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PDF MSC1205 Data sheet ( Hoja de datos )
| Número de pieza | MSC1205 | |
| Descripción | 32-Bit Duplex Controller/Driver | |
| Fabricantes | OKI electronic componets | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MSC1205 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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E2C0018-27-Y3
¡¡SemicondSucetormiconductor
MSC1205
This version: NMovS. C19192705
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32-Bit Duplex Controller/Driver with Digital Dimming Function
GENERAL DESCRIPTION
The MSC1205 is a Bi-CMOS display driver for a 1/2-duty vacuum fluorescent display tube. It
consists of a 64-bit shift register, latch circuits, a digital diming circuit, and drivers.
The MSC1205 provides an interface with a microcomputer only by three signal lines: LOAD,
DATA, and CLOCK.
FEATURES
• Power Supply Voltage:
8 to 18V (built-in 5V regulator for logic)
• Built-in 1-terminal RC oscillation circuit (with external capacitor)
• Built-in digital dimming circuit
10-bit resolution
Programmable in the duty range of 0/2048 (0%) to 1015.5/2048 (49.6%).
• Can directly drive 32 ¥ 2 display anodes.
• Built-in power-on reset circuit
• Package options:
42-pin plastic DIP (DIP42-P-600-2.54)
(Product name: MSC1205-RS)
44-pin plastic QFP (QFP44-P-910-0.80-2K) (Product name: MSC1205GS-2K)
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1 page  
¡ Semiconductor
PIN CONFIGURATION (TOP VIEW)
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
1
2
3
4
5
6
SEG9 7
SEG10 8
SEG11 9
SEG12 10
SEG13 11
MSC1205
www.DataSheet4U.com
33 GRID1
32 VDD
31 SEG32
30 SEG31
29 SEG30
28 SEG29
27 SEG28
26 SEG27
25 SEG26
24 SEG25
23 SEG24
NC : No-connection pin
44-Pin Plastic QFP
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¡ Semiconductor
MSC1205
www.DataSheet4U.com
If the segment data is transferred before the dimming data is transferred after powered on, the
display is turned on at the completion of segment data transfer, with undefined dimming values.
The relationship between data transfer and display is shown in Figure. 3.
VDD
DATA
SEGMENT DATA
DIMMING DATA
LOAD
SEGn
Display OFF
Dimming value is undefined
Display ON
Figure 3. Relationship Between Advance Transfer of Segment Data and Display
Oscillator
Connect an external capacitor (C), as shown in Figure 4. The oscillating frequency fOSC depends
on the external capacitor used. The following equation is true between fOSC and grid frequency
(fGRID):
fGRID = fOSC/2048
Terminal
C (82pF)
fOSC
Figure 4. Oscillation Equivalent Circuit
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11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet MSC1205.PDF ] | |
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