SSD1850 datasheet(34/56 Pages) ETC

34 / 56 page

SSD1850/51 Series

Rev 1.2

01/2003

SOLOMON

Set Multiplex Ratio

This command switches default 80 multiplex mode to any multiplex from 16 to 80, if Icon is disabled

(POR). When Icon is set enable, the corresponding multiplex ratio setting will be mapped to 17 to 81. The

chip pads ROW0-ROW79 will be switched to corresponding COM signal output.

Set Power Save Mode

This command forces the chip to enter Standby or Sleep Mode. LSB of the command will define which

mode will be entered.

Exit Power Save Mode

This command releases the chip from either Standby or Sleep Mode and return to normal operation.

Set N-line Inversion

Number of line inversion is set by this command for reducing crosstalk. 3 to 33-line inversion operations

could be selected. At POR, this operation is disabled.

It should be noted that the total number of mux (including the icon line) should NOT be a multiple of the

inversion number (N). Or else, some lines will not be changed their polarity during frame change.

Exit N-line Inversion

This command releases the chip from N-line inversion mode. The driving waveform will be inverted once

per frame after issuing this command.

Set DC-DC Converter Factor

Internal DC-DC converter factor is set by this command. For SSD1850, 2X to 5X multiplying factors could

be selected. 2X/3X, 4X, 5X and 6X factors are selected using this command. Hardware configuration is

used for 2X or 3X setup. For SSD1851, 2X to 6X multiplying factors could be selected.

Set Icon Enable

This command enable/disable the Icon display.

Start Internal Oscillator

After POR, the internal oscillator is OFF. It should be turned ON by sending this command to the chip.

Set Display Data Length

This two-byte command only valid when 3-wire SPI configuration is set by H/W input (PS0=PS1=L). The

second 8-bit is used to indicate that a specified number display data byte (1-256) are to be transmitted.

Next byte after the display data string is handled as a command.

Set Gray Scale Mode (White/Light Gray/Dark Gray/Black)

Command 88(hex) to 8F(hex) are used to specify the four gray levels’ pulse width at the four possible

frames. The four gray levels are called white, light gray, dark gray and black. Each level is defined by 4

registers for 4 consecutive frames. For example, WA is a 4-bit register to define the pulse width of the 1

frame in White mode. WB is a register for 2

nd frame in White mode etc. Each command specifies two

registers.

SSD1850 Datasheet(PDF) 34 Page - List of Unclassifed Manufacturers