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Download uPD780948 Subseries 8-bit Single
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Chapter 17 LCD Controller / Driver 17.5 LCD Display Data Memory The LCD display data memory is mapped onto addresses FA58H to FA7FH. The data stored in the LCD display data memory can be displayed on an LCD panel by the LCD controller/driver. Figure 17-5 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 17-5: Address b7 Relationship between LCD Display Data Memory Contents and Segment/Common Outputs b6 b5 b4 b3 b2 b1 b0 FA7FH S0/P147 FA7CH S1/P146 FA7DH S2/P145 FA7CH S3/P144 FA5AH S37/P52 FA59H S38/P51 FA58H S39/P50 COM3 COM2 COM1 COM0 Caution: The higher 4 bits of the LCD display data memory do not incorporate memory. Be sure to set them to 0. Remark: The data of S0 is stored at the highest address in the LCD display data memory. 336 User’s Manual U12670EE3V0UD00
