ST7565 datasheet(39/56 Pages) SITRONIX

39 / 56 page

ST7565

Ver 1.0a

39/56

2002/06/24

Static Indicator Register Set

This command sets two bits of data into the static indicator register, and is used to set the static indicator into a blinking mode.

R/W

/RD

/WR

D7 D6 D5 D4 D3 D2 D1 D0

Indicator Display State

0 0

0 1

1 0

1 1

OFF

ON (blinking at approximately one second intervals)

ON (blinking at approximately 0.5 second intervals)

ON (constantly on)

* Disabled bit

Static Indicator Register Set Sequence

Figure 27

Power Save (Compound Command)

When the display all points ON is performed while the display is in the OFF mode, the power saver mode is entered, thus

greatly reducing power consumption.

The power saver mode has two different modes: the sleep mode and the standby mode. When the static indicator is OFF, it is

the sleep mode that is entered. When the static indicator is ON, it is the standby mode that is entered.

In the sleep mode and in the standby mode, the display data is saved as is the operating mode that was in effect before the

power saver mode was initiated, and the MPU is still able to access the display data RAM.

Refer to figure 28 for power save off sequence.

Figure 28

Static indicator mode set

Static indicator register set

Set complete ?

YES

Static indicator mode clear

Static indicator OFF

Display OFF

Display all point ON

Sleep mode

Power save OFF

Display all point OFF

Static indicator ON (2 bytes)

Sleep mode cancel

Static indicator ON

Display OFF

Display all point ON

Standby mode

Power save OFF

( Display all point OFF )

Standby mode cancel

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