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SPEAR320S Folha de dados(PDF) 23 Page - STMicroelectronics

Nome de Peças SPEAR320S
Descrição Electrónicos  Embedded MPU with ARM926 core for industrial and consumer applications
PDF  113 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPEAR320S Folha de dados(HTML) 23 Page - STMicroelectronics

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SPEAr320S
Device functions
Doc ID 022508 Rev 2
23/113
2.20
LCD display controller (CLCD)
SPEAr320S has an integrated display controller able to directly interface a variety of color
and monochrome LCD panels.
Main features:
●
Programmable resolution up to 1024 x 768 (XGA)
●
Programmable timing parameters
●
Support for TFT (thin film transistor) color displays
●
Supports for STN (super twisted nematic) displays (single and dual panel) with 4- or 8-
bit interfaces
●
AC bias signal for STN and data enable signal for TFT panels
●
Gray scaling algorithm
The set of supported pixel widths and formats for each display type is shown in Table 4.
2.21
Touchscreen interface (TOUCHSCREEN)
SPEAr320S provides a toggling output signal (TOUCHSCREEN_X) that can be connected
to an external touchscreen panel. This interface operates in combination with the A/D
converter (ADC). Two coordinates can be read by software from the ADC: one at the end of
the high period and one at the end of the low period of TOUCHSCREEN_X signal.
Table 4.
Pixel widths and formats available for different display types
Display
1 bpp
2 bpp
4 bpp
8 bpp
16 bpp
24 bpp
Color TFT
Palette of 2
colors over 64K
Palette of 4
colors over 64K
Palette of 16
colors over
64K
Palette of
256 colors
over 64K
RGB 5:5:5 +
intensity
(64K colors)
RGB 8:8:8
(16M colors)
Color STN
Palette of 2
colors over 3375
Palette of 4
colors over 3375
Palette of 16
colors over
3375
Palette of
256 colors
over 3375
RGB 4:4:4
(4096 colors)
-
Mono STN
Palette of 2 gray
levels over 15
Palette of 4 gray
levels over 15
Palette of 16
gray levels over
15
Palette of
256 colors
over 3375
--



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