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參數(shù)資料
| 型號： | M37207MF-065SP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| 中文描述： | 單芯片8位CMOS微機(jī)電壓合成器和屏幕顯示控制器 |
| 文件頁數(shù)： | 65/121頁 |
| 文件大?。?/td> | 1907K |
| 代理商： | M37207MF-065SP |
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MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
65
Fig. 60. Display Counter
Fig. 61. Timing of CRT Interrupt Request and Display Counter Value
The display block counter counts the number of times the display of
a block has been completed, and its contents are incremented by 1
each time the display of one block is completed.
To provide multi-line display, enable CRT interrupts by clearing the
interrupt disable flag to “0” and setting the CRT interrupt enable bit
(bit 4 of address 00FE
16
) to “1.” After that, process the following
sequence within the CRT interrupt processing routine:
ead the value of the display block counter.
The block for which display is terminated (i.e., the cause of CRT
interrupt generation) can be determined by the value read in
Replace the display character data and vertical display position of
that block with the character data (contents of CRT display RAM)
and vertical display position (contents of vertical position register)
to be displayed next.
Figure 60 shows the structure of the display block counter.
.
0
Block 1
Block 2
Count value
Block 3
Block 1’
1
2
3
4
Interrupt position
b7 b6 b5 b4 b3 b2 b1 b0
Display block counter (CBC) [Address 00EB
16
]
B
Name
Functions
After reset
R W
Display Block Counter
0
to
3
Number of blocks which are being displayed or has
displayed
(Incremented each time a block is displayed)
Indeterminate
R W
0
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
R —
4
to
7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37207MF-077SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-092SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-106FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-136FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
| M37207MF-157SP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER |
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