HD61202U Datasheet, PDF (21/33 Pages) Hitachi Semiconductor – Dot Matrix Liquid Crystal GraphicDisplay Column Driver

HD61202U
Use of HD61202U
Interface with HD61203 (1/64 Duty Cycle)
R_f C_f
R CR C
V_CC
V_CC
X1
V1
V1L, V1R
V6
V6L, V6R
V5
V5L, V5R
V2
V2L, V2R
V_EE
V_EE
X64
GND
COM1
LCD panel
64 × 64 dots
COM64
V_CC
HD61203U
SHL
DS1
DS2
TH
CL1
FS
M/S
FCS
STB
DL
DR
M
CL2
FRM
ø1
ø2
Open
Open
M
CL
FRM
ø1
ø2
Power supply circuit
+5V (V_CC)
R3 V1
V_CC
ADC
RST
Y1
Y64
V_CC
V_CC
V1L, V1R
V1
V2L, V2R
V2
V3L, V3R
V3
HD61202U
V4L, V4R
V4
V_EE1, V_EE2
V_EE
GND
R1
R1
R2
R1
R1
–10V
– ^{R3 V6}
+
–
+
R3
V3
–
+
R3
V4
– ^{R3 V5}
+
R3 V2
External CR
V_EE
Contrast
R3 = 15 Ω
MPU
836