Holtek Semiconductor HT16515
HT16515 is a VFD (Vacuum Fluorescent Display) controller/driver that is driven on a 1/4 to 1/12 duty factor. It consists of 16 segment output lines, 4 grid output lines, 8 segment/grid output drive lines, 4 LED output ports, a control circuit, a display memory, and a key scan circuit. This VFD controller/driver is an ideal MCU peripheral device.| Part No. | HT16515 |
|---|---|
| Datasheet | HT16515 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | 1/4 to 1/12 Duty VFD Controller |
| Buy | Stock & Price |
FEATURES
● Logic voltage: 5V● High-voltage output: VDD-35V max.
● Multiple display
● 4 LED output ports (20mA max.)
● No external resistors necessary for driver output (16-segment & 12-digit to 24-segment & 4-digit)
● 16´2 matrix key scanning
● 8 steps dimmer circuit (provides PMOS open-drain and pull-low resistor output)
● Serial interface with MCU (CLK, CS, DI, DO)
● 44-pin QFP package
APPLICATIONS
● Consumer products panel function control● Industrial measuring instrument panel function control
● Other similar applications for panel function control
GENERAL DESCRIPTION
Serial data inputs to the HT16515 through a three-line serial interface. Block Diagram C o m m a n d D e c o d e r S e r ia l I/F S e g 1 /K S 1 S e g 1 6 /K S 1 6 D I D O C L K C S D is p la y R A M 2 4 - B it ´ 1 2 W o r d s 2 4 - B it O u tp u t L a tc h 2 4 8 1 6 S e g m e n t D r iv e r O S C O S C T im in g G e n e r a to r K e y S c a n K e y D a ta M e m o ry (2 ´ 1 6 ) D a ta S e le c to r 8 1 2 4 D im m in...
