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KS0717 Datasheet(PDF) 11 Page - Samsung semiconductor |
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KS0717 Datasheet(HTML) 11 Page - Samsung semiconductor |
11 / 64 page 55 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD KS0717 8 SYSTEM CONTROL Table 5. System Control Pins Description Name I/O Description Master / Slave operation select pin − MS = "H": master operation − MS = "L": slave operation The following table depends on the MS status. MS CLS OSC circuit Power supply circuit CL M FRS DISP H Enabled Enabled Output Output Output Output H L Disabled Enabled Input Output Output Output L - Disabled Disabled Input Input Output Input MS I CLS I Built-in oscillator circuit enable / disable select pin − CLS = “H”: enable − CLS = “L”: disable (external display clock input to CL pin) CL I/O Display clock input / output pin When the KS0717 is used in master / slave mode (multi-chip), the CL pins must be connected each other. M I/O LCD AC signal input / output pin When the KS0717 is used in master/slave mode (multi-chip), the M pins must be connected each other. − MS = “H”: output − MS = “L”: input FRS O Static driver segment output pin This pin is used together with the M pin. DISP I/O LCD display blanking control input/output When KS0717 is used in master/slave mode (multi-chip), the DISP pins must be connected each other. − MS = “H”: output − MS = “L”: input INTRS I Internal resistor select pin This pin selects the resistors for adjusting V0 voltage level. − INTRS = "H": use the internal resistors − INTRS = "L": use the external resistors V0 voltage is controlled by VR pin and external resistive divider. HPMB I Power control pin of the power supply circuit for LCD driver − HPMB = "L": high power mode − HPMB = "H": normal mode This pin is valid in master mode TEMPS I Test pin This pin is fixed to High or Low. |
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