ML9058E datasheet(57/76 Pages) ETC2

57 / 76 page

FEDL9058E-01

LAPIS Semiconductor

ML9058E

57/76

Power Supply OFF (*15)

Any state

Function stabilization using command input (user settings)

Power save

*16

VDD-VSS Power supply OFF

Notes:

Sections to be referred to

*15:

The power supply of this LSI is switched OFF after switching OFF the internal power supply.

Function description “Power supply circuit”

If the power supply of this LSI is switched OFF when the internal power supply is still ON, since

the state of supplying power to the built-in LCD drive circuits continues for a short duration, it

may affect the display quality of the LCD panel. Always follow the power supply switching OFF

sequence.

*16:

Description of operation “Power save”

*17:

After reset is input the power supply may off without obeying above sequence.



Refresh

Although the ML9058E holds operation state by commands, excessive external noise might change the internal

state.

On a chip-mounting and system level, it is necessary to take countermeasures against preventing noise from

occurring. It is recommended to use the refresh sequence periodically to control sudden noise.

*18: Regardless of presence of setting of “Read-modify-write”commanfd, please carry out “END”

command.

Set to the state in which all commands have been set.

Test mode release command

(E3(H))

Refresh RAM

- LCD bias set

- ADC select

- Display Forwar/Reverse

- Set “LCD ALL-on display“ ON

- Common output state select

- LCD drive mode set

- Static indecator register set

- Voltage V1 adjustment internal

resistance ratio set

- Electronic potnetiometer

- Power control set

- Release the read-modify-write sate(END)

(*18)

- Set “NOP” operation

- Display start line set

- Page address set

- Column address set

- Display data write

- Display ON

ML9058E Datasheet(PDF) 57 Page - List of Unclassifed Manufacturers

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