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7207E

Part # 7207E
Description
Category SWITCH
Availability Out of Stock
Qty 0

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
52
(3) Character Size
The size of characters to be displayed can be from 4 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; the character size of block 3
can be specified by using bits 4 and 5. Figure 51 shows the character
size register.
The character size can be selected from 4 sizes: minimum size, me-
dium size, large size and extra 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 (hori-
zontal) direction. The minimum size consists of [1 scanning line] ✕
[1TC]; the medium size consists of [2 scanning lines] ✕ [2TC]; the
large size consists of [3 scanning lines] ✕ [3TC]; and the extra large
size consists of [4 scanning lines] ✕ [4TC]. Table 7 shows the relation
between the set values in the character size register and the charac-
ter sizes.
Fig. 50. Display Start Position of Each Character Size (horizontal direction)
Mini-
mum
Medium
Large
Horizontal display start position
Extra large
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
53
CSn1
0
1
0
1
Set Values of Character Size Register
CSn0
0
0
1
1
Character
Size
Minimum
Medium
Large
Extra large
Width (horizontal) Direction
T
C
: Oscillating Cycle for Display
1TC
2TC
3TC
Height (Vertical) Direction
Scanning Lines
1
2
3
4
4TC
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 50).
Table 7. Relation between Set Values in Character Size Register and Character Sizes
Fig. 51. Character Size Register
b7 b6 b5 b4 b3 b2 b1 b0
Character size register (CS) [Address 00E4
16
]
B Name Functions
After reset
R
W
Character Size Register
0, 1 Character size of block 1
selection bits
(CS10, CS11)
b1 b0
0 0 : Minimum size
0 1 : Medium size
1 0 : Large size
1 1 : Extra large size
Indeterminate
2, 3
Character size of block 2
selection bits
(CS20, CS21)
Indeterminate
RW
RW
6
Indeterminate
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is indeterminate.
R—
4, 5 Character size of block 2
selection bits
(CS30, CS31)
Indeterminate
RW
7
OUT signal output switch
bit
(CS7)
0 : OUT signal output
1 : MUTE signal output
(See note)
Indeterminate
RW
Note: This erases a video signal on an entire screen.
b3 b2
0 0 : Minimum size
0 1 : Medium size
1 0 : Large size
1 1 : Extra large size
b5 b4
0 0 : Minimum size
0 1 : Medium size
1 0 : Large size
1 1 : Extra large size
MITSUBISHI MICROCOMPUTERS
M37207MF-XXXSP/FP, M37207M8-XXXSP
M37207EFSP/FP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
and ON-SCREEN DISPLAY CONTROLLER
54
(4) Memory for Display
There are 2 types of memory for display : CRT display ROM (ad-
dresses 1000016 to 12FFF16) used to store character dot data
(masked) and CRT display RAM (addresses 060016 to 06D716) used
to specify the colors and characters to be displayed. The following
describes each type of display memory.
ROM for display (addresses 1000016 to 12FFF16)
The CRT display ROM contains dot pattern data for characters to be
displayed. For characters stored in this ROM to be actually displayed,
it is necessary to specify them by writing the character code inherent
to each character (code based on the addresses in the CRT display
ROM) into the CRT display RAM. The character code list is shown in
Table 8.
The CRT display ROM has a capacity of 12 K bytes. Since 32 bytes
are required for 1 character data, the ROM can stores up to 384
kinds of characters.
The CRT display ROM space is broadly divided into 2 areas. The
[vertical 16 dots] ✕ [horizontal (left side) 8 dots] data of display char-
acters are stored in addresses 1000016 to 107FF16, 1100016 to
117FF16 and 1200016 to 127FF16 ; the [vertical 16 dots] ✕ [horizontal
(right side) 4 dots] data of display characters are stored in addresses
1080016 to 10FFF16, 1180016 to 11FFF16 and 1280016 to 12FFF16
(refer to Figure 52). Note however that the high-order 4 bits in the
data to be written to addresses 1080016 to 10FFF16, 1180016 to
11FFF16 and 1280016 to 12FFF16 must be set to “1” (by writing data
“FX16”).
Fig. 52. Display Character Stored Data
10XXF
16
, 11XXF
16
,
or
12XXF
16
10XXF
16
+800
16
,
11XXF
16
+800
16
,
or
12XXF
16
+800
16
00
0
0
0
0
0
0
0
0
0
0
1
1
1
000000
0000000
0000010
0000101
0001000
0001000
0001000
0010000
0
1
01
1111
001
0100000
0100000
0100000
0000000
0000101
0000010
01111 000
0000
0000
0000
0000
0000
0000
0100
0100
0100
0010
0010
0010
0000
0000
0000
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
1111
b7 b0
b7 b0b3
10XX0
16
, 11XX0
16
,
or
12XX0
16
10XX0
16
+800
16
,
11XX0
16
+800
16
,
or
12XX0
16
+800
16
00000
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