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HT48RA3 数据表(PDF) 1 Page - Holtek Semiconductor Inc |
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HT48RA3 数据表(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 38 page  HT48RA3/HT48CA3 Remote Type 8-Bit MCU Rev. 1.30 1 October 12, 2007 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 func- tionally compatible with the OTP version HT48RA3 de- vice. The advantages of low power consumption, I/O flexibil- ity, timer functions, oscillator options, watchdog timer, programmable frequency divider, HALT and wake-up functions, as well as low cost, enhance the versatility of these devices to suit a wide range of application possi- bilities such as industrial control, consumer products, subsystem controllers, and particularly suitable for use in products such as universal remote controller (URC). 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 over- flow interrupts (TMR1) · On-chip crystal and RC oscillator · Watchdog Timer · 24K´16 program memory ROM (8K´16 bits´3 banks) · 224´8 data memory RAM · PFD supported · HALT function and wake-up feature reduce power consumption · 8-level subroutine nesting · Up to 1ms 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 Technical Document · Tools Information · FAQs · Application Note - HA0016E Writing and Reading to the HT24 EEPROM with the HT48 MCU Series - HA0018E Controlling the HT1621 LCD Controller with the HT48 MCU Series - HA0041E Using the HT48CA0 to Generate the HT6221 Output Signals - HA0075E MCU Reset and Oscillator Circuits Application Note - HA0076E HT48RAx/HT48CAx Software Application Note - HA0082E HT48xA0-1 and HT48xA0-2 Power-on Reset Timing |
类似零件编号 - HT48RA3 |
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类似说明 - HT48RA3 |
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