參數(shù)資料
型號: M35075-XXXFP
元件分類: 顯示控制器
英文描述: 24 X 12 CHARACTERS CRT CHAR DSPL CTLR, PDSO24
封裝: 0.300 INCH, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù): 14/44頁
文件大小: 293K
代理商: M35075-XXXFP
MITSUBISHI MICROCOMPUTERS
M35075-XXXFP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
21
(2) To set display frequency range
Whenever setting display frequency (when EXCK1 = "0",
EXCK0 = "1", or EXCK1 = "1", EXCK0 = "1"), always set the
display frequency range in accordance with the display
frequency. This range is set from DIVS0, DIVS1, DIVS2,
RSEL0 and RSEL1 (address 12116). Frequency ranges are
given here below.
(3) Notes on setting display frequency
To change external clock (display) frequency or horizontal syn-
chronization frequency, always use the following procedures.
To set EXCK1 = "0", EXCK0 = "1"
(a) Turn the display OFF. … DSPON (address 12916) = "0"
(b) Set the display frequency. … Set from DIV10 to
DIV0(address 12016) , DIVS0, DIVS1, DIVS2, RSEL0
and RSEL1 (address 12116).
(c) Wait 20 ms while the horizontal synchronization signal is
being input.
(d) Turn the display ON. … DSPON (address 12916) = "1"
To set EXCK1 = "1", EXCK0 = "1"
(a) Turn the display OFF. … DSPON (address 12916) = "0"
(b) Set the display frequency. … Set from DIV10 to
DIV0(address 12016) , DIVS0, DIVS1, DIVS2, RSEL0
and RSEL1 (address 12116).
(c) Wait 20 ms while the horizontal synchronization signal
and external clock are being input.
(d) Turn the display ON. … DSPON (address 12916) = "1"
RSEL1
1
0
1
0
1
0
1
0
1
0
RSEL0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
DIVS1
0
1
0
DIVS0
0
1
0
1
0
DIVS2
0
1
Display frequency range MHz
100.0 to 110.0
92.0 to 100.0
73.0 to 92.0
66.5 to 73.0
61.0 to 66.5
49.0 to 61.0
45.5 to 49.0
36.5 to 45.5
33.5 to 36.5
30.5 to 33.5
24.5 to 30.5
23.0 to 24.5
20.0 to 23.0
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