M37212 Mitsubishi, M37212 Datasheet - Page 68
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M37212
Manufacturer Part Number
M37212
Description
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
Manufacturer
Mitsubishi
Datasheet
1.M37212.pdf
(119 pages)
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8.10.6 Border
An border of 1 clock (1 dot) equivalent size can be added to a char-
acter to be displayed in both horizontal and vertical directions. The
border is output from the OUT pin. In this case, set bit 5 of a color
register to “0” (character is output).
Border can be specified in units of block by using the border selec-
tion register (address 00E5
lection register. Table 8.10.6 shows the relationship between the val-
ues set in the border selection register and the character border func-
tion.
Fig. 8.10.14 Border Selection Register
Table 8.10.6 Relationship between Set Value in Border Selection Register and Character Border Function
68
Border selection register
MDn0
0
1
Border Selection Register
b7 b6 b5 b4 b3 b2 b1 b0
16
). Figure 8.10.14 shows the border se-
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
Border including character
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
to
1
3
7
B
0
2
Border selection register (MD) [Address 00E5
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
Block 1 OUT1 output
border selection bit (MD10)
Block 2 OUT1 output
border selection bit (MD20)
Functions
Ordinary
Name
Fig. 8.10.15 Example of Border
0 : Same output as R, G, B is output
1 : Border output
0 : Same output as R, G, B is output
1 : Border output
with ON-SCREEN DISPLAY CONTROLLER
Functions
R, G, B output
OUT1 output
R, G, B output
OUT1 output
16
]
MITSUBISHI MICROCOMPUTERS
M37212EFSP/FP
Example of output
Indeterminate
Indeterminate
After reset R W
0
0
R W
R —
R W
R —
Rev. 1.0