HT48R02N Holtek Semiconductor, HT48R02N Datasheet

HT48R02N

Manufacturer Part Number

HT48R02N

Description

(HT4xR0xx) Small Package 8-Bit OTP MCU

Manufacturer

Holtek Semiconductor

Datasheet

1.HT48R02N.pdf (71 pages)

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Technical Document

Features

CPU Features

General Description

The Small Package MCUs are a series of 8-bit high per-

formance, RISC architecture microcontrollers specifi-

cally 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-

Rev.1.00

Application Note

Operating voltage:

Up to 0.33 s instruction cycle with 12MHz system

clock at V

Sleep mode and wake-up functions to reduce

power consumption

Oscillator types:

External high freuency Crystal -- HXT

External RC -- ERC

Internal RC -- HIRC

External low frequency crystal -- LXT

Three operational modes: Normal, Slow, Sleep

Fully integrated internal 4MHz, 8MHz and 12MHz

oscillator requires no external components

OTP Program Memory: 1K 15 ~ 2K 15

RAM Data Memory: 96 8

Watchdog Timer function

SYS

HA0075E MCU Reset and Oscillator Circuits Application Note

= 4MHz: 2.2V~5.5V

= 8MHz: 3.0V~5.5V

= 12MHz: 4.5V~5.5V

= 5V

Small Package 8-Bit OTP MCU

HT46R01B/02B/01N/02N

HT48R01B/02B/01N/02N

Peripheral Features

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.

LIRC oscillator function for watchdog timer

All instructions executed in one or two instruction

cycles

Table read instructions

63 powerful instructions

6-level subroutine nesting

Bit manipulation instruction

Low voltage reset function

10-pin MSOP, 16-pin NSOP package types

Up to 10 bidirectional I/O lines

4 channel 12-bit ADC

1 channel 8-bit PWM

External interrupt input shared with an I/O line

Two 8-bit programmable Timer/Event

Counter with overflow interrupt and prescaler

Time-Base function

Programmable Frequency Divider - PFD

December 15, 2009

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