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PDF SH7268 Data sheet ( Hoja de datos )
| Número de pieza | SH7268 | |
| Descripción | Video Display Controller 4 Driver Users Manual | |
| Fabricantes | Renesas | |
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APPLICATION NOTE
SH7268/SH7269 Group
Video Display Controller 4 Driver User’s Manual
R01AN0778EJ0100
Rev.1.00
Apr 18, 2013
Introduction
This document explains the usage of SH7268/SH7269 Video Display Controller 4 (hereafter referred to as ‘VDC4’)
Driver.
Target Device
SH7268/SH7269
Contents
1. Overview ........................................................................................................................................... 2
2. API..................................................................................................................................................... 9
3. User-defined Functions ................................................................................................................... 82
4. Example Usage ............................................................................................................................... 87
R01AN0778EJ0100 Rev.1.00
Apr 18, 2013
Page 1 of 105
http://www.Datasheet4U.com
1 page  
SH7268/SH7269 Group
VDC4 Driver User’s Manual
1.5 Layer and Surface
VDC4 has three layers (graphics plane). This driver uses these layers as graphics resource and creates three graphics
surfaces and one video surface. Graphics surface 1 and Video surface are mutually exclusive, because both surfaces use
layer 1 as resource. Thus, those surfaces can not be created simultaneously.
The features of VDC4 module are implemented in this driver by controlling the surfaces.
Display Image
Layer 3
Graphics (3)
Layer 2
Graphics (2)
Layer 1
Graphics (1) / Video
Figure 1 Layer and Surface
R01AN0778EJ0100 Rev.1.00
Apr 18, 2013
Page 5 of 105
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SH7268/SH7269 Group
VDC4 Driver User’s Manual
2.2 Error
API function calls returns an error code. The error codes are shown in Table 7.
Table 7 Error Code List
Error Value
VDC4_ERR_NONE
VDC4_ERR_SURFACE_BAD
VDC4_ERR_SURFACE_STATUS
VDC4_ERR_PARAM_RANGE
VDC4_ERR_PARAM_UNDEF
VDC4_ERR_PARAM_INVALID
VDC4_ERR_PARAM_OTHERS
VDC4_ERR_SYSTEM_PNLCLK
0
0x2000
0x2001
0x4001
0x4002
0x4003
0x4000
0x8000
Description
Normal end.
Surface error. The function cannot be called
with the surface.
Surface error. The function cannot be called
in a current state.
Parameter error. The specified value is out
of range.
Parameter error. Null shoul d not be
specified.
Parameter error. The specified parameter is
invalid.
Parameter error. Others.
System error. The a bnormality of the p anel
clock is detected.
Parameter errors are returned from API function call only when the compilation switch of parameter checking is defined.
R01AN0778EJ0100 Rev.1.00
Apr 18, 2013
Page 11 of 105
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| PDF Descargar | [ Datasheet SH7268.PDF ] | |
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