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PDF RA8875 Data sheet ( Hoja de datos )
| Número de pieza | RA8875 | |
| Descripción | Character/Graphic TFT LCD Controller | |
| Fabricantes | RAIO Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RA8875 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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RAiO
RA8875
Character/Graphic
TFT LCD Controller
Specification
Version 1.2
January 10, 2012
RAiO Technology Inc.
©Copyright RAiO Technology Inc. 2011, 2012
RAiO TECHNOLOGY INC.
1/175
www.raio.com.tw
1 page  
Version 1.2
RA8875
Character / Graphic TFT LCD Controller
7-4-3 CGRAM ............................................................................................................................... 112
7-4-4 90 Degree Font................................................................................................................... 114
7-4-5 Enlargement, Transparent Font .......................................................................................114
7-4-6 Font Change Line when Setting Write Auto Move .........................................................115
7-4-7 Font Full-Alignment...........................................................................................................115
7-5 Geometric Pattern Drawing Engine .............................................................. 116
7-5-1 Circle Input ......................................................................................................................... 116
7-5-2 Ellipse Input ....................................................................................................................... 117
7-5-3 Curve Input......................................................................................................................... 118
7-5-4 Square Input....................................................................................................................... 119
7-5-5 Line Input............................................................................................................................ 120
7-5-6 Triangle Input ..................................................................................................................... 121
7-5-7 Square Of Circle Corner Input..........................................................................................122
7-6 BTE (Block Transfer Engine) Function (Parallel MCU Interface Only)....... 123
7-6-1 Select BTE Start Point Address and Layer .....................................................................126
7-6-2 BTE Operations .................................................................................................................126
7-6-2-1 Write BTE .................................................................................................................126
7-6-2-2 Read BTE .................................................................................................................126
7-6-2-3 Move BTE .................................................................................................................126
7-6-2-4 Solid Fill ....................................................................................................................126
7-6-2-5 Pattern Fill.................................................................................................................126
7-6-2-6 Transparent Pattern Fill ............................................................................................126
7-6-2-7 Transparent Write BTE.............................................................................................126
7-6-2-8 Transparent Move BTE ............................................................................................126
7-6-2-9 Color Expansion .......................................................................................................127
7-6-2-10 Move BTE with Color Expansion ..............................................................................127
7-6-3 BTE Access Memory Method ...........................................................................................128
7-6-3-1 Block Memory Access ..............................................................................................128
7-6-3-2 Linear Memory Access .............................................................................................128
7-6-4 BTE Function Explaination...............................................................................................129
7-6-4-1 Write BTE with ROP .................................................................................................129
7-6-4-2 Read BTE (Burst Read Like Function) .....................................................................131
7-6-4-3 Move BTE in Positive Direction with ROP ................................................................132
7-6-4-4 Move BTE in Negative Direction with ROP ..............................................................134
7-6-4-5 Transparent Write BTE.............................................................................................136
7-6-4-6 Transparent Move BTE Positive Direction ............................................................... 138
7-6-4-7 Pattern Fill with ROP ................................................................................................139
7-6-4-8 Pattern Fill with Transparency ..................................................................................141
7-6-4-9 Color Expansion .......................................................................................................143
7-6-4-10 Color Expansion with Transparency.........................................................................146
7-6-4-11 Move BTE with Color Expansion ..............................................................................148
7-6-4-12 Move BTE with Color Expansion and Transparency................................................150
7-6-4-13 Solid Fill ....................................................................................................................151
7-7 Layer Mixed Function..................................................................................... 152
7-7-1 Only Layer One is Visible .................................................................................................153
7-7-2 Only Layer Two is Visible .................................................................................................153
7-7-3 Lighten-Overlay Mode.......................................................................................................154
7-7-4 Transparent Mode .............................................................................................................155
7-7-5 Boolean OR ........................................................................................................................ 155
7-7-6 Boolean AND...................................................................................................................... 155
7-7-7 Floating Window................................................................................................................156
7-8 Touch Panel Function .................................................................................... 157
RAiO TECHNOLOGY INC.
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www.raio.com.tw
5 Page 
Version 1.2
RA8875
Character / Graphic TFT LCD Controller
4-4 Serial Flash/ROM Interface
Pin Name
SFCL
SFDI/SIO0
SFDO/SIO1
SFCS0#
SFCS1#
I/O Pin Description
O
External Serial Flash/ROM Clock
Serial Flash/ROM SPI I/F clock.
External Flash/ROM SPI Data Input
I/O
Single mode: Data input of serial Flash/ROM SPI I/F. For RA8875, it is
output (Default).
Dual mode: The signal is used as bi-direction data #0(SIO0).
External Flash/ROM SPI Data Output
I/O
Single mode: Data output of serial Flash/ROM SPI I/F. For RA8875, it is
input (Default).
Dual mode: The signal is used as bi-direction data #1(SIO1).
O
External Flash/ROM SPI Chip Select 0
Chip select pin for serial Flash/ROM SPI I/F #0.
O
External Flash/ROM SPI Chip Select 1
Chip select pin for serial Flash/ROM SPI I/F #1.
4-5 Touch Interface
Pin Name
YN
YP
XN
XP
ADC_VREF
I/O Pin Description
A
YN Signal for Touch Panel
4-wire TP YN Control Signal.
A
YP Signal for Touch Panel
4-wire TP YP Control Signal.
A
XN Signal for Touch Panel
4-wire TP XN Control Signal.
A
XP Signal for Touch Panel
4-wire TP XP Control Signal.
TP ADC Reference Voltage
A This pin is the reference voltage for ADC as 0.5*VDD. The reference
voltage could be generated by RA8875 (default) or from external circuit.
4-6 KEYSCAN Interface
Pin Name
KOUT[3:0]/
(GPO[3:0])
KIN[4:0]/
(GPI[4:0])
GPOX
GPIX
I/O Pin Description
Keypad Strobe Line or GPOs (General Purpose Output)
O
Keypad matrix strobe lines outputs with open-drain. (Default).
They could be programmed as GPOs by register setting, if don’t use,
please keep floating.
Keypad Data Line or GPIs (General Purpose Input)
I
Keypad data inputs (Default), please add pull-up resister.
They could be programmed as GPIs by register setting, if don’t use,
please connect it to GND.
O
Extra GPO (General Purpose Output)
Additional GPO signal, if don’t use, please keep floating.
I
Extra GPI (General Purpose Input)
Additional GPI signal, if don’t use, please connect it to GND.
RAiO TECHNOLOGY INC.
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www.raio.com.tw
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet RA8875.PDF ] | |
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