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| 型號： | SCE5745Q |
| 元件分類： | 顯示用LED |
| 英文描述： | 5X7 DOT MATRIX DISPLAY, ORANGE, 4.57 mm |
| 封裝： | PLASTIC, SIP-7 |
| 文件頁數(shù)： | 14/15頁 |
| 文件大?。?/td> | 589K |
| 代理商： | SCE5745Q |
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA
SCE5740/1/2/3/4/5
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany
www.osram-os.com +49-941-202-7178
8
March 28, 2000-10
Figure 10. Row Strobing
Multiplexer and Display Driver
The four characters are row multiplexed with RAM resident col-
umn data. The strobe rate is established by the internal or
external MUX Clock rate. The MUX Clock frequency is divided
by a 448 counter chain. This results in a typical strobe rate of
768 Hz. By pulling the Clock SEL line low, the display can be
operated from an external MUX Clock. The external clock is
attached to the CLK I/O connection (pin 8). The maximum
external MUX Clock frequency should be limited to 3 MHz.
When a high speed external clock is used the frequency can be
further divided down by 16 by using the built in prescaler. In the
control word format data bit D4 is set high (D4=1). It is not rec-
ommended to use the prescaler with the internal clock.
An asynchronous hardware Reset (pin 6) is also provided.
Bringing this pin low will clear the Character Address Register,
Control Word Register, RAM, and blanks the display. This
action leaves the display set at Character Address 0, and the
Brightness Level set at 100%.
The user can activate four Control functions. These include: LED
Brightness Level, IC Power Down, Prescaler, or Display Clear.
OPCODEs and six bit words are used to initiate these functions.
The OPCODEs and Control Words for the Character Address
and Loading Column Data are shown in Tables 2 and 3.
Basic Instruction Set
Instruction
Opcode
Address/Data
Comments
LCD
000
D4
D3
D2
D1
D0
Load Column Data
LDA
101
X
A2
A1
A0
Load Digit Address
SCL
110
PS
B3
B2
B1
B0
Software Clear
LCWD
111
PS
B3
B2
B1
B0
Load Control Word Data
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
ROW LOAD
LOAD ROW 0
LOAD ROW 1
LOAD ROW 2
LOAD ROW 3
LOAD ROW 4
LOAD ROW 5
LOAD ROW 6
Row 0
Row 1
Row 2
Row 3
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
Row 0
Row 1
Row 2
Row 4
Row 5
Row 6
0 1 2 3 4
Columns
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| SCE5783 | 功能描述:LED 顯示器和配件 5x7 Green 0.18", 8-CHARACTER RoHS:否 制造商:Avago Technologies 顯示器類型:7 Segment 數(shù)位數(shù)量:2 字符大小:7.8 mm x 14.22 mm 照明顏色:Red 波長:628 nm 共用管腳:Common Anode 工作電壓:2.05 V 工作電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 35 C 封裝:Tube |
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