Renesas F-ZTAT H8 Series Hardware Manual page 358

13. Dot Matrix LCD Controller (H8/3857 Group)
Bit 2—Display Mode Select (SOB): Bit 2 selects either character display mode or graphic
display mode.
Bit 2: SOB Description
0 Character display mode
Bits 4 to 0 of one display memory data byte are output to the segment pins
1 Graphic display mode
All bits in one display memory data byte are output to the segment pins
The X address that can be output is in the range H'0 to H'4 in the case of 1/32 duty,
H'0 to H'6 in the case of 1/16 duty, and H'0 to H'7 in the case of 1/8 duty
Bits 1 and 0—Display Duty Select (DDTY1, DDTY0): Bits 1 and 0 select a display duty of 1/32,
1/16, or 1/8.
Bit 1: DDTY1 Bit 0: DDTY0 Description
0 0
1
1 *
Legend: * Don't care
Rev.3.00 Jul. 19, 2007 page 332 of 532
REJ09B0397-0300
1/32 duty selected
1/16 duty selected
Y address H'10 to H'1F display data is invalid
1/8 duty selected
Y address H'8 to H'1F display data is invalid
(initial value)
(initial value)