HT1350 datasheet(1/6 Pages) HOLTEK

Part #	HT1350

Description	Step Counter

PDF	6 Pages

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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HT1350

Step Counter

Block Diagram

1

June 28, 1999

Features

·

Operating voltage: 1.5V

·

Auto walking or jogging detection

·

Step number/mileage/kilometer/calorie

display

·

LCD display

·

An oscillator with 32kHz

·

Few external components

·

Low power consumption

·

An LCD with 1/3 duty, 1/2 bias

General Description

The HT1350 is a step counter IC implemented

in the CMOS technology. It provides an LCD

with a whole course (kilometer/mile) as well as

the consumed calorie display.

The HT1350 consists of internal oscillator cir-

cuit, a step number/kilometer/mile/calorie step

counter, a voltage doubler, and an LCD display

multiplexer.

The IC can automatically distinguish walking

from jogging, thus making appropriate calcula-

tions.

O s c i l l at or

VD D

V S S

P r e sca l e r

M u l t ip le x e r C i r c u i t

C P 1 C P 2 C P 3

C OM 1 C OM 2 C OM 3

O U T 4

O U T 1 7

OS C 2

OS C 1

St e p Pu l s e

G ene r a t o r

Au t o - D e t e c t

Ci r c u i t

(J og/ W a l k )

ST EP

WA L K / R U N

AU T O / M A N U

M ode

Sw i t c h

MO D E

St e p

C ount e r

Mi l e

C ount e r

Km

C ount e r

Ca l e s

C ount e r

Lev el S hi f t

Ci r c u i t

TE S T 1

TE S T 3

RE S E T

TE S T 2

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HT1350 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc

HT1350 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc

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