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ML9478C 데이터시트(PDF) 12 Page - LAPIS Semiconductor Co., Ltd. |
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ML9478C 데이터시트(HTML) 12 Page - LAPIS Semiconductor Co., Ltd. |
12 / 31 page FEDL9478C-01 ML9478C 12/31 77-78 75-76 TEST1 TEST2 I Pin for testing the IC. It has an Internal pull-down resistor. Use it as it is connected to GND. 95-134 139-178 SEG1 SEG80 O Outputs for LCD display. Connected to the segment pins on the LCD panel. In the display off mode, all the outputs are fixed to GND. 85-88 135-138 183-186 COM1 COM4 O Outputs for LCD display. Connected to the common pins on the LCD panel. The output pins are located at three positions: both ends of the chip and between SEG40 and SEG41. Each is connected inside the chip. Use the COM pins in accordance with the panel to be used. In the display off mode, all the outputs are fixed to GND. When the slave is set (M/S=”L”), COM1 to COM4 outputs are GND level fixed. 32-37 VDD - Power supply pin for logic circuit. 38-43 VLCD - Power supply pin for LCD driver. 26-31 GND - Ground pin. 16 64 VDDO - VDD output pin. Use this pin when fixing the mode setting input pin to "H" on the COG. 3 79 GNDO - Ground output pin. Use this pin when fixing the mode setting input pin to "L" on the COG. 1-2 80-84 89-94 179-182 187-190 DUMMY - Floating pin. At this time, avoid this pin from shorting with pins other than DUMMY in the wiring on the COG. *1: For details of the COM /SEG waveform when a duty is selected, refer to "Common waveform" on page 18 and "Common Segment waveform" on page 19 to 23. *2: Oscillator circuit configuration • When M/S = "H", OSC I/E = "H" [Internal Rf oscillation mode] [External Rf oscillation mode] OPEN OSC2 OSC1 OSCR OSC2 R f OSC1 OPEN OSCR |
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