参数资料
型号: M37221EAFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8.1 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-42
文件页数: 72/112页
文件大小: 1207K
代理商: M37221EAFP
62
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37221M4H/M6H/M8H/MAH–XXXSP/FP
M37221EASP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
Fig. 8.11.8 Character Size Register
8.11.2 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 8.11.8 shows the
character 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 8.11.2 shows the relation
between the set values in the character size register and the charac-
ter sizes.
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
2selection 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
R W
R —
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