HT48R07A-1
Cost-Effective I/O Type 8-Bit MCU
Technical Document
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Features
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Operating voltage:
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HALT function and wake-up feature reduce power
f
SYS
=4MHz: 2.2V~5.5V
f
SYS
=8MHz: 3.3V~5.5V
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19 bidirectional I/O lines
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An interrupt input shared with an I/O line
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8-bit programmable timer/event counter with over-
consumption
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Up to 0.5ms instruction cycle with 8MHz system clock
at V
DD
=5V
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All instructions in one or two machine cycles
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14-bit table read instruction
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Two-level subroutine nesting
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Bit manipulation instruction
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63 powerful instructions
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Low voltage reset function
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24-pin SKDIP/SOP/SSOP package
flow interrupt and 8-stage prescaler
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On-chip crystal and RC oscillator
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Watchdog Timer
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1024´14 program memory ROM
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64´8 Data memory RAM
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Buzzer driving pair and PFD supported
General Description
The HT48R07A-1 is an 8-bit high performance, RISC
architecture microcontroller devices specifically de-
signed for cost-effective multiple I/O control product ap-
plications.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, oscillator options, HALT and
wake-up functions, Watchdog Timer, buzzer driver, as
well as low cost, enhance the versatility of these devices
to suit a wide range of application possibilities such as
industrial control, consumer products, subsystem con-
trollers, etc.
Rev. 1.00
1
March 13, 2006
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
