75821E, 75821W Oscillator Frequency vs. CR Constant Power supply voltage – V Figure 2 LC75821E, 75821W Oscillator Frequency vs. V Recommended range for external resistance: Recommended range for external capacitance: 330 to 3300 pF LC75821E, 75821W 10 – ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of February, 1998. Specifications and information herein are subject to change without notice. LC75821E, 75821W PS No. 4532-10/10 ...