參數(shù)資料
型號: STV9936PS
英文描述: 120MHZ ON SCREEN DISPLAY FOR MONITORS WITH 4 TRUE INDEPENDANT WINDOW DISPLAYS
中文描述: 120MHz的屏幕顯示的4真獨立的窗口監(jiān)測儀顯示展示
文件頁數(shù): 30/48頁
文件大?。?/td> 1004K
代理商: STV9936PS
RAM Specification
STV9936P/S
30/48
The default window RAM allocations are listed in
Table 32
.
Window 1: 10 blocks of 32 words = 320 characters (ALW1 = 9).
Window 2: 4 blocks of 32 words = 128 characters (ALW2 = 3).
Window 3: 4 blocks of 32 words = 128 characters (ALW3 = 3).
Window 4: the remaining RAM (4 blocks = 128 characters).
5.4
Window Reset
All the RAM data from one of the four OSD windows can be reset by writing to bits RESETW[3:0].
When the RESETW bit is set to 1,all the RAM data in the allocation memory space of the
corresponding OSD window is reset. These bits are automatically cleared when the RAM allocation
reset is finished.
All programmable registers are in Row 0 (Column i, Row 0).
Table 32: Window RAM Default Values
ALWi
Default
Description
ALW1
9h
320 Characters (10 blocks)
ALW2
3h
128 Characters (4 blocks)
ALW3
3h
128 Characters (4 blocks)
Table 33: RAM Allocation Enable and Reset
FWR
FAC
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80h
0Bh
0h
RESETW[3:0]
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