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CHAPTER 16 LCD CONTROLLER/DRIVER
16.5 LCD Display Data Memory
The LCD display data memory is mapped onto addresses FA59H to FA6CH. The data stored in the LCD display
data memory can be displayed on an LCD panel by the LCD controller/driver.
Figure 16-5 shows the relationship between the LCD display data memory contents and the segment outputs/
common outputs.
Any area not used for display can be used as normal RAM.
Figure 16-5. Relationship between LCD Display Data Memory Contents
and Segment/Common Outputs
S0
FA6CH
S1
FA6BH
S2
FA6AH
S3
FA69H
S17/P83
FA5BH
S18/P82
FA5AH
S19/P81
FA59H
COM3
COM2
COM1
COM0
b
7
b
6
b
5
b
4
b
3
b
2
b
1
b
0
Address
Caution
The higher 4 bits of the LCD display data memory do not incorporate memory. Be sure to set
them to 0.
Summary of Contents for mPD780973 Series
Page 2: ...2 MEMO ...
Page 66: ...66 MEMO ...
Page 98: ...98 MEMO ...
Page 138: ...138 MEMO ...
Page 164: ...164 MEMO ...
Page 182: ...182 MEMO ...
Page 204: ...204 MEMO ...
Page 244: ...244 MEMO ...
Page 262: ...262 MEMO ...
Page 278: ...278 MEMO ...
Page 290: ...290 MEMO ...