M35049 Просмотр технического описания (PDF) - MITSUBISHI ELECTRIC
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M35049 Datasheet PDF : 50 Pages
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MITSUBISHI MICROCOMPUTERS
M35049-XXXFP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
(3) Address 12216
DA Register
Status
Contents
Function
0 If HS is the horizontal display start location,
0
HP0
8
1 HS = T × (Σ 2nHPn + 6)
n=0
0 T : Period of display frequency
1
HP1
1 472 settings are possible.
0
2
HP2
1
0
3
HP3
1
HOR
Remarks
Horizontal display start location is
specified using the 11 bits from HP8
to HP0.
HP8 to HP0 = (000000000002) and
(000001001112) setting is forbidden.
0
4
HP4
1
0
5
HP5
1
0
6
HP6
1
VS
HS*
Display area
HS* (shown left) shows horizontal
__
display start location that is register B/F
(address 12816) = 0 is set.
0
7
HP7
1
0
8
HP8
1
0 Can not be used.
9
TEST29
1 It should be fixed to “0”.
0 Can not be used.
A
TEST30
1 It should be fixed to “0”.
0
B SPACE0
1
SPACE
2
1
0
0
0
0
0
0
1
Number of Lines and Space
<(S) represents space>
12
1 (S) 10 (S) 1
0
0
1
0
2 (S) 8 (S) 2
C SPACE1
0
1
1
3 (S) 6 (S) 3
1
1
0
0
4 (S) 4 (S) 4
1
0
1
5 (S) 2 (S) 5
0
1
1
0
6 (S) 6
D SPACE2
1
1
1
6 (S)(S) 6
1
(S) represents one line worth of spac
0 Can not be used.
E
TEST31
(Note 3)
1 It should be fixed to “0”.
Leave one line worth of space in the ver-
tical direction.
For example, 6 (S) 6 indicates two sets
of 6 lines with a line of spaces between
lines 6 and 7.
A line is 18 × N horizontal scan lines.
N is determined by the character size in
the vertical direction
____
Notes 1. The mark around the status value means the reset status by the "L" level is input to AC pin.
2. The page in which data is written is controlled by the DAF bit. When set to "0", data is written into page 0, whereas when set to "1", data is written
into page 1.
3. Registers marked with (Note 3) are found only in page 0, therefore the register value does not change when the DAF bit is set to "1".
10
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