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位單片機微控制器(8位單片微控制器)
文件頁數(shù): 124/166頁
文件大?。?/td> 713K
代理商: ΜSAP70732-B03
124
μSAP705100-B03, μSAP70732-B03 USER'S MANUAL
(d) Internal RAM work area address (IRAM_Buff_Bptr: AP705100-B03)
For details of the internal RAM work area, see
Section 2.3.4
.
Table 2-35. Set Value for Member IRAM_Buff_Bptr
Member
Description
IRAM_Buff_Bptr
First address of internal RAM work area
0x400, 0x300, or 0x280 bytes from the first address are unconditionally overwritten, at a sampling
ratio of the JPEG file to be expanded of 4:1:1/2:1:1/1:1:1. Unlike compression, the sampling ratio is
not specified by the user in the case of expansion. Instead, the value of the SOF header of the JPEG
file is used as the sampling ratio.
This member need not be set with the AP70732-B03.
Caution In Mode = 0 (analysis mode), an area specified in this internal RAM work area is 0x100
bytes, regardless of the sampling ratio.
(e) Image start positions x (StartX) and y (StartY)
Set value: -32768 to 32767
The unit of the value is the number of pixels.
For details of StartX/StartY, see
Figure 2-22
.
(f) Setting of parameters related to VRAM
The setting of the parameters related to the VRAM is exactly the same as that for compression. See
(j)
and
(k)
in
Section 2.4.1 (3)
.
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