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S1D13506 参数 Datasheet PDF下载

S1D13506图片预览
型号: S1D13506
PDF下载: 下载PDF文件 查看货源
内容描述: S1D13506彩色LCD / CRT / TV控制器 [S1D13506 Color LCD/CRT/TV Controller]
分类和应用: 电视控制器
文件页数/大小: 696 页 / 5934 K
品牌: EPSON [ EPSON COMPANY ]
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Page 110  
Epson Research and Development  
Vancouver Design Center  
14.2.1 General HAL Support  
This category of HAL functions provide several essential services which do not readily  
group with other functions.  
DWORD seGetInstalledMemorySize(void)  
Description:  
This function returns the size of display buffer memory in bytes.  
Memory size is determined during the call to seRegisterDevice() by reading the status of  
MD6 and MD7. seGetInstalledMemorySize() returns the memory size determined during  
the HAL initialization.  
Parameters:  
None  
Return Value:  
The return value is the size of the video memory buffer in bytes and will be either 80000h  
(512kb) or 200000h (2 MB).  
DWORD seGetAvailableMemorySize(void)  
Description:  
This function returns an offset to the last byte memory, before the Dual Panel buffer,  
accessible to an application.  
An application can directly access memory from offset zero to the offset returned by this  
function. On most systems the return value will be the last byte of physical display mem-  
ory. On systems configured for a dual STN panel the return value will account for the pres-  
ence of the Dual Panel buffer.  
Parameters:  
None.  
Return Value:  
The return value is an offset to the last byte memory directly accessible to an application.  
S1D13506  
X25B-G-003-03  
Programming Notes and Examples  
Issue Date: 01/02/06  
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