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PDF SC16312 Data sheet ( Hoja de datos )
| Número de pieza | SC16312 | |
| Descripción | 1/4 to 1/11 Duty VFD Controller | |
| Fabricantes | FUMAN ELECTRONICS | |
| Logotipo |  |
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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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1 page  
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
A. C. Characteristics
Symbol
tPHL
tPLH
tr1
Tr2
tf
tmax
Ci
tcw
tsw
tSU
th
tcs
tw
Parameter
Propagation Delay Time
Rise TIme
Fall Time
Maximum Clock Frequency
Input Capacitance
Clock Pulse Width
Strobe Pulse Width
Data Setup Time
Data Hold Time
Clock-Strobe Time
Wait Time
Test Conditions
VDD
Conditions
5V CL→DO
5V CL=15pF,RL=10kΩ
5V CL=300PF,
S0~S10
CL=300PF,
5V Go~G5,
S11/G10~S15/G6
5V CL=300pF, Sn, Gn
5V Duty=50%
5V -
5V -
5V -
5V -
5V -
5V
CLK rising edge to
CS rising edge
CLK rising edge to
5V CS rising edge
Min.
-
-
-
-
-
1
-
400
1
100
100
1
1
Typ. Max. Unit
- 300 ns
- 100 ns
- 2 us
- 0.5 us
- 120 us
- - MHz
- 15 pF
- - ns
- - ns
- - ns
- - ns
- - us
- - us
Functional Description
Display RAM and display mode
The static display RAM is organized into 22×8 bits and stores the data transmitted from an external
device to the SC16312 through a serial interface. The contents of the RAM are directly mapped to the
contents of the VFD driver. Data in the RAM can be accessed through the data setting, address setting and
display control commands. It is assigned addresses in 8-bitunit as follows:
S0 ~ S3 S4 ~ S7 S8 ~ S11 S12 ~ S15
第 5 页 共 11 页
5 Page 
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
Updating specific addresses
234
Application Circuits
R6
R7
R8
R9
VDD
Rosc
MCU
D1 D2 D3 D4 D5 D6
S0～S5
K0 K1 K2 K3
VDD
S0/K0 S1/K1 S2/K2 S3/K3 S4/K4 S5/K5
OSC IC:SC16312
CS
CLK
DI
D0
LED0 LED1 LED2 LED3 SW0 SW1
S6～S10
S11/G10～S15/G6
G0～G5
VEE
SW2 SW3 VSS
5 SEGMENTS
5 Grids/Segments
6 Grids
- 25V
VFD
Ef
R1 R2 R3 R4 R5
VDD
VDD
Note: Rosc=51kΩ for oscillator resistor
R1=1~10 kΩ for external pull-high resistor
R2~R5=750 Ω ~1.2 Ω
R6~R9=10 kΩ for external pull-low resistor
D1~D6=1N4001
Ef=Fiament voltage for VFD
第 11 页 共 11 页
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SC16312.PDF ] | |
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