AD6315 Datasheet PDF - Anachip

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AD6315
Anachip

Part Number AD6315
Description 1/4- to 1/12 Duty VFD Controller/Driver
Page 16 Pages

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1/4- to 1/12 Duty VFD Controller/Driver
AD6315
Features
- Multiple display modes
(16-segment & 12-digit to 24-segment & 4-digit)
- Key scanning (16 x 2 matrix)
- Dimming circuit (eight steps)
- High-voltage output ( VEE (max) = VDD – 35V )
- 4 channel LED ports
- No external resistors necessary for driver outputs
(P-ch open-drain + pull-down resistor output)
- Serial interface (CLK, STB, DIN, DOUT)
- Package: 44-pin plastic QFP and LQFP
General Description
The AD6315 is a VFD (Vacuum Fluorescent Display
or fluorescent Indicator Panel) driver that is driven
on a 1/4- to 1/12- duty factor. It consists of 16
segments and 4 grids output lines, 8 segments /
grid output driving lines, a display memory, a control
circuit, and a key scan circuit. Serial data is input to
the AD6315 through a 3-wire serial interface. This
VFD driver is ideal as a peripheral device for a
single-chip microcomputer.
Pin Assignments
Seg20/Grid9
Seg21/Grid8
Seg22/Grid7
Seg23/Grid6
Seg24/Grid5
Grid4
Grid3
Grid2
Grid1
VDD
VSS
Seg9/KS9
Seg8/KS8
Seg7/KS7
Seg6/KS6
Seg5/KS5
Seg4/KS4
Seg3/KS3
Seg2/KS2
Seg1/KS1
VDD
VSS
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
1/16

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