Datasheet

DEP 20203-Y Production Specification
Version: 1 PAGE: 8
28 ROM1
appropriate logic setting as described in the following table.
ROM1 and ROM0 are pin select as shown in below table:
Character ROM selection
Note
(1) 0 is connected to VSS
(2) 1 is connected to VDDIO
29 OPR0 I This pin is used to select the character number of character
generator.
Character RAM selection
Note
(1) 0 is connected to VSS
(2) 1 is connected to VDDIO
30 OPR1
31 VCOMH P COM signal deselected voltage level.
A capacitor should be connected between this pin and VSS.
No external power supply is allowed to connect to this pin.
32 VCC P Power supply for panel driving voltage. This is also the
most positive power voltage supply pin. It is supplied by
external high voltage source.
33 NC
－
No connection