AD6311 Datasheet PDF - Anachip

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AD6311
Anachip

Part Number AD6311
Description 1/8- to 1/16 Duty VFD Controller/Driver
Page 11 Pages


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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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