UPD78F0411GA-GAM-AX Datasheet, PDF (381/564 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Figure 15-1. Block Diagram of LCD Controller/Driver
LCD mode register
(LCDMD)
MDSET1 MDSET0
LCD clock control
register (LCDC)
LCDC6 LCDC5 LCDC4 LCDC2 LCDC1 LCDC0
LCD display mode
register (LCDM)
LCDON SCOC VAON LCDM2 LCDM1 LCDM0
Internal bus
2
3
3
3
fXT
fPRS/2⁶
fPRS/2⁷
fPRS/2⁸
fRL/2³
fLCD
Prescaler
fLCD fLCD fLCD fLCD fLCD fLCD
2⁴ 2⁵ 2⁶ 2⁷ 2⁸ 2⁹
LCD
clock
LCDCL
selector
Timing
controller
Gate booster
circuit
VAON
Display data memory
FA40H
76543210
FA53H
76543210
FA54H
76543210
3210
selector
LCDON
3210
selector
LCDON
3210
selector
LCDON
FA55H
76543210
3210
selector
LCDON
LCD drive voltage controller
Segment voltage
controller
Common voltage
controller
Common driver
Segment
driver
Segment
driver
Segment
driver
Segment
driver
VLC3 VLC2 VLC1 VLC0
COM0 COM1 COM2 COM3 COM4/ COM5/ COM6/ COM7/
SEG0 SEG1 SEG2 SEG3
SEG4
SEG19
SEG20
SEG21