lc75835w Sanyo Semiconductor Corporation, lc75835w Datasheet
lc75835w
Related parts for lc75835w
lc75835w Summary of contents
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... In addition to being able to directly drive up to 136 LCD segments, the LC75835W can also control general-purpose output ports. It incorporates an oscillation circuit that reduces the external resistors and capacitors used for oscillation. ...
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... CE hold time tch φ High-level clock pulse width t Low-level clock pulse width t Rise time Fall time INH switching time LC75835W Symbol Conditions V DD max LCD max V LCD CE, CL, DI, INH , OSCI LCD 1, V LCD 2 V OUT ...
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... Note: *2 Excluding the bias voltage generation divider resistors (R LCD = 30kΩ typ.) built in the V LCD 1 and V LCD 2. (See Figure 1.) Note: *3 External clock operating mode ( 32.8kHz 0V, rise/fall time = 20ns) Note: *4 Serial data transfer (data transfer frequency 2MHz 0V, rise/fall time = 20ns) LC75835W Pin Conditions 3. ...
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... When CL is stopped at the high level CE tφ tds 3. OSCI pin clock timing in external clock operating mode 50% OSCI LC75835W V LCD Except these resistors. R LCD To the common and segment drivers R LCD R LCD V SS Figure tφL tf tcp ...
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... SANYO : SQFP48(7X7) Pin Assignment COM2 COM1 LCD V LCD 1 V LCD OSCI INH LC75835W 0. LC75835W S24 S23 S22 S21 S20 S19 S18 S17 S16/P16 S15/P15 S14/P14 13 S13/P13 Top view No.A0429-5/35 ...
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... Block Diagram INH OSCI LCD LCD 1 V LCD 2 LC75835W COMMON SEGMENT DRIVER & LATCH DRIVER CLOCK CONTROL GENERATOR REGISTER CCB INTERFACE SHIFT REGISTER No.A0429-6/35 ...
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... Power supply pin for the LCD driver block. A power voltage of 2.7V to 5.5 V must be applied to this pin Power supply pin. Must be connected to ground. LC75835W Function S1/P1 to S16/P16 = low ( (These pins are forcibly set to the general-purpose output port and held at the VSS level.) ...
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... D193 D194 D195 D196 D197 D198 D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D215 D216 CCB address 8 bit LC75835W Display data 24 bit Display data 24 bit ...
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... BF0, BF1 ......... Segment blinking frequency setting control data • SC ...................... Segment on/off control data • BC ...................... LCD drive bias voltage generation divider resistor current on/off control data • BU ...................... Normal mode/power-saving mode control data LC75835W Display data 24 bit Display data 16 bit Display data ...
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... D193 D194 D195 D196 D197 D198 D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D215 D216 CCB address 8 bit LC75835W Display data 24 bit Display data 24 bit ...
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... BF0, BF1 ......... Segment blinking frequency setting control data • SC ...................... Segment on/off control data • BC ...................... LCD drive bias voltage generation divider resistor current on/off control data • BU ...................... Normal mode/power-saving mode control data LC75835W Display data 24 bit Display data 16 bit Display data ...
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... D193 D194 D195 D196 D197 D198 D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 CCB address 8 bit LC75835W Display data 24 bit Display data 24 bit ...
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... SC ...................... Segment on/off control data • BC ...................... LCD drive bias voltage generation divider resistor current on/off control data • BU ...................... Normal mode/power-saving mode control data LC75835W Control data 48 bit PZ0 PZ1 PZ2 PZ3 PZ4 PZF FC0 FC1 BF0 BF1 ...
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... D193 D194 D195 D196 D197 D198 D199 D200 D201 D202 D203 D204 D205 D206 D207 D208 D209 D210 CCB address 8 bit LC75835W Display data 24 bit Display data 24 bit Display data ...
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... SC ...................... Segment on/off control data • BC ...................... LCD drive bias voltage generation divider resistor current on/off control data • BU ...................... Normal mode/power-saving mode control data LC75835W Control data 48 bit PZ0 PZ1 PZ2 PZ3 PZ4 PZF FC0 FC1 BF0 BF1 ...
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... Note: After the above serial data is sent, the contents of the display data can be changed by transferring only the serial data (CCB addresses, display data, fixed data, and direction data) including the display data to be changed in 40-bit units. LC75835W 56 bit PZ0 PZ1 PZ2 PZ3 PZ4 PZF FC0 FC1 BF0 BF1 ...
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... Note: After the above serial data is sent, the contents of the display data can be changed by transferring only the serial data (CCB addresses, display data, fixed data, and direction data) including the display data to be changed in 40-bit units. LC75835W 56 bit PZ0 PZ1 PZ2 PZ3 PZ4 PZF FC0 FC1 BF0 BF1 ...
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... This control data bit sets the frequency of the buzzer control signals (square waves with a 50% duty ratio). PZF Buzzer control signal frequency fz [Hz] 0 fosc/144 /16 1 fosc/72 Note: fosc: Internal oscillation frequency (295 [kHz] typ.), External clock operating frequency (32.8 [kHz] typ.) LC75835W PC2 PC3 PC4 PC5 ...
