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AD6311 PDF даташит

Спецификация AD6311 изготовлена ​​​​«Anachip» и имеет функцию, называемую «1/8- to 1/16 Duty VFD Controller/Driver».

Детали детали

Номер произв AD6311
Описание 1/8- to 1/16 Duty VFD Controller/Driver
Производители Anachip
логотип Anachip логотип 

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AD6311 Даташит, Описание, Даташиты
1/8- to 1/16 Duty VFD Controller/Driver
AD6311
Features
- 4-pin serial interface
- Key scanning (12x4 matrices)
- Programming display modes (16-digit & 12-
segment to 8-digit & 20-segment)
- Programming dimming step
- High-voltage output (VDD-35V max)
- 5 channels LED ports
- 4-pin general-purpose input port
- Built-in oscillator
- No external resistor necessary for driver outputs
Pin Assignments
General Description
The AD6311 is a VFD (Vacuum Fluorescent
Display) controller/driver that is driven on a 1/8- to
1/16 duty factor (include key scan). It consists of 12
segment/key scan output lines, 8 grid output lines,
8 segment/grid output drive lines, a display memory,
a control circuit, and a key scan circuit. Serial data
is input to the AD6311 through a four-line serial
interface.
Grid5
Grid4
Grid3
Grid2
Grid1
VDD
LED5
LED4
LED3
LED2
LED1
VSS
OSC
40
41
42
43
44
45
46
47
48
49
50
51
52
26 Seg12 / KS12
25 Seg11 / KS11
24 Seg10 / KS10
23 Seg9 / KS9
22 Seg8 / KS8
21 Seg7 / KS7
20 Seg6 / KS6
19 Seg5 / KS5
18 Seg4 / KS4
17 Seg3 / KS3
16 Seg2 / KS2
15 Seg1 / KS1
14 VDD
Use all the power pins.
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. A5 Dec 29, 2003
1/11









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AD6311 Даташит, Описание, Даташиты
1/8- to 1/16 Duty VFD Controller/Driver
AD6311
Pin Descriptions
Symbol
DIN
DOUT
STB
CLK
OSC
Seg1/KS1 to
Seg12/KS12
Grid1 to Grid8
Seg13/Grid16 to
Seg20/Grid9
LED1 to LED5
KEY1 to KEY4
VDD
VSS
VEE
SW1 to SW4
NC
Name
Data input
Data output
Strobe
Clock input
Oscillator pin
High-voltage output
High-voltage output (Grid)
High-voltage output (Segment/grid)
LED output
Key data input
Logic power
Logic ground
Pull-down level
Switch input
NC
No. Description
6
5
9
8
52
15 to 26
Input serial data at rising edge of shift clock,
starting from the low order bit.
Output serial data at the falling edge of the shift
clock, starting from low order bit. This is N-ch
open-drain output pin.
Initializes serial interface at the rising or falling
edge of the AD6311. It then waits for reception of a
command. Data input after STB falling is
processed as a command. While command data is
processed, current processing is stopped, and the
serial interface is initialized. While STB is high,
CLK is ignored.
Reads serial data at the rising edge, and outputs
data at the falling edge.
Connect resistor in between this pin and Vdd to set
up the oscillation frequency.
Multi-function pins, Segment output pins (Dual
function as key scan source)
37 to 44 Grid output pins
27 to 32 These pins are selectable for segment or grid
35, 36 driving.
46 to 50 CMOS output
10 to 13
Data input to these pins is latched at the end of the
display cycle.
14, 33, 45 Logic power supply
51 Connect this pin to system GND.
34 Driver power supply
1 to 4
These pins constitute a 4-bit general-purpose input
port.
7 No connection
Ordering Information
AD6311X X X
Package
Q: QFP-52L
Lead
Blank: Normal
F: Lead Free
Packing
Blank : Tray
Anachip Corp.
www.anachip.com.tw
2/11
Rev. A5 Dec 29, 2003









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AD6311 Даташит, Описание, Даташиты
1/8- to 1/16 Duty VFD Controller/Driver
Block Diagram
DIN
DOUT
CLK
Serial
I/F
STB
VDD
R
OSC
KEY1
to
KEy4
SW1
to
SW4
4
4
4-bit
latch
Command
decoder
Dimming
circuit
Display memory
20 bitX16Words
Timing generator
key scan
Key data memory
(4X2)
5-bit latch
LED1 LED5
20 12
8
8
8
16
8
VDD Vss VEE
(+5V) (0V) (-30V)
AD6311
Seg1
Seg12
Seg13/Grid16
Seg20/Grid9
Grid1
Grid8
Anachip Corp.
www.anachip.com.tw
3/11
Rev. A5 Dec 29, 2003










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