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ST7565R Datasheet(PDF) 45 Page - Sitronix Technology Co., Ltd. |
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ST7565R Datasheet(HTML) 45 Page - Sitronix Technology Co., Ltd. |
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45 / 72 page  ST7565R Ver 1.7c 45/72 2009/09/14 Common Output Mode Select This command can select the scan direction of the COM output terminal. For details, see the function explanation in “Common Output Mode Select Circuit.” E R/W Selected Mode A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0 1/65duty 1/49duty 1/33duty 1/55duty 1/53duty 1 1 0 0 0 * * * 0 1 0 1 Normal Reverse COM0→COM63 COM63→COM0 COM0→COM47 COM47→COM0 COM0→COM31 COM31→COM0 COM0→COM53 COM53→COM0 COM0→COM51 COM51→COM0 * Disabled bit Power Controller Set This command sets the power supply circuit functions. See the function explanation in “The Power Supply Circuit,” for details E R/W A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0 Selected Mode 0 0 1 0 1 0 1 Booster circuit: OFF Booster circuit: ON 0 1 Voltage regulator circuit: OFF Voltage regulator circuit: ON 0 1 0 0 1 Voltage follower circuit: OFF Voltage follower circuit: ON V0 Voltage Regulator Internal Resistor Ratio Set This command sets the V0 voltage regulator internal resistor ratio. For details, see the function explanation is “The Voltage Regulator circuit " and table 11 . E R/W A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0 Rb/Ra Ratio 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 1 0 ↓ 1 1 1 1 1 1 Small ↓ Large The Electronic Volume (Double Byte Command) This command makes it possible to adjust the brightness of the liquid crystal display by controlling the LCD drive voltage V0 through the output from the voltage regulator circuits of the internal liquid crystal power supply. This command is a two byte command used as a pair with the electronic volume mode set command and the electronic volume register set command, and both commands must be issued one after the other. The Electronic Volume Mode Set When this command is input, the electronic volume register set command becomes enabled. Once the electronic volume mode has been set, no other command except for the electronic volume register command can be used. Once the electronic volume register set command has been used to set data into the register, then the electronic volume mode is released. E R/W A0 /RD /WR D7 D6 D5 D4 D3 D2 D1 D0 0 1 0 1 0 0 0 0 0 0 1 |
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