PT6312_10 Datasheet, PDF (10/21 Pages) Princeton Technology Corp – VFD Driver/Controller IC

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VFD Driver/Controller IC
PT6312
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 “15H”. If the address is set to 16H 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
LSB
1 1 - b4 b3 b2 b1 b0
Not relevant
Address: 00H to 15H
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 stopped).
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
PT6312 V2.6
- 10 -
December, 2005