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SC16312 の電気的特性と機能

SC16312のメーカーはFUMAN ELECTRONICSです、この部品の機能は「1/4 to 1/11 Duty VFD Controller」です。


製品の詳細 ( Datasheet PDF )

部品番号 SC16312
部品説明 1/4 to 1/11 Duty VFD Controller
メーカ FUMAN ELECTRONICS
ロゴ FUMAN ELECTRONICS ロゴ 




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SC16312 Datasheet, SC16312 PDF,ピン配置, 機能
深圳市富满电子有限公司
SHENZHEN FUMAN ELECTRONICS CO., LTD.
SC16312(文件编号:S&CIC0208)
1/4 to 1/11 Duty VFD Controller
Features
Logic voltage:5V
High-voltage output:VDD-30Vmax
Multiple display (11-segment & 11-digit to 16-segment &4-digit)
6×4 matrix key scanning
8 steps dimmer circuit
4 LED output ports
4-bit general purpose input port
No external resistors necessary for driver output (provides PMOS open-drain and pull-low resistor
output)
Serial interface with MCU (CLK, CS, DI, DO)
Applications
Consumer products panel function control
Other similar application panel function control
Industrial measuring instrument panel unction control
General Description
SC16312 is a VFD (Vacuum Fluorescent Display) controller driver that is driven on a 1/4 to 1/11
duty factor. It consists of 11 segment output lines, 6 grid output lines, 5 segment/grid output drives,4 LED
output ports, a control circuit, a display memory, and a key scancircuit.
Serial data inputs to the SC16312 through a three-line serial interface. This VFD controller/driver is
ideal as a peripheral device for an MCU.
Block Diagram
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SC16312 pdf, ピン配列
深圳市富满电子有限公司
SHENZHEN FUMAN ELECTRONICS CO., LTD.
SC16312(文件编号:S&CIC0208)
1/4 to 1/11 Duty VFD Controller
Segment or Grid driver output pins. These pins are selectable for
26, 28~31 S11/G10~S15/G6 O segment or grid driving. This is PMOS open-drain and pull-low
resistor output.
27
VEE
VFD power supply
37~32
G0~G5
Grid driver output pins (Grid only). This is PMOS open-drain and
O
pull-low resistor output.
42~39
LED0~LED3 O LED driver output ports. This is a CMOS output pin
44 OSC I Connected to an external resistor or an RC oscillator circuit.
Approximate internal connections
Absolute Maximum Ratings
Supply Voltage ------------------ -0.3v to 5.5v
Input Voltage ------------------- vss-0.3v to VDD+0.3v
Operating Temperature ----------- -25to 75
Storage Temperature ------------- -50to 125
Note:These are stress ratings only. Stresses exceeding the range specified under “Absolute Maximum
Ratings” may cause substantial damage to the device. Function of this device at other conditions
beyond those listed in the specification is not implied and prolonged exposure to extreme
conditions may affect device reliability.
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SC16312 電子部品, 半導体
深圳市富满电子有限公司
SHENZHEN FUMAN ELECTRONICS CO., LTD.
SC16312(文件编号:S&CIC0208)
1/4 to 1/11 Duty VFD Controller
Dimming Control
SC16312 porvides 8-step dimmer function on display by controlling the 3-bit binary command code.
The full pulse width of grid signal is divides into 16 uniform sections by PWM(pulse width
modulation )technology.
The 16 uniform sections available form 8 steps dimmer via 3-bit binary code. The 8-step dimmer
includes 1/16, 2/16, 4/16, 10/16, 11/16, 12/16, 13/16, and 14/16. The 1/16 pulse width indicates minimum
lightness. The 14/16 pulse width represents maximum lightness. The 14/16 pulse width represents
maximum lightness. (Refer to the display control command).
Key matrix and key-input data storage RAM
The key matrix scans the series key states at each level of the key strobe signal
(S0/K0~S5/K5)output of the :SC16312. The key strobe signal outputs are time-multiplexed signals from
S0/K0~S5/K5. The states of inputs K0~K3 are sampled by strobe signal S0/K0~S5/K5 and latched into
the register.
The key matrix is made up of a 6x4 matrix, as shown below.
Detail
The data of each key is stored as illustrated below. And is read with the read command, starting form
the least significant bit.
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