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MSC1205 Datasheet(PDF) 6 Page - OKI electronic componets

Part No. MSC1205
Description  32-Bit Duplex Controller/Driver with Digital Dimming Function
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Maker  OKI [OKI electronic componets]
Homepage  http://www.oki.com
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MSC1205 Datasheet(HTML) 6 Page - OKI electronic componets

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¡ Semiconductor
MSC1205
6/15
PIN DESCRIPTION
Symbol
DATA
LOAD
Description
Serial data input pin. This pin receives display data, dimming data, enable bit and mode bit.
Shift clock input pin with Schmitt circuit.
Serial data is clocked in this pin at the rising edge of the shift clock pulse.
Load pulse input pin.
The load signal is input when dimming data and segment data transfer is finished.
Power supply voltage. This pin is connected to a power supply of 8 to 18V.
Grid driver output pin. When this pin is set to "L", the display is turned on. This pin is connected
to external PNP transistor.
The segment data of the first bit (S1) to the 32nd bit (S32) is valid in the segment data of 64
bits.
Display blank input pin with a pull-up resistor.
When this pin is set to "L", the display is turned off (SEGn = "L")
Segment driver output pins. These pins provide large current
driving (IOH = –5.5mA at VDD = 12V) and small current
driving (IOH = –1.8mA at VDD = 12V).
Oscillation input pin. This pin is connected to an external capacitor of 82pF. A standard
oscillation frequency is 512kHz.
CLOCK
SEG1
-SEG32
VDD
GRID1
Test input pin with a pull-down resistor.
Normally this pin should be left open or should be connected to ground.
Ground pin.
This pin is connected to ground (VSS = 0)
OSC
TEST
VSS
GRID2
BLANK
Grid driver output pin. When this pin is set to "L", the display is turned on. This pin is connected
to external PNP transistor.
The segment data of the 33rd bit (S33) to the 64th bit (S64) is valid in the segment data of 64
bits.
Type
I
I
I
O
O
O
I
I
I


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