UPD16315 Datasheet, PDF (17/20 Pages) NEC – 1/4- to 1/12-DUTY FIP(VFD) CONTROLLER/DRIVER

µPD16315
11. CIRCUIT EXAMPLE FOR APPLICATION
VDD
To Microcontroller
VDD
R1
DOUT
DIN
CLK
STB
+5 V
0V
−30 V
VDD
C
VSS
VEE
R3
LED
In the case of low-level output is display ON signal.
µ PD16315
OSC
KEY2
KEY1
R2
R4
4
8
Fluorescent Indicator Panel (FIP^TM)
(VFD)
Key Matrix^Note
(16 x 2)
Note
=
Remark
R1, R4 = 1 k to 10 kΩ
R2 = 82 kΩ
R3 = 330 to 1 kΩ
C = 0.1 µ to 1.0 µF
F+
F–
Driving voltage for FIP^TM (VFD)
Data Sheet S14074EJ1V0DS
17