HT48R0AA-1
Cost-Effective I/O Type 8-Bit OTP MCU
Technical Document
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Features
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Operating voltage:
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Buzzer driving pair and PFD supported
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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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23 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
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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15-bit table read instruction
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4-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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24/28-pin SKDIP/SOP package
overflow interrupt and 8-stage prescaler
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8-bit programmable timer/event counter and
overflow interrupt
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External crystal and RC oscillator
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Watchdog Timer
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4096´15 Program memory ROM
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128´8 Data memory RAM
General Description
The HT48R0AA-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 configuration 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 prod-
ucts, subsystem controllers, etc.
Rev. 1.10
1
July 27, 2007
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
