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PDF RA8806 Data sheet ( Hoja de datos )
| Número de pieza | RA8806 | |
| Descripción | Two Layers Character/Graphic LCD Controller Specification | |
| Fabricantes | RAIO Technology | |
| Logotipo |  |
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RAiO
RA8806
Two Layers
Character/Graphic
LCD Controller
Specification
Preliminary Version 1.0
March 25, 2008
RAiO Technology Inc.
©Copyright RAiO Technology Inc. 2008
RAiO TECHNOLOGY INC.
1/174
www.raio.com.tw
1 page  
Preliminary Version 1.0
RA8806
Two Layers Character/Graphic LCD Controller
1. General Description
RA8806 is a LCD controller for Dot-Matrix type STN-LCD which supports both character and graphic mode
display. The RA8806 has built-in two Display Data RAM(DDRAM) for two layers display, and has an
embedded font ROM which is capable of displaying the full-size(16x16 pixels) traditional Chinese font(BIG5,
13973 characters) or simplified Chinese font(GB, 9216 characters). RA8806 also contains 4x256 embedded
half-size (8x16 pixels) characters that can display ISO8859-1 ~ 4(or called Latin-1 ~ 4) alphabets using at
most of English speaking and Europe countries.
RA8806 supports 8080/6800 MPU protocol interface, which is capable of switching the interface with 4-bits
or 8-bits data bus. For LCD driver interface, it can be set to 4-bits or 8-bits data bus. The maximum
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RA8806 is 320x240 pixels
font rotation mode, which
in normal mode, and 640x240 or 320x480 pixels in extension mode.
can implement the “vertical” font display. The embedded intelligence
touch panel controller provides the 4-wires resistance-type Touch Panel interface. The PWM output
provides an easy contrast or back-light control method for LCD panel. RA8806 also provides a 4x8(32 keys)
or 8x8(64 keys) powerful and smart Key-Scan interface includes long-key function. The flexible interrupt and
polling mechanism can make it easy to control touch panel, key-scan and power mode functions. Also it can
greatly reduce the MPU loading. The embedded 512Byte character generation RAM (CGRAM) allows user
to build maximum 16 full-size or 32 half-size fonts. Even with the single layer display, the other unused layer
can be used as CGRAM too. In this setting, the amazing 300 full-size and 600 half-size user created fonts or
symbols are supported.
In addition, RA8806 supports 4-gray-scale display in FRC mode. The bit-arrangement is compatible for most
gray level picture and easy to program. RA8806 also includes many useful functions, like area scroll, font
inverse, font bold, font enlargement, memory clear function and so on. An innovative mechanism of “no-
flicker” mode is provided in RA8806. It’s effective for removing the “flicker” in frequently display data
Read/Write. User can easily improve the display quality by RA8806.
RA8806 is a powerful and flexible LCD controller. It provides the total solution for the middle-size mono LCD
controller. User can save large amount of time for system development and the cost of hardware system.
2. Feature
Support text and graphics mode.
Maximum resolution: 320x240 with 2-Layers
overlay display (AND, OR, NOR and XOR).
Extension Mode: 640x240 or 320x480 with
single layer.
Support 4/8-bits of 6800/8080 MPU interface
and 4/8-bits driver interface.
Built-In smart 8x8 or 4x8 key-scan circuit with
programmable long key function.
Support horizontal and vertical area scrolling
Built-In GB/BIG5 and ASCII font ROM.
Support 90°, 180°, 270° font and display
rotation.
Support font enlargement(x1 ~ x4 in
Horizontal and Vertical direction)
Built-In 512Byte CGRAM for user-created
font:
_ Half-size: 8x16
_ Full-size: 16x16
Un-used DDRAM could be used as a
CGRAM of 300 full-size or 600 half-size
characters.
Flexible interrupt/polling mechanism for touch
panel, key-scan and power mode
programming.
Support font alignment function.
Support 4-gray-scale display (FRC mode).
Support bold font and row-row interval setting
Built-In smart resister type touch panel
controller.
Built-In PWM for contrast or back-light control
Power mode to reduce power consumption.
Clock source: 4M ~ 12MHz crystal or external
clock
Built-In a 5V-to-3V DC/DC converter
Power supply: 2.4V ~ 5.5V
Package: Die, LQFP-100, TQFP-80 Pins
RAiO TECHNOLOGY INC.
5/174
www.raio.com.tw
5 Page 
Preliminary Version 1.0
RA8806
Two Layers Character/Graphic LCD Controller
(Continued)
Table 5-3 : Register Table
REG# Name
D7
D6
D5
D4
D3
D2
D1
D0 Default
C0h TPCR1
C1h TPXR
C2h TPYR
C3h TPZR
C4h TPCR2
D0h PCR
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E0h PNTR
F0h FNCR
F1h FVHT
TP_EN TP_SMP2 TP_SMP1
TPX9
TPX8
TPY9
TPY8
TPX1
TPX0
MTP_MD
--
PWM_EN PWM_DIS_
LEV
PDUTY7 PDUTY6
PND7
PND6
ISO8859_E
N
--
FH1 FH0
TPX7
TPY7
--
--
--
PDUTY5
PND5
--
FV1
TP_SMP0
TPX6
TPY6
--
--
--
PDUTY4
PND4
--
FV0
TPWAK
_EN
TPX5
TPY5
TPY1
--
PCLK_R3
PDUTY3
PND3
MCLR
--
ACLK2
ACLK1
ACLK0
TPX4
TPY4
TPY0
--
PCLK_R2
TPX3
TPY3
--
MTP_PH1
PCLK_R1
TPX2
TPY2
--
MTP_PH2
PCLK_R0
PDUTY2
PND2
ASC
PDUTY1 PDUTY0
PND1
PND0
ASC_SEL1 ASC_SEL0
-- -- --
00h
00h
00h
00h
00h
00h
00h
00h
00h
00h
RAiO TECHNOLOGY INC.
11/174
www.raio.com.tw
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet RA8806.PDF ] | |
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