HT48RA0
8-Bit Microcontroller
Features
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Operating voltage: 2.9V~5.2V
Ten bidirectional I/O lines
Six schmitt trigger input lines
One carrier output (1/2 or 1/3 duty)
On-chip crystal and RC oscillator
Watchdog timer
1K麓14 program EPROM
32麓8 data RAM
Low voltage reset function
Halt function and wake-up feature reduce
power consumption
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62 powerful instructions
Up to 1ms instruction cycle with 4MHz
system clock
All instructions in 1 or 2 machine cycles
14-bit table read instructions
One-level subroutine nesting
Bit manipulation instructions
20-pin DIP-A/SOP-A package
24-pin SOP-A package
General Description
The HT48RA0 is an 8-bit high performance
RISC-like microcontroller specifically designed
for multiple I/O product applications. The de-
vice is particularly suitable for use in products
such as remote controllers, fan/light control-
lers, washing machine controllers, scales, toys
and various subsystem controllers. A halt fea-
ture is included to reduce power consumption.
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October 27, 1999
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