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參數(shù)資料
| 型號： | W66880CF |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | VFD(Vacuum Fluorescent Display) Controller/Driver(VFD驅(qū)動器/控制器) |
| 中文描述： | 變頻（真空熒光顯示屏）控制器/驅(qū)動器（VFD顯示驅(qū)動器/控制器） |
| 文件頁數(shù)： | 1/1頁 |
| 文件大?。?/td> | 16K |
| 代理商： | W66880CF |
W66880CF
VFD CONTROLLER/DRIVER
Winbond Corporate Headquarters
Tel : 886-3-5790666
Fax : 886-3-5796139
Taipei Sales Office
Tel : 886-2-7190505
Fax : 886-2-7197502
Winbond Electronics North America Corp.
Tel : 1-408-9436666
Fax : 1-408-9436668
Winbond Electronics H.K. Ltd.
Tel : 852-27513100
Fax : 852-27552064
Details are subject to change without notice. All trademarks are property of their respective holders. Apr. 1999
GENERAL DESCRIPTION
The W66880CF is a VFD (Vacuum Fluorescent Display)
controller/driver. It is pin-to-pin compatible with NEC
uPD16312 and PTC6312 and can be programmed to drive
a VFD with 4 grids by 16 segments to 8 grids by 14
segments. The W66880CF also includes a 24-key key
scan circuit and four LED ports and four general purpose
input ports. Data communication with the W66880CF is
via a serial interface.
FEATURES
Flexible display modes (4 to 8 grids)
4 grids
×
16 segments to 8 grids
×
14 segments
6
×
4 matrix key scanning
8 steps dimming circuit
High voltage output (V
DD
- V
EE
= 30V max)
Four 15 mA LED ports
Four general-purpose input port
Internal driver output pull-down resisters
Only one external resister is needed for the on chip
oscillator
Simple serial interface
44-pin PQFP
APPLICATIONS
VFD display driving and panel function control
Applicable to FUTABA Standardized VFD Panel for
VCD Player (Part#: 6-BT-265GK and 6-BT-267GK,
both 6 grids
×
16 segments)
Functional Block Pin Configuration
V
D
SW1
SW2
SW3
SW4
Dout
CLK
STB
Key1
Key2
K
K
S
S
S
S
Sg9
Sg10
Sg12
G
G
G
V
S
V
D
L
O
4
4
4
4
4
3
3
3
3
3
3
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
1
1
1
1
1
1
1
1
2
2
2
W66880
S
S
S
S
Sg11
Din
V
SS
Sg13
V
EE
Sg16/G7
Sg15/G8
Sg14
G6
G5
G
L
L
L
Din
Dout
CLK
STB
OSC
Key[1:4]
SW[1:4]
LED[1:4]
Sg[1:14]
Sg[15:16]
/G[8:7]
G[1:6]
R
V
DD
4
16
14
2
2
8
6
2
key data memory
Scan Timing
Generator
Display memory
16 bits x 8 words
Serial
interface
OSC
Data
switch
Segment
Driver
Multi-
plexed
driver
Grid
driver
4-bit input latch
4-bit output latch
4
4
V
DD
V
EE
V
SS
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