參數(shù)資料
型號: M3720-3
廠商: Electronic Theatre Controls, Inc.
英文描述: 1 KEY 1 SOUND
中文描述: 1鍵1聲
文件頁數(shù): 54/121頁
文件大?。?/td> 1907K
代理商: M3720-3
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 10000
16
to 12FFF
16
) used to store character dot data
(masked) and CRT display RAM (addresses 0600
16
to 06D7
16
) used
to specify the colors and characters to be displayed. The following
describes each type of display memory.
ROM for display (addresses 10000
16
to 12FFF
16
)
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 10000
16
to 107FF
16
, 11000
16
to
117FF
16
and 12000
16
to 127FF
16
; the [vertical 16 dots]
[horizontal
(right side) 4 dots] data of display characters are stored in addresses
10800
16
to 10FFF
16
, 11800
16
to 11FFF
16
and 12800
16
to 12FFF
16
(refer to Figure 52). Note however that the high-order 4 bits in the
data to be written to addresses 10800
16
to 10FFF
16
, 11800
16
to
11FFF
16
and 12800
16
to 12FFF
16
must be set to “1” (by writing data
“FX
16
”).
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
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
b7
b0
b7
b0
b3
10XX0
16
, 11XX0
16
,
or
12XX0
16
10XX0
16
+800
16
,
11XX0
16
+800
16
,
or
12XX0
16
+800
16
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M37207EFFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER and ON-SCREEN DISPLAY CONTROLLER