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HT48RA3 Datasheet (PDF) - Holtek Semiconductor Inc

HT48RA3 Datasheet PDF - Holtek Semiconductor Inc
Part No. HT48RA3
Download  HT48RA3 Click to view

File Size   245.98 Kbytes
Page   36 Pages
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc
Description 8-Bit Remote Type OTP MCU

HT48RA3 Datasheet (PDF)

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HT48RA3 Datasheet PDF - Holtek Semiconductor Inc

Part No. HT48RA3
Download  HT48RA3 Click to view

File Size   245.98 Kbytes
Page   36 Pages
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc
Description 8-Bit Remote Type OTP MCU

HT48RA3 Datasheet (HTML) - Holtek Semiconductor Inc

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HT48RA3 Product details

General Description
The HT48RA3/HT48CA3 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The data ROM can be used to store remote control codes. The mask version HT48CA3 is fully pin and functionally compatible with the OTP version HT48RA3 device.

Features
• Operating voltage: 2.0V~5.5V
• 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 ROM (8Kx16 bitsx3 banks)
• 224x8 data memory RAM
• PFD supported
• HALT function and wake-up feature reduce power consumption
• 8-level subroutine nesting
• Up to 1μs instruction cycle with 4MHz system clock at VDD=3V
• Bit manipulation instruction
• 16-bit table read instruction
• 63 powerful instructions
• All instructions in one or two machine cycles
• Low voltage reset function
• 28-pin SOP/SSOP (209mil) package



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