HT46R49 Holtek Semiconductor, HT46R49 Datasheet

HT46R49

Manufacturer Part Number

HT46R49

Description

Cost-Effective A/D Type 8-Bit MCU

Manufacturer

Holtek Semiconductor

Datasheet

1.HT46R49.pdf (77 pages)

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H&T Electronics

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HT46R49

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Technical Document

Features

General Description

The Cost-Effective A/D Type MCU Devices are a series

of 8-bit high performance RISC architecture

microcontrollers, designed especially for applications

that interface directly to analog signals, such as those

from sensors. All devices include an integrated

multi-channel Analog to Digital Converter in addition to

one or two Pulse Width Modulation outputs. The usual

Holtek MCU features such as power down and wake-up

functions, oscillator options, programmable frequency

divider, etc. combine to ensure user applications require

a minimum of external components.

Rev. 1.30

Tools Information

FAQs

Application Note

Operating voltage:

13 to 23 bidirectional I/O lines

External interrupt input shared with an I/O line

8-bit programmable Timer/Event Counter with over-

flow interrupt and 7-stage prescaler

On-chip crystal and RC oscillator

Watchdog Timer function

PFD for audio frequency generation

Power down and wake-up functions to reduce power

consumption

SYS

HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM

HA0049E Read and Write Control of the HT1380

HA0051E Li Battery Charger Demo Board - Using the HT46R47

HA0052E Microcontroller Application - Battery Charger

HA0075E MCU Reset and Oscillator Circuits Application Note

HA0083E Li Battery Charger Demo Board - Using the HT46R46

=4MHz: 2.2V~5.5V

=8MHz: 3.3V~5.5V

HT46R46/C46/R47/C47/R48A/C48A/R49

Cost-Effective A/D Type 8-Bit MCU

The benefits of integrated A/D and PWM functions, in

addition to low power consumption, high performance,

I/O flexibility and low-cost, provide these devices with

the versatility to suit a wide range of application possibil-

ities such as sensor signal processing, motor driving, in-

dustrial control, consumer products, subsystem

controllers, etc. Many features are common to all de-

vices, however, they differ in areas such as I/O pin

count, Program Memory capacity, A/D resolution, stack

capacity and package types.

Up to 0.5 s instruction cycle with 8MHz system clock

at V

4 or 6-level subroutine nesting

4 channels 8 or 9-bit resolution A/D converter

1 or 2 channel 8-bit PWM output shared with I/O lines

Bit manipulation instruction

Table read instructions

63 powerful instructions

All instructions executed in one or two machine

cycles

Low voltage reset function

Range of packaging types

=5V

June 5, 2008

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