PT6964_10 Datasheet, PDF (7/15 Pages) Princeton Technology Corp – LED Driver IC

PT6964
COMMAND 4: DISPLAY CONTROL COMMANDS
The Display Control Commands are used to turn ON or OFF a display. It also used to set the pulse width. Please refer to
the diagram below. When the power is turned ON, a 1/16 pulse width is selected and the displayed is turned OFF (the
key scanning is started).
MSB
LSB
1 0 - - b3 b2 b1 b0
Not relevant
Dimming quantity settings:
000: Pulse width=1/16
001: Pulse width=2/16
010: Pulse width=4/16
011: Pulse width=10/16
100: Pulse width=11/16
101: Pulse width=12/16
110: Pulse width=13/16
111: Pulse width=14/16
Display settings:
0: Display off (Key scan continues)
1: Display on
SCANNING AND DISPLAY TIMING
V1.4
7
October 2009