三合微科股�½有限公司
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AM
H
OP
Microelectronics Corp.
SM16312
VFD CONTROLLER
/DRIVER
GENERAL DESCRIPTION
SM16312 is a Vacuum Fluorescent Display
(VFD) Controller driven on a 1/8 to 1/16
duty factor. Eleven segment output lines, 6
grid output lines, 5 segment/grid output
drive lines, key scan, one display memory,
IC control circuit are all incorporated in a
single chip. It is pin to pin compatible with
uPD16312(NEC). This SM16312 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(4 outs, 20mA max)
* No external Resistors Needed for Driver
Outputs
* Serial Interface for controller
APPLICATIONS
* Audio System
* Car Stereo
* VCD
* DVD
* VCR
* TV
G4
G3
G2
G1
VDD
LED4
LED3
LED2
LED1
GND
OSC
34
35
36
37
38
39
40
41
42
43
44
PIN ASSIGNMENT
G5
G6
Sg16/G7
Sg15/G8
Sg14/G9
Sg13/G10
VEE
Sg12/G11
Sg11
Sg10
Sg9
33 32 31 30 29 28 27 26 25 24 23
22
21
20
19
18
17
16
15
14
13
12
Sg8
Sg7
Sg6/KS6
Sg5/KS5
Sg4/KS4
Sg3/KS3
Sg2/KS2
Sg1/KS1
VDD
K4
K3
31 32 33 34 35 36 37 38 39
10 11
Page 1
D
OUT
DIN
GND
CLK
STB
K1
K2
V.1.2, 8/8/01
S1
S2
S3
S4
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
