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參數資料
| 型號： | MAX6853AEE-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 2-Wire Interfaced, 5 x 7 Matrix Vacuum-Fluorescent Display Controller |
| 中文描述： | VACUUM FLUOR DISPLAY DRIVER, PDSO16 |
| 封裝： | 0.150 INCH, 0.25 MM PITCH, MO-137, QSOP-16 |
| 文件頁數： | 1/35頁 |
| 文件大小： | 489K |
| 代理商： | MAX6853AEE-T |
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General Description
The MAX6853 compact vacuum-fluorescent display
(VFD) controller provides microprocessors with the mul-
tiplex timing for 5 x 7 matrix VFD displays up to 96
characters and controls industry-standard, shift-regis-
ter, high-voltage grid/anode VFD tube drivers. The
device supports display tubes using either one or two
digits per grid, as well as universal displays. The
MAX6853 provides an internal crosspoint switch to
match any tube-driver shift-register grid/anode order,
and is compatible with both chip-in-glass and external
tube drivers. Hardware is included to simplify the gen-
eration of cathode bias and filament supplies and to pro-
vide up to five logic outputs, including a buzzer driver.
The MAX6853 includes an ASCII 104-character font,
multiplex scan circuitry, and static RAM that stores
digit, cursor, and annunciator data, as well as font data
for 24 user-definable characters. An internal 16-step
digital brightness control adjusts the display intensity.
The device also includes separate annunciator and cur-
sor control with automatic blinking, as well as a low-
power shutdown mode.
The MAX6853 provides timing to generate the PWM
waveforms to drive the tube filament from a DC supply.
The filament drive is synchronized to the display multi-
plexing to eliminate beat artifacts.
For an SPI-compatible version, refer to the MAX6852
data sheet.
Applications
Features
o 400kbps 2-Wire I2C-Compatible Interface
o 2.7V to 3.6V Operation
o Controls Up to 96 5 x 7 Matrix Characters
o One Digit and Two Digits per Grid and Universal
Displays Supported
o 16-Step Digital Brightness Control
o Built-In ASCII 104-Character Font
o 24 User-Definable Characters
o Up to Four Annunciators per Grid with Automatic
Blinking Control
o Separate Cursor Control with Automatic Blinking
o Filament Drive Full-Bridge Waveform Synthesis
o Buzzer Tone Generator with Single-Ended or
Push-Pull Driver
o Up to Five General-Purpose Logic Outputs
o 9A Low-Power Shutdown (Data Retained)
o 16-Pin QSOP Package
MAX6853
2-Wire Interfaced, 5
7 Matrix Vacuum-
Fluorescent Display Controller
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-2673; Rev 0; 10/02
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
PART
TEMP RANGE
PIN-PACKAGE
MAX6853AEE
-40
°C to +125°C
16 QSOP
Display Modules
Retail POS Displays
Weight and Tare
Displays
Bar Graph Displays
Industrial Controllers
SPI is a trademark of Motorola, Inc.
MAX6853
VFCLK
VFDOUT
VFLOAD
VFBLANK
OSC2
SDA
V+
SCL
AD0
OSC1
SDA
SCL
MICROCONTROLLER
56pF
0.1
F
GND
CHIP-ON-GLASS VFD
VFD SUPPLY VOLTAGE
10k
Typical Application Circuit
Pin Configuration and Functional Diagram appear at end of
data sheet.
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