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SL20T0081 数据表(PDF) 10 Page - System Logic Semiconductor |
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SL20T0081 数据表(HTML) 10 Page - System Logic Semiconductor |
10 / 56 page SLS System Logic Semiconductor SL20T0081 System Control pins Pin Name I/O Function MS I This pin selects the master/slave operation for the SL20T0081 chip. Master operation outputs the timing signals that are required for the LCD display, while slave operation inputs the timing signals required for the liquid crystal display. MS = 1 : Master operation MS = 0 : Slave operation Following table shows difference of the master operation and the slave operation. MS 1 Internal Oscillator Circuit Enabled Disabled CLS 1 0 0 Disabled - Internal Power Supply Circuit Enabled Enabled CL Output Input SYNC DISP Output Output Output Output Disabled Input Input Input CL I/O This is the display clock input/output pin. When multiple SL20T0081 chips are used in master/slave mode, all of CL pins must be connected each other. DISP I/O This is the liquid crystal display blanking control pin. When multiple SL20T0081 chips are used in master/slave mode, all of DISP pins must be connected each other. HPMB I This is the power control pin for the power supply circuit for liquid crystal drive. HPMB = 1 : Normal mode HPMB = 0 : High power mode This pin is enabled only when the master operation mode is selected. It is fixed to either 0 or 1 when the slave operation mode is selected. CLS I Internal RC oscillator enable pin. CLS = 1 : Internal oscillator circuit is enabled. CLS = 0 : Internal oscillator circuit is disabled. When CLS=0, the display clock must be inputted through the CL pin. This pin is valid only when SL20T0081 operating in master operation. SYNC I/O LCD synchronization signal input/output pin. When multiple SL20T0081 chips are used in master/slave mode, all of SYNC pins must be connected each other. DUTY0 DUTY1 DUTY2 I The LCD driver duty ratio selection pins. DUTY1 0 1 DUTY0 0 1 Duty ratio 1/81 1/65 1 0 0 1 1/55 1/49 0 0 1/33 DUTY2 1 0 0 0 0 1 1 1/81 1 Common Output normal “ “ “ “ Even, Odd When Duty = (1, 1, 1), 1/81 duty ratio is selected, and common output pin configuration is changed. At this mode, all even numbered common output pins are outputting right side of the device and all odd numbered common output pins are outputting left side of the device. |
类似零件编号 - SL20T0081 |
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类似说明 - SL20T0081 |
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