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LC75857E Folha de dados(PDF) 1 Page - ON Semiconductor |
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LC75857E Folha de dados(HTML) 1 Page - ON Semiconductor |
1 / 39 page 92504TN (OT) No.7980-1/39 http://onsemi.com Semiconductor Components Industries, LLC, 2013 July, 2013 LC75857E LC75857W Overview The LC75857E and LC75857W are 1/3 duty and 1/4 duty LCD display drivers that can directly drive up to 164 segments and can control up to four general-purpose output ports. These products also incorporate a key scan circuit that accepts input from up to 30 keys to reduce printed circuit board wiring. Features Key input function for up to 30 keys (A key scan is performed only when a key is pressed.) 1/3 duty and 1/4 duty drive schemes can be controlled from serial data. 1/2 bias and 1/3 bias drive schemes can be controlled from serial data. Capable of driving up to 126 segments using 1/3 duty and up to 164 segments using 1/4 duty. Sleep mode and all segments off functions that are controlled from serial data. Switching between key scan output and segment output can be controlled from the serial data. The key scan operation enabled/disabled state can be controlled from the serial data. Switching between segment output port and general-purpose output port can be controlled from serial data. The common and segment output waveform frame frequency can be controlled from the serial data. Switching between RC oscillator mode and external clock mode can be controlled from the serial data. Serial data I/O supports CCB format communication with the system controller. Direct display of display data without the use of a decoder provides high generality. Independent VLCD for the LCD driver block. (When the logic block supply voltage VDD is in the range 3.6 to 6.0 V, VLCD can be set to a voltage in the range 0.75 VDD to 6.0 V, and when VDD is in the range 2.7 to 3.6 V, VLCD can be set to a voltage in the range 2.7 to 6.0 V.) Provision of an on-chip voltage-detection type reset circuit prevents incorrect displays. CMOS LSI 1/3, 1/4 Duty LCD Driver with Key Input Function Ordering number : E*N7980 CCB is a registered trademark of Semiconductor Components Industries, LLC. CCB is ON Semiconductor® ’s original format. All addresses are managed by ON Semiconductor® for this format. Advance Information This document contains information on a new product. Specifications and information herein are subject to change without notice. |
Nº de peça semelhante - LC75857E |
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Descrição semelhante - LC75857E |
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