參數(shù)資料
型號(hào)： M37221M6
廠商： Mitsubishi Electric Corporation
英文描述： Single Chip 8 Bits Microcomputer(8位單片機(jī))
中文描述： 單芯片8位單片機(jī)（8位單片機(jī)）
文件頁(yè)數(shù)： 43/61頁(yè)
文件大?。?/td> 1386K
代理商： M37221M6
MITSUBISHI MICROCOMPUTERS
M37221M6-XXXSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
43
(7) Multiline Display
The M37221M6-XXXSP can ordinarily display 2 lines on the CRT
screen by displaying 2 blocks at different vertical positions. In addi-
tion, it can display up to 16 lines by using CRT interrupts.
A CRT interrupt request occurs at the point at which 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.
Note:
A CRT interrupt does not occur at the end of display when
the block is not displayed. In other words, if a block is set to
off display with the display control bit of the CRT control reg-
ister (address 00EA
16
), a CRT interrupt request does not
occur (refer to Figure 45).
Fig. 45. Timing of CRT interrupt request
Block 1 (on display)
“CRT interrupt request”
On display (CRT interrupt request occurs at the end of block
display)
Block 2 (on display)
Block 1' (on display)
Block 2' (on display)
“CRT interrupt request”
“CRT interrupt request”
“CRT interrupt request”
Block 1 (on display)
“CRT interrupt request”
Off display (CRT interrupt request does not occur at the end
of block display)
Block 2 (on display)
Block 1' (off display)
Block 2' (off display)
“CRT interrupt request”
No “CRT interrupt request”
No “CRT interrupt request”
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37221M6_03 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
M37221M6-054SP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37221M6-079SP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37221M6-286SP 制造商:MITSUBISHI 制造商全稱(chēng):Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
M37221M6H 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER
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