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HT48R54A 数据表(PDF) 1 Page - Holtek Semiconductor Inc |
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HT48R54A 数据表(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 40 page  HT48R54A I/O Type 8-Bit OTP MCU with 16´16 High Current LED Driver Rev. 1.00 1 July 27, 2007 General Description This device is an 8-bit high performance, RISC architec- ture microcontroller specifically designed for multiple I/O control product applications. The advantages of low power consumption, I/O flexibility, timer functions, oscil- lator options, HALT and wake-up functions, watchdog timer, 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, etc. Features · Operating voltage: fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 4k´15 program memory ROM · 192´8 data memory RAM · 16 bidirectional I/O lines · 24 output lines · One external interrupt input · Two internal interrupt · Two 8 bit programmable timer/event counter · 32768 Real Time Clock function · 6-level subroutine nesting · Watchdog Timer (WDT) · Low voltage reset (LVR) · PFD/Buzzer driver output · RC/XTAL and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC/XTAL and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer overflow · HALT function and wake-up feature reduce power consumption · 15-bit table read instructions · 63 powerful instructions · One instruction cycle: 4 system clock periods · All instructions in 1 or 2 instruction cycles · Bit manipulation instructions · Up to 0.5ms instruction cycle with 8MHz system clock · 44/52-pin QFP package Technical Document · Tools Information · FAQs · Application Note - HA0002E Reading Larger than Usual MCU Tables - HA0007E Using the MCU Look Up Table Instructions - HA0019E Using the Watchdog Timer in the HT48 MCU Series - HA0020E Using the Timer/Event Counter in the HT48 MCU Series - HA0075E MCU Reset and Oscillator Circuits Application Note |
类似零件编号 - HT48R54A |
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类似说明 - HT48R54A |
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