ML9058E datasheet(55/76 Pages) ETC2

55 / 76 page

FEDL9058E-01

LAPIS Semiconductor

ML9058E

55/76

When Not Using the Internal Power Supply Immediately After Power-on

*(a): Enter the power save state within 5ms after releasing the reset state.

*(b): Carry out power control set within 5ms after releasing the power save state.

The 5ms duration in *(a) and *(b) changes depending on the panel characteristics and the value of

the smoothing capacitor. We recommend verification of operation using an actual unit.

*(c): When trace resistance in COG mounting does not exist, wait for over 300 ms.

Since this value varies with trace resistance, V1, smoothing capacitors, or voltage multiplier

capacitors in COG mounting, confirm operation on an actual circuit board when using this LSI.

Notes:

Sections to be referred to

*1:

Functional description “Reset circuit”

*2:

Description of operation “LCD bias set”

*3:

Description of operation “ADC select”

*4:

Description of operation “Common output state select”

*5:

Description of operation “Line reversal/frame reversal drive select”

*6:

Functional description “Power supply circuit”, Description of operation “Voltage V1 adjustment

internal resistor ratio set”

*7:

Functional description “Power supply circuit”, Description of operation “Electronic

potentiometer”

*8:

Functional description “Power supply circuit”, Description of operation “Power control set”

*9:

The power save state can be either the sleep state or the standby state.

Description of operation “Power save (compound command)”

*(a)

*(b)

VDD-VSS Power supply ON when the pin RES = “L”

Power supply stabilization

Release reset state (RES Pin = “H”)

Initial settings state (default)

Power save OFF

Function setting using command input (user settings)

LCD bias set

ADC select

Common output state select

Line reversal/frame reversal drive

select

Function setting using command input (user settings)

Setting voltage V1 adjustment internal resistor ratio

Electronic potentiometer

Wait for more than 300 ms

Start power save mode (compound command) *9

Initial setting state complete

Function setting using command input (user settings)

Power control set

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