AD6315Q ANACHIP [Anachip Corp], AD6315Q Datasheet

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AD6315Q

Manufacturer Part Number
AD6315Q
Description
1/4- to 1/12 Duty VFD Controller/Driver
Manufacturer
ANACHIP [Anachip Corp]
Datasheet
1.AD6315Q.pdf (16 pages)
- Multiple display modes
- Key scanning (16 x 2 matrix)
- Dimming circuit (eight steps)
- High-voltage output ( V
- 4 channel LED ports
- No external resistors necessary for driver outputs
- Serial interface (CLK, STB, D
- Package: 44-pin plastic QFP and LQFP
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.
1/4- to 1/12 Duty VFD Controller/Driver
(16-segment & 12-digit to 24-segment & 4-digit)
(P-ch open-drain + pull-down resistor output)
Features
Pin Assignments
Seg
Seg
Seg
Seg
Seg
20
21
22
23
24
/Grid
/Grid
/Grid
/Grid
/Grid
Grid
Grid
Grid
Grid
V
V
DD
SS
9
8
7
6
5
4
3
2
1
EE (max)
IN
= V
, D
DD
OUT
– 35V )
)
1/16
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.
General Description
AD6315
Seg
Seg
Seg
Seg
Seg
Seg
Seg
Seg
Seg
V
V
Rev. A5 Dec 29, 2003
DD
SS
9
8
7
6
5
4
3
2
1
/KS
/KS
/KS
/KS
/KS
/KS
/KS
/KS
/KS
9
8
7
6
5
4
3
2
1

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AD6315Q Summary of contents

Page 1

Duty VFD Controller/Driver Features - Multiple display modes (16-segment & 12-digit to 24-segment & 4-digit) - Key scanning ( matrix) - Dimming circuit (eight steps) - High-voltage output ( (max) - ...

Page 2

Duty VFD Controller/Driver Pin Descriptions Symbol Name D Data input IN D Data output OUT STB Strobe CLK Clock input OSC Oscillator pin Seg / High-voltage output (Segment) Seg / Grid to ...

Page 3

Duty VFD Controller/Driver Block Diagram Serial OUT interface CLK STB OSC OSC R Key1,Key2 2 Anachip Corp. www.anachip.com.tw Command decoder Dimming circuit 24 Display memory 24 bits x 12 words Timing generator key scan ...

Page 4

Duty VFD Controller/Driver Absolute Maximum Ratings Parameter Logic supply voltage Driver supply voltage Logic input voltage VFD driver output voltage LED driver output current VFD driver output current Power dissipation Operating ambient temperature Storage temperature Note : ...

Page 5

Duty VFD Controller/Driver Electrical Characteristics Parameter High-level output voltage Low-level output voltage Low-level output voltage High-level output current High-level output current Driver leakage current Output pull-down resistor Input current High-level input voltage Low-level input voltage Hysteresis voltage ...

Page 6

Duty VFD Controller/Driver Timing Characteristics Parameter Clock pulse width Strobe pulse width Data setup time Data hold time Clock-strobe time Wait time Note : Refer to the Serial communication format. Function Descriptions (1) Display RAM Address and ...

Page 7

Duty VFD Controller/Driver (2) Key Matrix and Key-input Data Storage RAM The key matrix is made matrix, as shown below. KEY 1 KEY 2 The data of each key is stored ...

Page 8

Duty VFD Controller/Driver (Ⅰ) Display mode setting commands These commands initialize the AD6315 and select the number of segments and the number of grids (1/4- to 1/12- duty, 16 segments to 24 segments). When these commands are ...

Page 9

Duty VFD Controller/Driver (Ⅲ) Address setting command These commands set an address of the display memory. MSB 1 1 Note : (a) If address 24H or higher is set, data is ignored, until a valid address is ...

Page 10

Duty VFD Controller/Driver (5) Key Scanning And Display Timing T DISP SEG output Note : One cycle of key scanning consists of two frame, and data in ...

Page 11

Duty VFD Controller/Driver STB CLK OUT A data read command is set. Note : When data is read, a wait time t WAIT falling of the first clock that has ...

Page 12

Duty VFD Controller/Driver (9) Applications Updating display memory by incrementing address STB CLK D Command 1 Command 2 IN Command 1 ：sets display mode Command 2 ：sets data Command 3 ：sets address Data ：transfers ...

Page 13

Duty VFD Controller/Driver Application Circuit OUT Microcontroller CLK STB -30V V EE Note : Remark : R1, 10kΩ R2 ...

Page 14

Duty VFD Controller/Driver Package Information (1) Package Type: Plastic QFP-44L Dimension in millimeter (mm.). 0.3 TYP. Anachip Corp. www.anachip.com.tw 13.2 ± 0.5 10.0 ± 0 10.0 13.2 ± 0.5 ± 0.5 ...

Page 15

Duty VFD Controller/Driver (2) Package Type: LQFP-44L ( Top View ) PIN 1 INDENT Dimensions In Millimeters Symbol Min 0.05 A2 1.35 b 0.30 C 0.09 E 11.50 E1 9.50 D ...

Page 16

Duty VFD Controller/Driver Marking Information Part Number Anachip Corp. www.anachip.com.tw Top view AC Logo AD6315 X Blank: Nomal F: Lead Free Package XX XX XXX ID code: internal Nth week: 01~52 Year: "01" = 2001 "02" = ...

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