13. Dot Matrix LCD Controller (H8/3857 Group)
Rev.3.00 Jul. 19, 2007 page 328 of 532
REJ09B0397-0300
13.1.2 Block
Diagram
Figure 13.1 shows a block diagram of the LCD controller.
Level shifter
64
×
32-bit display memory
Y decoder
X decoder
Display data register
V1OUT
V2OUT
V3OUT
V4OUT
V5OUT
V3
V34
C1+
C1–
RS
R/
W
STRB
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Vci
V4
C2–
C2+
V
LCD
VLOUT
MPX
MPX
MPX
MPX
COM17/
SEG56
COM32/
SEG41
Common counter
Blink counter
Blink start
line register
Blink end
line register
Display
line counter
Display start
line register
Address register
Control register 1/2
Index register
Frame frequency
setting register
Blink register
Contrast control
register
Decoder
Comparator
M
P
X
Blink control
Latch 2
Latch 1
Common/segment
driver
Common/segment
driver
Segment driver
Common driver
SEG40
SEG1
COM16/
SEG57
COM9/
SEG64 COM8
COM1
CPU interface
Chip-internal I/O port interface
LCD drive level power supply selection circuit
LCD drive step-up circuit
Figure 13.1 Block Diagram of LCD Controller
Содержание F-ZTAT H8 Series
Страница 6: ...Rev 3 00 Jul 19 2007 page iv of xxiv REJ09B0397 0300...
Страница 194: ...7 RAM Rev 3 00 Jul 19 2007 page 168 of 532 REJ09B0397 0300...
Страница 234: ...8 I O Ports Rev 3 00 Jul 19 2007 page 208 of 532 REJ09B0397 0300...
Страница 274: ...9 Timers Rev 3 00 Jul 19 2007 page 248 of 532 REJ09B0397 0300...
Страница 352: ...12 A D Converter Rev 3 00 Jul 19 2007 page 326 of 532 REJ09B0397 0300...
Страница 466: ...16 Electrical Characteristics H8 3854 Group Rev 3 00 Jul 19 2007 page 440 of 532 REJ09B0397 0300...
Страница 561: ......