HD66740 Datasheet, PDF (57/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
LCD Panel Interface
The HD66740 has a function for changing the common driver/segment driver output shift direction using
the CMS bit and SGS bit to meet the chip mounting positions of the HD66740. This is to facilitate the
interface wiring to the LCD panel with COG or TCP installed.
HITACHI Ltd.
LCD Controller/
Driver:HD66740
>112 x 80 dots
Graphisc display
>16 x 10 chracter
display
>
>x4 Booster
>Op-amp
SEG112/1
SEG1/112
COM72/9 _{Front of chip} COM80/1
8
32
• CMS = 0
COM73/8
COM40/41
8
COM41/40
COM8/73
• SGS = 1
COM1/80
32
COM9/72
COM8/72
COM1/80
8
32
Front of chip
COM8/73
COM41/40
COM40/41 • CMS = 1
8
COM73/8
COM80/1 • SGS = 0
SEG1/112
32
COM72/9
SEG112/1
HITACHI Ltd.
LCD Controller/
Driver:HD66740
>112 x 80 dots
Graphisc display
>16 x 10 chracter
display
>
>x4 Booster
>Op-amp
SEG1/112
SEG112/1
8
COM80/1 _{Back of chip} COM72/9
COM73/8
COM40/41 _{• CMS = 0}
32
32
• SGS = 0
COM9/72
COM41/40
COM8/73
8
COM1/80
8
COM1/80
COM9/72
COM8/73
COM41/40
Back of chip
32
32
• CMS = 1
COM72/9 ^{• SGS = 1}
SEG112/1
COM40/41
COM73/8
8
COM80/1
SEG1/112
HITACHI Ltd.
LCD Controller/
Driver:HD66740
>112 x 80 dots
Graphisc display
>16 x 10 chracter
display
>
>x4 Booster
>Op-amp
HITACHI Ltd.
LCD Controller/
Driver:HD66740
>112 x 80 dots
Graphisc display
>16 x 10 chracter
display
>
>x4 Booster
>Op-amp
Figure 29 1/80 Duty Drive Pattern Wiring
57