參數(shù)資料
型號: μSAP70732-B03
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機(jī)微控制器(8位單片微控制器)
文件頁數(shù): 125/166頁
文件大?。?/td> 713K
代理商: ΜSAP70732-B03
CHAPTER 2 LIBRARY SPECIFICATIONS
125
Table 2-36. Set Values for Members Related to VRAM
Member
Description
Setting when customizing VRAM output portion
VRAM_W_Pixel
Horizontal number of pixels of VRAM
Necessary
VRAM_H_Pixel
Vertical number of pixels of VRAM
VRAM_Bptr
VRAM first address (reference address)
Unnecessary
VRAM_Line_Byte
Address difference of VRAM of one
vertical pixel
VRAM_Pixel_Byte
Address difference of VRAM of one
horizontal pixel
VRAM_Gap1_Byte
If VRAM is YCbCr, address difference
between Y and Cb of same pixel.
If VRAM is RGB, address difference
between R and G of same pixel.
VRAM_Gap2_Byte
If VRAM is YCbCr, address difference
between Y and Cr of same pixel.
If VRAM is RGB, address difference
between R and B of same pixel.
To customize the VRAM output portion, the two members that must be set (VRAM_W_Pixel and
VRAM_H_Pixel) check the size when the SOF segment is analyzed.
(g) Specification of APPINFO table (APP_Info_Bptr)
If the first address of the APPINFO structure is specified in APP_Info_Bptr, the APPn segment is
analyzed.
Table 2-37. Set Value for Member APP_Info_Bptr
Member
Set value
APP_Info_Bptr
0: APPn segment is not analyzed.
First address of APPINFO structure: analyzed
If the APPn segment in which the APPINFO structure is registered is found, the first address and size
of that data are written to the member corresponding to the APPn segment number.
(h) Setting of parameters related to clipping (ClipSX, ClipSY, ClipW, ClipH)
These values are referenced only in Mode = 5 (clipping mode).
For an explanation of how to set these values, see
(vi)
in
(b)
.
Caution An error occurs if clipping is specified out of the actual image.
(i) External RAM work area address (Work)
Set the first address of the external RAM work area.
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