參數(shù)資料
型號(hào): M37224M3-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP42
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-42
文件頁(yè)數(shù): 38/86頁(yè)
文件大?。?/td> 988K
代理商: M37224M3-XXXSP
M37224M3-XXXSP
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
40
(3) Character Size
The size of characters to be displayed can be from 3 sizes for each
block. Use the character size register (address 00E416) to set a char-
acter size. The character size of block 1 can be specified by using
bits 0 and 1 of the character size register; the character size of block
2 can be specified by using bits 2 and 3. Figure 40 shows the charac-
ter size register.
The character size can be selected from 3 sizes: minimum size, me-
dium size and large size. Each character size is determined by the
number of scanning lines in the height (vertical) direction and the
oscillating cycle for display (TC) in the width (horizontal) direction.
The minimum size consists of [1 scanning line] ! [1TC]; the medium
size consists of [2 scanning lines] ! [2TC]; and the large size con-
sists of [3 scanning lines] ! [3TC]. Table 6 shows the relation be-
tween the set values in the character size register and the character
sizes.
Fig. 41. Display Start Position of each Character Size (horizontal direction)
b7 b6 b5 b4 b3 b2 b1 b0
Character size register (CS) [Address 00E416]
B
Name
Functions
After reset
R W
Character Size Register
0, 1 Character size of block 1
selection bits
(CS10, CS11)
00 : Minimum size
01 : Medium size
10 : Large size
11 : Do not set.
Indeterminate
2,3
4
to
7
0
Character size of block 2
selection bits
(CS20,CS21)
00 : Minimum size
01 : Medium size
10 : Large size
11 : Do not set.
Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
Indeterminate
RW
R—
Fig. 40. Character Size Register
CSn0
0
1
0
1
Set Values of Character Size Register
CSn1
0
1
Character
Size
Minimum
Medium
Large
Width (horizontal) Direction
TC: oscillating cycle for display
1TC
2TC
3TC
Height (vertical) Direction
Scanning Lines
1
2
3
This is not available
Note: The display start position in the horizontal direction is not affected by the character size. In other words, the horizontal display start
position is common to all blocks even when the character size varies with each block (refer to Figure 41).
Table 6. Relation between Set Values in Character Size Register and Character Sizes
Mini-
mum
Medium
Large
Horizontal display start position
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