SAMHOP Microelectronics Corp.
VFD CONTROLLER / DRIVER
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.
SM6311
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)
Sg19/G10
Sg18/G11
Sg17/G12
Sg16/G13
Sg15/G14
Sg14/G15
Sg13/G16
Sg20/G9
G5
G4
G3
G2
G1
V
DD
LED5
LED4
LED3
LED2
LED1
GND
OSC
39 38 37 36 35 34 33 32 31 30 29 28 27
40
26
41
42
43
44
45
46
47
48
49
50
51
52
1
2
3
4
5
6
7
8
9
10 11
25
24
23
22
21
20
19
18
17
16
15
14
12 13
V
DD
V
EE
G6
G7
G8
Sg12/KS12
Sg11/KS11
Sg10/KS10
Sg9/KS9
Sg8/KS8
Sg7/KS7
Sg6/KS6
Sg5/KS5
Sg4/KS4
Sg3/KS3
Sg2/KS2
Sg1/KS1
V
DD
NC
CLK
STB
S1
S2
S3
S4
K1
K2
K3
Page 1
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D
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V.1.2, MAY,2003
K4
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
