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PDF SC6928 Data sheet ( Hoja de datos )
| Número de pieza | SC6928 | |
| Descripción | LED Driver IC | |
| Fabricantes | ETC | |
| Logotipo |  |
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SC6928(文件编号：S&CIC0311)
LED Driver IC
DESCRIPTION
SC6928 is an LED Controller driven on a 1/7to 1/8 duty factor. Eleven segment output lines, six grid output lines, 1
segment/grid output lines, one display memory, control circuit , key scan circuit are all incorporated into a single chip to build a
highly reliable peripheral device for a single chip microcomputer. Serial data is fed to SC6928 via a four-line serial interface.
Housed in a 28-pin SO Package, SC6928 pin assignments and application circuit are optimized for easy PCB Layout and cost
saving advantages.
www.DaFtaSEhAeeTt4UU.coRmES
CMOS Technology
Low Power Consumption
Multiple Display Modes
Key Scanning
8-Step Dimming Circuitry
Serial Interface for Clock, Data Input, Data Output, Strobe Pins
Available in 28-Pin, SOP Package
APPLICATION
Micro-computer Peripheral Device
VCR set
Combi set
BLOCK DIAGRAM
DI/O
CLK
STB
OSC
R
GND
Serial
Data
Interface
Control
Dispaly Memory
OSC Timing Generator
Key Matrix
Memory
SEGMENT DRIVER/
KEY SCAN OUTPUT/
GRID DRIVER
SG1/KS1
SG2/KS2
SG3/KS3
SG4/KS4
SG5/KS5
SG6/KS6
SG7/KS7
SG8/KS8
SG9/KS9
SG10/KS10
SG12/GR7
SG13/GR6
SG14/GR5
GR4
GR3
GR2
GR1
K1 K2
Dimming Circuit
VDD GND
第1页共1页
1 page  
SC6928(文件编号：S&CIC0311)
LED Driver IC
When the most significant bit of the data (b0) has been read, the least significant bit of the next data (b7) is read.
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Command 3: Address Setting Commands
Address Setting Commands are used to set the address of the display memory. The address is considered valid if it has a
value of 00H to 0DH. If the address is set to 0EH or higher, the data is ignored until a valid address is set. When power is
turned ON, the address is set at at 00H.
Please refer to the diagram below.
DISPALYMODE AND RAMADDRESS
Data transmitted from an external device to SC6928 via the serial interface are stored in the Display RAM and are
assigned addresses. The RAM addresses of SC6928 are given below in 8 bits unit.
Command 4: Display Control Commands
The Display Control Commands are used to turn ON or OFF a display. It also used to set the pulse width. Please refer to
第5页共5页
5 Page 
SC6928(文件编号：S&CIC0311)
APPLICATION CIRCUIT
4148
+5V
VDD
www.DataSheet4U.comMCU
VSS
V+
33K
2.2K
2.2K
2.2K
OSC
DI/O
CLK
STB
K1
K2
V+ VDD
S1 SG1/KS1
S2 SG2/KS2
S3 SG3/KS3
S4 SG4/KS4
S5 SG5/KS5
S6 SG6/KS6
SG7/KS7
S7
LED Driver IC
GND
GR1
GR2
G1
G2
GND
GR3
GR4
G3
G4
GND
VDD
V+
0.1uF
SG14/GR5
G5
SG13/GR6
G6
SG12/GR7
S12
SG10/KS10
S10
SG9/KS9
S9
SG8/KS8
S8
G1 DIGHT1
G2 DIGHT2
G3 DIGHT3
G4 DIGHT4
G5 DIGHT5
G6 DIGHT6
S10 SEG10
S9 SEG9
S8 SEG8
S7 SEG7
S6 SEG6
S5 SEG5
S4 SEG4
S3 SEG3
S2 SEG2
S1 SEG1
Note: 1、推荐使用时，I2C总线端口外置上接电阻在 2.2K为宜;
2、为降低系统信号的串扰，建议产品之 MCU 与 SC6928 供电之正极串接 4148 二极体隔离。
COMMON CATHODE TYPE LED PANEL:
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SC6928.PDF ] | |
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