UPD78F0411GA-GAM-AX Datasheet, PDF (388/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 15 LCD CONTROLLER/DRIVER
15.5 LCD Display Data Memory
The LCD display data memory is mapped at addresses FA40H to FA55H. Data in the LCD display data memory
can be displayed on the LCD panel using the LCD controller/driver.
Figure 15-7 shows the relationship between the contents of the LCD display data memory and the
segment/common outputs.
The areas not to be used for display can be used as normal RAM.
Figure 15-7. Relationship Between LCD Display Data Memory Contents and Segment/Common Outputs
b7
b6
b5
b4
b3
b2
b1
b0
FA55H
SEG21
FA54H
SEG20
FA53H
SEG19
FA45H
FA44H
FA43H 0
0
0
0
FA42H 0
0
0
0
FA41H 0
0
0
0
FA40H 0
0
0
0
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM7 COM6 COM5 COM4 COM3 COM2 COM1 COM0
Caution No memory is allocated to the higher 4 bits of FA40H to FA43H. Be sure to set there bits to 0.
386
User’s Manual U18698EJ1V0UD