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S1D13706F00A Datasheet(PDF) 33 Page - Epson Company |
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S1D13706F00A Datasheet(HTML) 33 Page - Epson Company |
33 / 94 page ![]() S1D13305 Series EPSON 27 Technical Manual 8.2.1.13. AP Defines the horizontal address range of the virtual screen. APL is the least significant byte of the address. Figure 8. AP and C/R relationship 8.2.2. SLEEP IN Places the system in standby mode. This command has no parameter bytes. At least one blank frame after receiving this command, the S1D13305F halts all internal opera- tions, including the oscillator, and enters the sleep state. Figure 7. AP parameters APL AP7 AP6 AP5 AP4 AP3 AP2 AP1 AP0 APH AP15 AP14 AP13 AP12 AP11 AP10 AP9 AP8 Table 8. Horizontal address range Hex code [AP] addresses APH APL per line 0000 0 0001 1 ↓↓↓↓ ↓ 0050 80 ↓↓↓↓ ↓ FFFE 216 – 2 FFFF 216 – 1 Display area C/R Display memory limit AP Blank data is sent to the X-drivers, and the Y-drivers have their bias supplies turned off by the YDIS signal. Using the YDIS signal to disable the Y-drivers guards against any spurious displays. The internal registers of the S1D13305 series maintain their values during the sleep state. The display memory control pins maintain their logic levels to ensure that the display memory is not corrupted. The S1D13305 series can be removed from the sleep state by sending the SYSTEM SET command with only the P1 parameter. The DISP ON command should be sent next to enable the display. Figure 9. SLEEP IN instruction 1. The YDIS signal goes LOW between one and two frames after the SLEEP IN command is received. Since YDIS forces all display driver outputs to go to the deselected output voltage, YDIS can be used as a power-down signal for the LCD unit. This can be done by having YDIS turn off the relatively high- power LCD drive supplies at the same time as it blanks the display. 2. Since all internal clocks in the S1D13305 series are halted while in the sleep state, a DC voltage will be applied to the LCD panel if the LCD drive supplies remain on. If reliability is a prime consideration, turn off the LCD drive supplies before issuing the SLEEP IN command. 3. Note that, although the bus lines become high imped- ance in the sleep state, pull-up or pull-down resistors on the bus will force these lines to a known state. MSB LSB C 0 1 01001 1 INSTRUCTION SET |
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