hd66100 Renesas Electronics Corporation., hd66100 Datasheet - Page 355

• Manufacturer Part Number: hd66100
• Description: H8/3867 Series
• Manufacturer: Renesas Electronics Corporation.

340
(a) Using on-chip power supply circuit
e. Low-power-consumption LCD drive system
f. Segment external expansion
and V
the external power supply to the V
in figure 13.4 (b).
Use of a low-power-consumption LCD drive system enables the power consumption
required for LCD drive to be optimized. For details, see 13.3.5, Low-Power-Consumption
LCD Drive System.
The number of segments can be increased by connecting an HD66100 externally. For
details, see section 13.3.8, Connection to HD66100.
When the on-chip power supply circuit is used for the LCD drive power supply, the V
When an external power supply circuit is used for the LCD drive power supply, connect
V
V
CC
SS
1
pins should be interconnected externally, as shown in figure 13.4 (a).
Figure 13.4 Examples of LCD Power Supply Pin Connections
V
V
V
V
0
1
2
3
1
pin, and short the V
(b) Using external power supply circuit
V
V
CC
SS
0
pin to V
V
V
V
V
0
1
2
3
CC
externally, as shown
External power supply
0