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LC75878W データシート(PDF) 6 Page - Sanyo Semicon Device |
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LC75878W データシート(HTML) 6 Page - Sanyo Semicon Device |
6 / 35 page LC75878W No.6473-6/35 Pin Functions Symbol Pin No. Function Active I/O Handling when unused S1 to S73 S74/COM10 S75/COM9 1 to 73 74 75 Segment driver outputs. The S74/COM10 and S75/COM9 pins can be used as common driver outputs under the control data. - O OPEN COM1 to COM8 83 to 76 Common driver outputs. - O OPEN P1 to P4 84 to 87 General-purpose output ports. - O OPEN OSC 96 Oscillator connection. An oscillator circuit is formed by connecting an external resistor and capacitor at this pin. - I/O VDD CE 98 H I CL 99 I DI 100 Serial data transfer inputs. These pins are connected to the microcontroller. CE: Chip enable CL: Synchronization clock DI: Transfer data - I GND INH 97 Input that turns the display off and forces the general-purpose output ports low. • When INH is low (VSS) • Display off S1 to S73 = “L” (VLCD4). S74/COM10, S75/COM9 = “L” (VLCD4) COM1 to COM8 = “L” (VLCD4). • General-purpose output ports P1 to P4 = low (VSS) • When INH is high (VDD) • Display on • The states of the general-purpose output ports can be set by the PC1 to PC4 control data. However, serial data can be transferred when the INH pin is low. L I GND VLCD0 90 LCD drive 4/4 bias voltage (high level) supply pin. The level on this pin can be changed by the display contrast adjustment circuit. However, (VLCD0 - VLCD4) must be greater than or equal to 4.5V. Also, external power must not be applied to this pin since the pin circuit includes the display contrast adjustment circuit. - O OPEN VLCD1 91 LCD drive 3/4 bias voltage (middle level) supply pin. This pin can be used to supply the 3/4 (VLCD0 - VLCD4) voltage level externally. - I OPEN VLCD2 92 LCD drive 2/4 bias voltage (middle level) supply pin. This pin can be used to supply the 2/4 (VLCD0 - VLCD4) voltage level externally. - I OPEN VLCD3 93 LCD drive 1/4 bias voltage (middle level) supply pin. This pin can be used to supply the 1/4 (VLCD0 - VLCD4) voltage level externally. - I OPEN VLCD4 94 LCD drive 0/4 bias voltage (low level) supply pin. Fine adjustment of the display contrast can be implemented by connecting an external variable resistor to this pin. However, (VLCD0 - VLCD4) must be greater than or equal to 4.5V, and VLCD4 must be in the range 0 V to 1.5V, inclusive. - I GND VDD 88 Logic block power supply connection. Provide a voltage of between 2.7 and 6.0V. - - - VLCD 89 LCD driver block power supply connection. Provide a voltage of between 7.0 and 11.0V when the display contrast adjustment circuit is used and provide a voltage of between 4.5 and 11.0V when the circuit is not used. - - - VSS 95 Power supply connection. Connect to ground. - - - |
同様の部品番号 - LC75878W |
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同様の説明 - LC75878W |
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