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HT48RA5 参数 Datasheet PDF下载

HT48RA5图片预览
型号: HT48RA5
PDF下载: 下载PDF文件 查看货源
内容描述: 遥控型8位MCU [Remote Type 8-Bit MCU]
分类和应用: 遥控
文件页数/大小: 38 页 / 257 K
品牌: HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
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HT48RA5/HT48CA5
Remote Type 8-Bit MCU
Technical Document
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Features
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Operating voltage: 2.0V~5.5V
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23 bidirectional I/O lines (max.)
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1 interrupt input shared with an I/O line
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8-bit programmable timer/event counter with
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HALT function and wake-up feature reduce power
consumption
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8-level subroutine nesting
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Up to 1ms instruction cycle with 4MHz system clock at
overflow interrupt and 8-stage prescaler (TMR0)
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16-bit programmable timer/event counter and
V
DD
=3V
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Bit manipulation instruction
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16-bit table read instruction
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63 powerful instructions
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All instructions in one or two machine cycles
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Low voltage reset function
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28-pin SOP/SSOP (209mil) package
overflow interrupts (TMR1)
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On-chip crystal and RC oscillator
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Watchdog Timer
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40K´16 program memory (8K´16 bits´5 banks)
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224´8 data memory RAM
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PFD supported
General Description
The HT48RA5/HT48CA5 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 HT48CA5 is fully pin and func-
tionally compatible with the OTP version HT48RA5 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).
Rev. 1.40
1
May 22, 2009