ra8803 RAIO Technology Inc., ra8803 Datasheet - Page 19

• Manufacturer Part Number: ra8803
• Description: Two Layers Character/graphic Lcd Controller Specification
• Manufacturer: RAIO Technology Inc.

Version 2.5
RAiO
REG [70h] Cursor Position Y Register (CPYR)
REG [71h] Scrolling Action Range, Begin Common Register (BGCM)
REG [72h] Scrolling Action Range END Common Register (EDCM)
REG [80h] Blink Time Register (BTMR)
REG [81h] Frame Rate Polarity Change at Common_A Register (FRCA)
REG [91h] Frame Rate Polarity Change at Common_B Register (FRCB)
REG [90h] Shift Clock Control Register (SCCR)
TECHNOLOGY INC.
7-0
7-0
7-0
7-0
7-0
7-0
7-0
Bit
Bit
Bit
Bit
Bit
Bit
Bit
The setup of Frame Rate is depends on the LCD panel.
Cursor Position of Common
Common Start Position of Scrolling Mode
Common Ending Position of Scrolling Mode
Cursor Blink Time
Reserved
If the Common number of module is 128 then suggest set to “0Ch”.
Refer the Section 5-3.
Reserved
Shift Clock Cycle
SCLK : RA8803/8822 System Clock (Unit : Hz)
DW : Bus Width of LCD Driver(Unit : Bit)
Seg : Segment Number of LCD Panel(Unit : Pixel)
Com : Common Number of LCD Panel (Unit : Pixel)
FRM : Frame Rate of LCD Panel(Unit : Hz)
Blinking Time = Bit [7..0] x (1/Frame_Rate)
SCCR = (SCLK x DW) / (Seg x Com x FRM)
Description
Description
Description
Description
Description
Description
Description
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Two Layers Character/Graphical LCD Controller
RA8803/8822
Default
Default
Default
Default
Default
Default
Default
EFh
www.raio.com.tw
33h
0h
0h
0h
0h
4h
Access
Access
Access
Access
Access
Access
Access
R/W
R/W
R/W
R/W
R/W
R/W
R/W