HD61203U Datasheet, PDF (16/30 Pages) Hitachi Semiconductor – (Dot Matrix Liquid Crystal Graphic Display 64-Channel Common Driver)

HD61203U
Connection Example 1
Use with HD61202U (RAM Type Segment Driver)
1. 1/64 duty ratio (see Connection List D)
+5V (V_CC)
R1
R1
–
+
R2 _–
+
C
Cf
CR
Rf
R
R3 V1 ^VCC
V1L, V1R
–
+
R3 V6
V6L, V6R
R3
V3
R3
V4
R1
–
+
R3 V5
V5L, V5R
R1
R3 V2 _{V2L, V2R}
V_EE
V_EE
–10V
Contrast
0V
GND
Open
DL
Open
DR
X1
(X64)
X64
(X1)
M
CL2
FRM
ø1
ø2
V_CC
SHL
DS1
DS2
TH
CL1
FS
M/S
FCS
STB
COM1
LCD panel
COM64
M
CL
FRM
ø1
ø2
HD61202U
R3 = 15 Ω
( ) is at SHL = Low
Note: The values of R1 and R2 vary with the LCD panel used. When bias factor is 1/9, the values of
R1 and R2 should satisfy
R1
=1
4R1 + R2 9
For example,
R1 = 3 kΩ, R2 = 15 kΩ
Figure 3 Example 1
16