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PDF SM6311 Data sheet ( Hoja de datos )
| Número de pieza | SM6311 | |
| Descripción | VFD CONTROLLER / DRIVER | |
| Fabricantes | SamHop | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SM6311 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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SAMHOP Microelectronics Corp.
VFD CONTROLLER / DRIVER
SM6311
GENERAL DESCRIPTION
SM6311 is a Vacuum Fluorescent Display (VFD)
Controller driven on a 1/8 to 1/16 duty factor.
Twelve segment output lines, 8 grid output lines, 8
segment/grid output drive lines, key scan, one
display memory, IC control circuit are all
incorporated in a single chip. This SM6311 is ideal
as a peripheral device of a single chip
microcomputer.
FEATURES
* Multiple Display Modes
* High Voltage Output
* Key Scanning
* General Purpose Input Ports (4 bit)
* Dimming Circuitry (8 segment)
* LED Display Ports(5 outs, 20mA max)
* No external Resistors Needed for Driver
Outputs
* Serial Interface for controller
APPLICATIONS
* Audio System
* Car Stereo
* VCD
* DVD
* VCR
* TV
PIN DIAGRAM ( TOP VIEW)
G5
G4
G3
G2
G1
VDD
LED5
LED4
LED3
LED2
LED1
GND
OSC
39 38 37 36 35 34 33 32 31 30 29 28 27
40 26
41 25
42 24
43 23
44 22
45 21
46 20
47 19
48 18
49 17
50 16
51 15
52 14
1 2 3 4 5 6 7 8 9 10 11 12 13
Sg12/KS12
Sg11/KS11
Sg10/KS10
Sg9/KS9
Sg8/KS8
Sg7/KS7
Sg6/KS6
Sg5/KS5
Sg4/KS4
Sg3/KS3
Sg2/KS2
Sg1/KS1
VDD
Page 1
V.1.2, MAY,2003
1 page  
SAMHOP Microelectronics Corp.
VFD CONTROLLER / DRIVER
SM6311
SW DATA
The SW data is read by a read command, starting from the least significant bit. Bits 5 through 8 of the
SW data are 0.
MSB
LSB
0 0 0 0 b3 b2 b1 b0
COMMAND
sw1
sw2
sw3
sw4
A command sets the display mode and status of the FIP driver.
The first 1 byte input to the SM6311 through the DIN pin after the STB pin has fallen is regarded as
a command.
If STB is made high while a command / data is transmitted, serial communication is initialized, and the
command / data being transmitted is invalid ( however, the command / data already transmitted remains
valid ).
(1) Display mode setting command
The command initializes the SM6311 and selects the number of segments and number of grids ( 1/8
to 1/16 duty, 12 segments to 20 segments ).
When this command is executed, display is forcibly tuned off, and key scanning is also stopped.
To resume display, a display ON command must be executed. If the same mode is selected,
however, nothing is performed.
MSB
LSB
0 0 － － b3 b2 b1 b0
Dont's care
Selects display mode
0xxx : 8 digits, 20 segments
1000 : 9 digits, 19 segments
1001 : 10 digits, 18 segments
1010 : 11 digits, 17 segments
1011 : 12 digits, 16 segments
1100 : 13 digits, 15 segments
1101 : 14 digits, 14 segments
1110 : 15 digits, 13 segments
1111 : 16 digits, 12 segments
On power application, the 16-digit, 12-segment mode is selected.
Page 5
V.1.2, MAY,2003
5 Page 
SAMHOP Microelectronics Corp.
VFD CONTROLLER / DRIVER
PACKAGE SPEC.
52 PINS QFP DIMENSION
17.20 + 0.25
14.00
39 27
40
26
Index
52
14
1 13
1.00
Note: Controlling dimensions are in millimeters (MM).
2.75 + 0.1
0.35 + 0.1
SM6311
2.70 + 0.20
0.8 + 0.2
1.60
Page 11
V.1.2, MAY,2003
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet SM6311.PDF ] | |
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