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HT48RA1 Datasheet

  • HT48RA1

  • Remote Type 8-Bit MCU

  • 303.69KB

  • 39頁

  • HOLTEK

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HT48RA1/HT48CA1
Remote Type 8-Bit MCU
Features
路
Operating voltage: 2.0V~5.5V
路
23 bidirectional I/O lines (max.)
路
1 interrupt input shared with an I/O line
路
8-bit programmable timer/event counter with overflow
路
HALT function and wake-up feature reduce power
consumption
路
8-level subroutine nesting
路
Up to 1ms instruction cycle with 4MHz system clock at
interrupt and 8-stage prescaler (TMR0)
路
16-bit programmable timer/event counter and
V
DD
=3V
路
Bit manipulation instruction
路
16-bit table read instruction
路
63 powerful instructions
路
All instructions in one or two machine cycles
路
Low voltage reset function
路
28-pin SOP/SSOP(209mil) package
overflow interrupts (TMR1)
路
On-chip crystal and RC oscillator
路
Watchdog Timer
路
8K麓16 program memory
路
224麓8 data memory RAM
路
PFD supported
General Description
The HT48RA1/HT48CA1 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 HT48CA1 is fully pin and func-
tionally compatible with the OTP version HT48RA1 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. 1.00
1
June 25, 2004

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