DESCRIPTION
PT6311 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor housed in 52-pin...
DESCRIPTION
PT6311 is a Vacuum Fluorescent Display (VFD) Controller driven on a 1/8 to 1/16 duty factor housed in 52-pin plastic LQFP Package. Twelve segment output lines, 8 grid output lines, 8 segment/grid output drive lines, one display memory, control circuit, key scan circuit are all incorporated into a single chip to build a highly reliable peripheral device for a single chip micro computer. Serial data is fed to PT6311 via a three-line serial interface.
APPLICATION
Microcomputer Peripheral Devices
BLOCK DIAGRAM
PT6311 VFD Driver/Controller IC
FEATURES
CMOS Technology Low Power Consumption Key Scanning (12 x 4 matrix) Multiple Display Modes: (12 segments, 16 digits to
20 segments, 8 digits) 8-Step Dimming Circuitry LED Ports Provide (5 channels, 20mA max.) 4- Bits General Purpose Input Ports Provided Serial Interface for Clock, Data Input, Data Output,
Strobe Pins No External Resistors Needed for Driver Outputs Available in 52pins LQFP
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PT6311
12-GRID X 16-SEGMENT VFD APPLICATION CIRCUIT
V3.4
2 February 2012
ORDER INFORMATION
Valid Part Number
Package Type
PT6311-LQ
52 Pins, LQFP
PIN CONFIGURATION
PT6311
Top Code PT6311-LQ
V3.4
3 February 2012
PT6311
PIN DESCRIPTION
Pin Name
I/O
SW1 to SW4
I
DOUT
O
DIN NC CLK
I I
STB I
K1 to K4
VDD
SG1/KS1 to SG12/KS12
SG20/GR9 to SG19/GR10 SG18/GR11 to SG13/GR16
VEE GR1 t...
