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HT48RA-1, HT48RA1 28SOP, HT48RA3

Table of contents:
Info of HT48RA-1
Info of HT48RA1 28SOP
Info of HT48RA3

HT48RA-1, HT48RA1 28SOP, HT48RA3 Selling Leads, Datasheet

MFG:HOLTEK Package Cooled:SMD/DIP D/C:2009

HT48RA-1, HT48RA1 28SOP, HT48RA3 Picture

HT48RA-1, HT48RA1 28SOP, HT48RA3 Datasheet download

Five Points

Part Number: HT48RA-1

MFG: HOLTEK

Package Cooled: SMD/DIP

D/C: 2009

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HT48RA3 General Description

This device is an 8-bit high performance RISC-like MCU designed for multiple I/O product applications. The device is particularly suitable for use in products such as universal remote controller (URC). A HALT feature is included to reduce power consumption. The data ROM can be used to store codes of remote control.

HT48RA3 Maximum Ratings

Supply Voltage .........................V_SS-0.3V to V_SS+5.5V
Input Voltage............................V_SS-0.3V to V_DD+0.3V
Storage Temperature .......................... -50 to 125
Operating Temperature...........................-40 to 85

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.

HT48RA3 Features

` Operating voltage: 2.2V~3.6V
` 23 bidirectional I/O lines (max.)
` 1 interrupt input shared with an I/O line
` 8-bit programmable timer/event counter with overflow interrupt and 8-stage prescaler (TMR0)
` 16-bit programmable timer/event counter and overflow interrupts (TMR1)
` On-chip crystal and RC oscillator
` Watchdog Timer
` 24Kx16 program memory EPROM (8Kx16 bitsx3 banks)
` 224x8 data memory RAM
` PFD supported
` HALT function and wake-up feature reduce power consumption
` 8-level subroutine nesting
` Up to 1s instruction cycle with 4MHz system clock at V_DD=3V
` Bit manipulation instruction
` 16-bit table read instruction
` 63 powerful instructions
` All instructions in one or two machine cycles
` 28-pin SKDIP/SOP package

HT48RA3 Connection Diagram

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