2X20 LCD Compatible VFD Module
20T202DA1E (Rev. 3.0)
4.9 System Block Diagram
72
20
VDD1
A1~A72
G1~G20
Anodes
Grids
Rup*4
(10kOhm)
E
#6
E(/RD)
VFD Panel
(2x20 Digits)
R/W
RS
#5
#4
#3
R/W(/WR)
VFD
Controller
RS
JP1
/RST
/RST
Jumper Switch for
External Reset
JP0
VSS
MPU
Rup*8
(10kOhm)
Jumper Switch to Select
Interfacing Mode
DB0~DB7
8
D0~D7
VDD2
#7~14
F1
F2
VCC
#2
DC/DC Converter
#1
GND
Fig.-6 System Block Diagram
4.10 Through-hole Location for Connector Assembly
#14
#13
Soldering Hole Diameter: 1.0mm
#2
#1
(Unit: mm)
Fig.-7 Connector Through-hole Location
Page - 7 of 17
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