參數(shù)資料
型號(hào): M37151M6-XXXFP
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER
中文描述: 單芯片8位CMOS微機(jī)隱蔽字幕解碼器和屏幕顯示控制器
文件頁數(shù): 85/139頁
文件大?。?/td> 1491K
代理商: M37151M6-XXXFP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
M37151M6/M8/MA/MC/MF-XXXFP, M37151EFFP
MITSUBISHI MICROCOMPUTERS
84
Rev 1.0
8.11.10 Multiline Display
This microcomputer can display 2 lines on the CRT screen by dis-
playing 2 blocks at different vertical positions. In addition, it can dis-
play up to 16 lines by using OSD interrupts.
An OSD interrupt request occurs at the point at which that display of
each block has been completed. In other words, when a scanning
line reaches the point of the display position (specified by the vertical
position registers) of a certain block, the character display of that
block starts, and an interrupt occurs at the point at which the scan-
ning line exceeds the block.
Notes 1:
An OSD interrupt does not occur at the end of display when the block
is not displayed. In other words, if a block is set to display off by the
display control bit of the block control register (addresses 00D2
16
,
00D3
16
), an OSD interrupt request does not occur (refer to Figure
8.11.24 (A)).
2:
When another block display appears while one block is displayed, an
OSD interrupt request occurs only once at the end of the second
block display (refer to Figure 8.11.24 (B)).
3:
On the screen setting window, an OSD interrupt occurs even at the
end of the CC mode block (display off) out of window (refer to Figure
8.11.24 (C)).
Fig. 8.11.24 Note on Occurence of OSD Interrupt
(B)
(C)
Block 1 (on display)
Block 2 (on display)
Block 1
(on display)
Block 2
(on display)
Block 1 (on display)
Block 2 (on display)
Block 1
(off display)
Block 2
(off display)
OSD interrupt request
OSD interrupt request
OSD interrupt request
OSD interrupt request
OSD interrupt request
OSD interrupt request
No
OSD interrupt request
No
OSD interrupt request
Block 1
Block 2
OSD interrupt request
OSD interrupt request
OSD interrupt request
OSD interrupt request
Block 1
Block 2
Block 1
On display (OSD interrupt request occurs
at the end of block display)
Off display (OSD interrupt request does
not occur at the end of block display)
In CC mode
Window
No
OSD interrupt request
(A)
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