HD404629R Datasheet, PDF (113/157 Pages) Renesas Technology Corp – AS Microcomputer Incorporating a DTMF Generator Circuit

V_CC (V₁ )
R
V₂
R
V₃
R
GND
C
C
C
HD404629R Series
V_CC (V₁ )
R
V₂
R
V₃
R
GND
V_CC
V_LCD
V_{CC COM1}
V₁
V₂
V₃
GND
SEG1
to
SEG52
Static drive
1
.
52
6-digit LCD
with sign
V_CC
V_LCD
V_CC
COM1
COM2
2
V₁
V₂
V₃
SEG1
to
SEG52
52
GND
1/2 duty, 1/2 bias drive
. ^{13-digit LCD}
V_CC
V_LCD
V_CC
COM1
to
V₁ ^COM3
V_{2 SEG1}
V₃
to
GND ^SEG52
3
17-digit LCD
. with sign
52
1/3 duty, 1/3 bias drive
V_CC
V_LCD
V_CC ≥ V_LCD ≥ GND
V_CC
COM1
to
V₁ ^COM4
V_{2 SEG1}
V₃
to
GND ^SEG52
4
52
1/4 duty, 1/3 bias drive
. ^{26-digit LCD}
Figure 101 LCD Connection Examples
111