ra8803 RAIO Technology Inc., ra8803 Datasheet - Page 23

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

Version 2.5
RAiO
REG [CAh] Touch Panel Segment/Common Low Byte Data Register (TPZR)
REG [D0h] LCD Contrast Control Register (LCCR)
REG [E0h] Pattern Data Register (PNTR)
REG [F0h] Font Control Register (FNCR)
TECHNOLOGY INC.
6-5
4-0
7-0
7-6
5-4
3-2
1-0
Bit
Bit
Bit
Bit
7
7
6
0 0 0 0 0b
Touch Panel Segment Data Bit[1..0]
Reserved
Touch Panel Common Data Bit[1..0]
Reserved
DAC Function
1 : Disable
0 : Enable
Reserved
DAC Driving Current
1 1 1 1 1b
(1) Data Written to DDRAM
When REG[F0h] bit3 is ‘1’, it will read the data from Register [E0h]
and fill the whole DDRAM. After the movement of filling the Active
window, REG [F0h] bit3 will become “0”.
(2) Display Times of Gray Mode
For Gray Mode(Register MAMR bit[6..4] = 000), These register used
to control the display times. If the frame rate is fixed, the number of “1”
and “0” are represent the display ratio of 1 and 0. Please see Chapter
7-10 and AP Note 9-23 for more description.
Font ROM Transfer Circuit
1 : Enable
0 : Bypass
When bit5~4 set as “00”
used to select the upper or lower part of 256KB ROM.
1 : Select lower part of 256KB ROM
：
：
0µA±0.2µA (Min. Current)
540µA±140 µA (Max. Current)
Description
ROM Mode0, this bit could be
Description
Description
Description
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Two Layers Character/Graphical LCD Controller
Text/Graph Default
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RA8803/8822
Default
Default
Default
0Fh
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0h
0h
0h
0h
1h
0h
0h
1h
0h
Access
Access
Access
Access
R/W
R/W
R/W
R/W
R/W
R
R
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