HT46R005 データシートの表示（PDF） - Holtek Semiconductor

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HT46R005

Small Package 8-Bit OTP MCU

Holtek Semiconductor 

Features

CPU Features

· Operating voltage:

fSYS= 12MHz: 2.2V~5.5V

fSYS= 16MHz: 3.0V~5.5V

· Up to 0.33ms instruction cycle with 12MHz system

clock at VDD= 5V

· Sleep mode and wake-up functions to reduce

power consumption

· Oscillator types:

External high freuency Crystal -- HXT

External RC -- ERC

Internal RC -- HIRC

· Two operational modes: Normal, Sleep

· Fully integrated internal 4MHz, 8MHz and 12MHz

oscillator requires no external components

· OTP Program Memory: 0.5K´14

· RAM Data Memory: 32´8

· Watchdog Timer function

· LIRC oscillator function for watchdog timer

HT48R005/HT46R005

· All instructions executed in one or two instruction

cycles

· Table read instructions

· 63 powerful instructions

· 2-level subroutine nesting

· Bit manipulation instruction

· Low voltage reset function

· Wide range of available package types

Peripheral Features

· 6 bidirectional I/O lines

· 3 channel 12-bit ADC

· External interrupt input shared with an I/O line

· Single 8-bit programmable Timer/Event

Counter with overflow interrupt and prescaler

· Buzzer driving pair supported

· Package types: 10-pin MSOP

General Description

The HT46R005 and HT48R005 are a series of 8-bit high

performance, RISC architecture microcontrollers spe-

cifically designed for a wide range of applications. The

usual Holtek microcontroller features of low power con-

sumption, I/O flexibility, timer functions, oscillator op-

tions, power down and wake-up functions, watchdog

timer and low voltage reset, combine to provide devices

with a huge range of functional options while still main-

taining a high level of cost effectiveness. The fully inte-

grated system oscillator HIRC, which requires no

external components and which has three frequency

selections, opens up a huge range of new application

possibilities for these devices, some of which may in-

clude industrial control, consumer products, household

appliances subsystem controllers, etc.

Rev. 1.20

5

September 26, 2012

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