Lcd Drive Pin Functions - Renesas F-ZTAT H8 Series Hardware Manual

14. Dot Matrix LCD Controller (H8/3854 Group)
14.3.3

LCD Drive Pin Functions

Common/Segment Output
The display duty is set by control register 1 (LR0) bits DDTY1.
• 1/8 duty (DDTY1 = 1)
Common outputs:
Segment outputs:
Note: COM9 to COM16 output common signal non-selection waveforms
• 1/16 duty (DDTY1 = 0)
Common outputs:
Segment outputs:
Table 14.5 Pin Functions According to Display Duty
Pin Name
COM1 to COM8
COM9 to COM16
SEG1 to SEG40
Rev.3.00 Jul. 19, 2007 page 388 of 532
REJ09B0397-0300
COM1 to COM8
SEG1 to SEG40
COM1 to COM16
SEG1 to SEG40
1/8 Duty
COM1 to COM8
Common signal non-selection
waveform
SEG1 to SEG40
Function
1/16 Duty
COM1 to COM16
SEG1 to SEG40