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PDF SC16312 Data sheet ( Hoja de datos )
| Número de pieza | SC16312 | |
| Descripción | VFD CONTROLLER/DRIVER | |
| Fabricantes | Silan Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC16312 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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SC16312
VFD CONTROLLER/DRIVER OF 1/4 ~1/11 DUTY
DESCRIPTION
The SC16312 is a FIP (Fluorescent Indicator Panel, or Vacuum
Fluorescent Display) controller/driver, and it’s duty is 1/4 or 1/11. It
includes 11 segment output lines, 6 grid output lines, 5 segment/grid
output drive lines, a display memory, a control circuit, and a key scan
circuit. Serial data is input to the SC16312 through a three-line serial
interface. This FIP controller/driver is ideal as a peripheral device for a
single-chip microcomputer.
FEATURES
QFP-44-10x10-0.8
LQFP-44-10x10-0.8
* Multiple display modes
* Key scanning (6x4 matrix).
ORDERING INFORMATION
* Dimming circuit (eight steps).
* High-voltage output (VDD –35V max).
* LED ports (4 chs., 20 mA max).
* General-purpose input port (4 bits)
Device
SC16312
SC16312L
Package
QFP-44-10X10-0.8
LQFP-44-10X10-0.8
* No external resistors necessary for driver outputs (P-ch open-drain
+ pull-down resistor output)
APPLICATIONS
* Serial interface (CLK, STB, DIN, DOUT)
* Suitable for telephone, VCD and etc.
multiple LCD driver and controller.
BLOCK DIAGRAM
Command decoder
Dimming circuit
DIN
DOUT
CLK
STB
Serial I/F
Display memeoy
16 bits x 11 words
OSC
OSC
Timing generator
key scan
KEY1
~
KEY4
4
SW1
4-bit
~
SW4
4
latch
key data memory (4 x 6)
4-bit latch
LED1
LED4
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
16-bit
output
latch 16
Segm-
ent
driver
11
5
Multip
Data
selector 5
lexed
driver
11-bit
shift
register
5
11
6
Grid
driver
Seg1
Seg11
Seg12/Grid
Seg13/Grid
Seg16/Grid
Grid1
Grid6
VDD VSS VEE
(+5V) (0V) (-30V)
REV:1.4 2006.02.27
Page 1 of 13
1 page  
SC16312
FUNCTIONAL DESCRIPTION
1. DISPLAY RAM ADDRESS AND DISPLAY MODE
The display RAM stores the data transmitted from an external device to the SC16312 through the serial
interface, and is assigned addresses as follows, in 8 bits unit:
Seg1 Seg4 Seg8
Seg12 Seg16
00HL
00HU 01HL
01HU
DIG1
02HL
02HU 03HL
03HU
DIG2
04HL
04HU 05HL
05HU
DIG3
06HL
06HU 07HL
07HU
DIG4
08HL
08HU 09HL
09HU
DIG5
0AHL
0AHU 0BHL
0BHU
DIG6
0CHL
0CHU 0DHL
0DHU
DIG7
0EHL
0EHU 0FHL
0FHU
DIG8
10HL
10HU 11HL
11HU
DIG9
12HL
12HU 13HL
13HU
DIG10
14HL
14HU 15HL
15HU
DIG11
b0 b3
xxHL
Lower 4 bits
b4 b7
xxHU
Higher 4 bits
2. KEY MATRIX AND KEY-INPUT DATA STORAGE RAM
The key matrix is made up of a 6 x 4 matrix, as shown below.
KEY1
KEY2
KEY3
KEY4
The data of each key is stored as illustrated below, and is read with the read command, starting from the least
significant bit.
KEY1 … KEY4
KEY1 … KEY4
Seg1/KS1
Seg2/KS2
Seg3/KS3
Seg5/KS5
b0 --------- b3
Seg4/KS4
Seg6/KS6
b4 --------- b7
Reading
sequence
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2006.02.27
Page 5 of 13
5 Page 
PACKAGE OUTLINE
QFP-44-10x10-0.8
SC16312
UNIT: mm
LQFP-44-10x10-0.8
UNIT: mm
HANGZHOU MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.4 2006.02.27
Page 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet SC16312.PDF ] | |
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