PT6315 Datasheet, PDF (17/26 Pages) Princeton Technology Corp – VFD Driver/Controller IC

VFD Driver/Controller IC
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PT6315
RECOMMENDED SOFTWARE FLOWCHART
START
Delay 200 ms
SET
COMMAND 2
(Write Data)
SET
COMMAND 3
Clear Display RAM
(See Note 5)
SET
COMMAND 1
SET
COMMAND 4
(88H ~ 8FH : Display
ON)
MAIN
PROGRAM
INITIAL
SETTING
SET
COMMAND 2
(READ KEY &
WRITEDATA
INCLUDED)
SET
COMMAND 3
MAIN
LOOP
SET
COMMAND 1
SET
COMMAND 4
END
Note: 1. Command 1: Display Mode Commands
2. Command 2: Data Setting Commands
3. Command 3 : Address Setting Commands
4. Command 4: Display Control Commands
5. When IC power is applied for the first time, the contents of the Display RAM are not defined; thus, it
is strongly suggested that the contents of the Display RAM must be cleared during the initial setting.
Figure 17: Recommended Software Flowchart
PT6315 v2.0
Page 17
Sep. 2002