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ST7578 Datasheet(PDF) 30 Page - Sitronix Technology Co., Ltd. |
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ST7578 Datasheet(HTML) 30 Page - Sitronix Technology Co., Ltd. |
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30 / 52 page ![]() ST7578 Ver 1.2 30/52 2007/04/30 Set X Address of RAM The X address points to the columns. The range of X is 0…101. A0 R/W(RWR) D7 D6 D5 D4 D3 D2 D1 D0 0 0 1 X6 X5 X4 X3 X2 X1 X0 X6 X5 X4 X3 X2 X1 X0 Column address 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 1 0 2 0 0 0 0 0 1 1 3 : : : : : : : : 1 1 0 0 0 1 1 99 1 1 0 0 1 0 0 100 1 1 0 0 1 0 1 101 H=1 (Extended Instruction) Display Configuration Top/bottom row mode set data order A0 R/W(RWR) D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 0 0 1 DO X X Flag Description DO DO=0: LSB is on top DO=1: MSB is on top Refer to Page 23. System Bias Select LCD bias ratio of the voltage required for driving the LCD. A0 R/W(RWR) D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 0 0 1 0 BS2 BS1 BS0 BS2 BS1 BS0 Bias 0 0 0 11 0 0 1 10 0 1 0 9 0 1 1 8 1 0 0 7 1 0 1 6 1 1 0 5 1 1 1 4 Recommend LCD Bias Voltage Symbol Voltage for 1/9 Bias V0 V0 VG 2/9 x V0 VM 1/9 x V0 VSS VSS * VG range: 1.24V ≤ VG < VDD2. * VM range: 0.62V ≤ VM < VDD2. |
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