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PT6324

VFD Driver/Controller IC

Princeton Technology 

PT6324

COMMAND 3: ADDRESS SETTING COMMANDS

Address Setting Commands are used to set the address of the display memory. The address is considered valid if it has

a value of “00H” to “2FH”. If the address is set to 30H or higher, the data is ignored until a valid address is set. When

power is turned ON, the address is set at “00H”.

Please refer to the diagram below.

MSB

1

LSB

1 b5 b4 b3 b2 b1 b0

Address: 00H to 2FH

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.

MSB

LSB

1 0 0 0 b3 b2 b1 b0

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

V1.5

9

June 2010

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