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參數(shù)資料
| 型號(hào)： | MC141543P |
| 廠商： | MOTOROLA INC |
| 元件分類： | 畫面疊加 |
| 英文描述： | Floating Point Digital Signal Processor, Military 429-CFCBGA -55 to 115 |
| 中文描述： | ON-SCREEN DISPLAY IC, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 6/14頁(yè) |
| 文件大?。?/td> | 469K |
| 代理商： | MC141543P |
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)當(dāng)前第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)
MC141543
6
MOTOROLA
ADDRESS
ROW
FORMAT
BIT
4
X
0
D
1
D
2
D
3
D
5
X
6
X
7
1
a, b, c
Figure 4. Row & Column Address Bit Patterns
MEMORY MANAGEMENT
Internal RAM is addressed with row and column (coln)
numbers in sequence. The spaces between Row 0 and Coln
0 to Row 14 and Coln 29 are called display registers, and
each contains a character ROM address corresponding to a
display location on the monitor screen. Every data row is
associated with two control registers, which are located at
Coln 30 and 31 of their respective rows, to control the char-
acter display format of that row. In addition, three window
control registers for each of the three windows, together with
three frame control registers, occupy the first 13 columns of
Row 15.
The user should handle the internal RAM address location
with care, especially those rows with double length alphanu-
meric symbols. For example, if Row n is destined to be
double height on the memory map, the data displayed on
screen Rows n and n+1 will be represented by the data con-
tained in the memory address of Row n only. The data of the
next Row n+1 on the memory map will appear on the screen
as n+2 and n+3 row space, and so on. Hence, it is not neces-
sary to load a row of blank data to compensate for the double
row. The user should minimize excessive rows of data in
memory in order to avoid overrunning the limited amount of
row space on the screen.
For rows with double width alphanumeric symbols, only
the data contained in the even numbered columns of the
memory map are shown. Odd numbered columns are
treated in the same manner as double height rows.
0
2 3
5 6
0
14
R
R
WINDOW 1 WINDOW 2
FRAME CRTL REG
WINDOW 3
15
8 9
12
WINDOW AND FRAME CONTROL REGISTERS
Figure 5. Memory Map
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| MC141555DW3 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: |
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| MC141585DWER2 | 功能描述:IC LCD MONITOR OSD 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 應(yīng)用說(shuō)明:Ultrasound Imaging Systems Application Note 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:37 系列:- 應(yīng)用:醫(yī)療用超聲波成像，聲納 電流 - 電源:- 電源電壓:2.37 V ~ 6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:56-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-TQFN-EP（8x8） 包裝:管件 |
| MC14161BCPD | 制造商:Motorola Inc 功能描述: |
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