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... BC: LCD drive bias voltage generation divider resistor current on/off control data This control data is used to turn on/off the current to the LCD drive bias voltage generation divider resistors LC75835W Output pin (COM4/S35) status COM4 (common output) S35 (segment output) Input pin (OSCI) status Must be connected to GND ...
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... D234 S31 D241 D242 S32 D249 D250 S33 D257 D258 S34 D265 D266 Note: The applies to the case where the S1/P1 to S16/P16 output pins are set to be segment output ports. LC75835W Mode COM2 COM3 D11 D12 D13 D14 D19 D20 ...
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... Note: X: don’t care LC75835W D86 D87 D88 The LCD segments corresponding to COM1, COM2, COM3, and COM4 are off The LCD segments corresponding to COM1, COM2, COM3, and COM4 are on The LCD segments for COM1, COM2, COM3, and COM4 are blinking. ...
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... S32 D187 D188 S33 D193 D194 S34 D199 D200 S35/COM4 D205 D206 Note: The applies to the case where the S1/P1 to S16/P16 and S35/COM4 output pins are set to be segment output ports. LC75835W COM2 COM3 D10 D11 D12 D15 D16 D17 ...
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... Note: X: don’t care LC75835W D66 The LCD segments corresponding to COM1, COM2, and COM3 are off The LCD segments corresponding to COM1, COM2, and COM3 are on The LCD segments for COM1, COM2, and COM3 are blinking. ...
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... FC1 Note: fosc: Internal oscillation frequency (295 [kHz] typ.), External clock operating frequency (32.8 [kHz] typ.) LC75835W fo[Hz] Frame frequency fo [Hz] fosc/5760 /640 fosc/4608 /512 fosc/3456 /384 fosc/2304 /256 V LCD V LCD 1 V LCD 2 0V ...
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... FC1 Note: fosc: Internal oscillation frequency (295 [kHz] typ.), External clock operating frequency (32.8 [kHz] typ.) LC75835W fo[Hz] Frame frequency fo [Hz] fosc/5760 /640 fosc/4608 /512 fosc/3456 /384 fosc/2304 /256 V LCD V LCD 1,V LCD LCD ...
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... FC1 Note: fosc: Internal oscillation frequency (295 [kHz] typ.), External clock operating frequency (32.8 [kHz] typ.) LC75835W fo[Hz] Frame frequency fo [Hz] fosc/5670 /630 fosc/4536 /504 fosc/3402 /378 fosc/2268 /252 V LCD V LCD 1 V LCD 2 0V ...
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... FC1 Note: fosc: Internal oscillation frequency (295 [kHz] typ.), External clock operating frequency (32.8 [kHz] typ.) LC75835W fo[Hz] Frame frequency fo [Hz] fosc/5670 /630 fosc/4536 /504 fosc/3402 /378 fosc/2268 /252 V LCD V LCD 1,V LCD LCD ...
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... INH pin high after the data transfer has completed. This procedure prevents meaningless displays at power on. (See Figures 5 and 6.) Notes on the Power On/Off Sequences Applications should observe the following sequences when turning the LC75835W power on and off. (See Figures 5 and 6) • At power on: Logic block power supply ( → LCD driver block power supply (V LCD ) on • ...
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... LCD INH CE PC1 to PC16,PS1 to PS16, Internal data PZ0 to PZ4,PZF,DR,DT,OC, FC0,FC1,BF0,BF1,SC,BC,BU Internal data (D1 to D24) Internal data (D25 to D48) Internal data (D169 to D192) Internal data (D193 to D210) LC75835W t1 Display data and control data transfer Undefined Undefined Undefined Undefined Undefined Figure ...
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... Notes on Controller Transfer of Display Data Since the LC75835W accepts the display data (D1 to D272) divided into 12 separate transfer operations when using 1/4 duty drive scheme and data (D1 to D210) divided into 9 separate transfer operations when using 1/3 duty drive scheme, we recommend that the applications transfer all of the display data within a period of less than 30ms to prevent observable degradation of display quality ...
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... The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected; the clock must be input from an external source when the external clock operating mode (OC = “1”) has been selected. *6: Control data BC must be set to “1”. LC75835W S35/COM4 ...
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... The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected; the clock must be input from an external source when the external clock operating mode (OC = “1”) has been selected. *6: Control data BC must be set to “1”. LC75835W S35/COM4 ...
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... The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected; the clock must be input from an external source when the external clock operating mode (OC = “1”) has been selected. *6: Control data BC must be set to “1”. LC75835W LCD ...
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... The OSCI pin must be connected to GND when the internal oscillator operating mode (OC = “0”) has been selected; the clock must be input from an external source when the external clock operating mode (OC = “1”) has been selected. *6: Control data BC must be set to “1”. LC75835W LCD ...
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... SANYO Semiconductor 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 December, 2006. Specifications and information herein are subject to change without notice. LC75835W PS No.A0429-35/35 ...