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VFD Driver/Controller IC
PT6315
PT6315 v2.0
Page 22
Sep. 2002
APPLICATION CIRCUIT 2
44 PIN SSOP
Figure 19: PT6315 SSOP Applicaiton Circuit
Note: The capacitor (0.1uF) connected between the GND and the VDD pins must be located as close
as possible to the PT6315 chip.
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
MCU
S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6
S5
S4
S3 S2
S1
G9 G8 G7
G6
G5 G4 G3 G2
G2 G1
9-GRID X 19-SEGMENT VFD
10K
330
330
330
330
100K
Vcc
10K
10K
PT6315
VCC
23
24
25
26
-V
EE
VCC
1N4148 X 16
0.1 F
10K
10K
