S6B0716 Datasheet, PDF (35/57 Pages) Samsung semiconductor – 33 COM / 100 SEG DRIVER & CONTROLLER FOR STN LCD

S6B0716
33COM/100SEG DRIVER & CONTROLLER FOR STN LCD
Read Display Data
8-bit data from display data RAM specified by the column address and page address could be read by this
instruction. As the column address is increased by 1 automatically after each this instruction, the
micro-processor can continuously read data from the addressed page. A dummy read is required after loading
an address into the column address register. Display data cannot be read through the serial interface.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
1
Read data
Write Display Data
8-bit data of display data from the microprocessor can be written to the RAM location specified by the column
address and page address. The column address is increased by 1 automatically so that the microprocessor can
continuously write data to the addressed page.
RS
RW
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
1
0
Write data
Set Page Address
Set Column Address
Data Write
Column = Column +1
Data Write Continue ?
NO
Optional Status
YES
Set Page Address
Set Column Address
Dummy Data Read
Column = Column +1
Data Read
Column = Column +1
Data Read Continue ?
NO
Optional Status
YES
Figure 20. Sequence for Writing Display Data
Figure 21. Sequence for Reading Display Data
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