UPD16488A Datasheet, PDF (31/91 Pages) NEC – 1/92 DUTY LCD CONTROLLER/DRIVER WITH FOUR-LEVEL GRAY SCALE, ON-CHIP RAM

µPD16488A
Figure 5-11. Connection Method for Boost Levels and Capacitors
9x boost mode
8x boost mode
7x boost mode
6x boost mode
5x boost mode
4x boost mode
Table 5-9. Boost Level Settings for Normal Display's Booster
FBS2
0
0
0
0
1
1
1
1
FBS1
0
0
1
1
0
0
1
1
FBS0
0
1
0
1
0
1
0
1
Boost Level
4x
5x
6x
7x
8x
9x
Prohibited
Prohibited
Table 5-10. Boost Level Settings for Partial Display's Booster
BST1
0
0
1
1
BST0
0
1
0
1
Boost Level
2x
3x
4x
Prohibited
Data Sheet S15745EJ2V0DS
31