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HT16512 Datasheet

  • HT16512

  • 1/4 to 1/11 Duty VFD Controller

  • 12頁

  • HOLTEK

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1/4 to 1/11 Duty VFD Controller
Features
HT16512
Logic voltage: 5V
High-voltage output: V
DD
-30V
max.
Multiple display (11-segment & 11-digit to
16-segment & 4-digit)
6麓4 matrix key scanning
8 steps dimmer circuit
4 LED output ports
4-bit general purpose input port
No external resistors necessary for driver
output (provides PMOS open-drain and
pull-low resistor output)
Serial interface with MCU
(CLK, CS, DI, DO)
Applications
Consumer products panel function control
Industrial measuring instrument panel func-
tion control
Other similar application panel function
control
General Description
HT16512 is a VFD (Vacuum Fluorescent Dis-
play) controller/driver that is driven on a 1/4 to
1/11 duty factor. It consists of 11 segment out-
put lines, 6 grid output lines, 5 segment/grid
output drive lines, 4 LED output ports, a con-
trol circuit, a display memory, and a key scan
circuit.
Serial data inputs to the HT16512 through a
three-line serial interface. This VFD control-
ler/driver is ideal as a peripheral device for an
MCU.
1
December 24, 1999

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