HT16514-002 Ver la hoja de datos (PDF) - Holtek Semiconductor

Número de pieza

componentes Descripción

Fabricante

HT16514-002

Dot Character VFD Controller & Driver

Holtek Semiconductor 

HT16514

Pin Name I/O

Description

Clear signal for extension digit driver, active low.

CL

O The digit data stored in the latch register of the extension driver are output when this signal is

²Hi², if this signal is ²Low², extension driver outputs are ²Low².

LE

O Latch enable signal for extension digit driver.

Output Pins

G1~G24

O High-voltage output, grid output pins.

S1~S80

O High-voltage output, segment output pins.

Power System

VDD

¾ Pins for logic circuit

LGND

¾ LGND is ground pin for logic circuit

VH

¾ Power supply pins for VFD driver circuit

PGND

¾ PGND is ground pin for VFD driver circuit

Table 1-1. Duty Ratio Setting

DS0

DS1

0

0

0

1

1

0

1

1

Note: * When setting to 1/40 duty mode, use the external extension grid driver.

Table 1-2. Segment Setting: 2 Line Display (N=1)

RL1

RL2

0

0

0

1

1

0

1

1

Duty Ratio

1/16 (# of grid = 16)

1/24 (# of grid = 24)

1/20 (# of grid = 20)

1/40 (# of grid = 40)*

Table No.

Table 1-3

Table 1-4

Table 1-5

Table 1-6

Rev. 1.00

4

October 4, 2006

Share Link: