SSD1801 ETC, SSD1801 Datasheet - Page 25

• Manufacturer Part Number: SSD1801
• Description: LCD Segment / Common Driver with Controller for Character Display System
• Manufacturer: ETC

Data Read/ Write
pin for 6800-series parallel mode, low to E( RD ) pin and high to D/ C pin for 8080-series parallel mode. No data read
is provided for serial mode. In normal mode, address counter will be increased by one automatically after each data
read. A dummy read is required before the first data read. See Figure 4 in Functional Description.
D/ C pin for 6800-series and 8080-series parallel mode. For serial interface, it will always be in write mode. Address
counter will be increased by one automatically after each data write.
SOLOMON
To read data from the internal memories (DDRAM/ CGRAM/ ICONRAM), input high to R/W ( WR ) pin and D/ C
To write data to the internal memories (DDRAM/ CGRAM/ ICONRAM), input low to R/W ( WR ) pin and high to
Rev 1
01/2003
.
1
SSD1801 Series
24