S1D15715 Epson Electronics America, Inc., S1D15715 Datasheet - Page 43

• Manufacturer Part Number: S1D15715
• Description: Liquid Crystal Display =lcd Driver
• Manufacturer: Epson Electronics America, Inc.

7.19 Power save (composite command)
When the display all points ON command is executed when in the display OFF mode, power save mode is
entered, and the power consumption can be greatly reduced.
This mode stops every operation of the circuits for the driver, and can reduce current consumption nearly to a
static current value if no access is made from the MPU.
The internal states in the power saver mode is as follows:
• The oscillation circuit is stopped.
• The LCD power supply circuit is stopped.
• All LCD driver circuits are stopped and segment/common driver outputs output the V
• The display data and operation mode before execution of the power saver command are held, and the MPU
Rev.1.0
can access to the DDRAM and internal registers.
Power save (Display OFF & Display all points ON)
Power save OFF (Display all points OFF)
Power save mode cancel
Power save mode
(Display OFF)
Fig.17
EPSON
↓
↓
↓
↓
S1D15715 Series Technical Manual
SS
level.
37