HT48RA0-3/HT48CA0-3
Remote Type 8-Bit MCU
Technical Document
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Tools Information
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FAQs
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Application Note
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HA0016E Writing and Reading to the HT24 EEPROM with the HT48 MCU Series
HA0018E Controlling the HT1621 LCD Controller with the HT48 MCU Series
HA0041E Using the HT48CA0 to Generate the HT6221 Output Signals
HA0075E MCU Reset and Oscillator Circuits Application Note
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HA0076E HT48RAx/HT48CAx Software Application Note
HA0082E HT48xA0-1 and HT48xA0-2 Power-on Reset Timing
Features
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Power-down and wake-up features reduce power
consumption
Operating voltage: fSYS=4MHz(±3%) at 2.0V~3.6V,
Temperature = 0°C ~ +50°C
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62 powerful instructions
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10 bidirectional I/O lines
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Up to 1ms instruction cycle with 4MHz system clock
All instructions executed in 1 or 2 machine cycles
14-bit table read instructions
6 Schmitt trigger input lines
(PB7 without Pull-high resistor)
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One programmable carrier output - using 9-bit timer
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On-chip RC oscillator - 4MHz ±3% when
One-level subroutine nesting
VDD=2.0V~3.6V; Temperature = 0°C ~ +50°C
Bit manipulation instructions
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Watchdog Timer
Low voltage reset function
1K´14 program memory
32´8 data RAM
20-pin SOP/SSOP package
General Description
The HT48RA0-3/HT48CA0-3 are 8-bit high perfor-
mance, RISC architecture microcontroller devices spe-
cifically designed for multiple I/O control product
applications. The mask version HT48CA0-3 is fully pin
and functionally compatible with the OTP version
HT48RA0-3 device.
The advantages of low power consumption, I/O flexibil-
ity, timer functions, watchdog timer, HALT and wake-up
functions, as well as low cost, enhance the versatility of
this device to suit a wide range of application possibili-
ties such as industrial control, consumer products, and
particularly suitable for use in products such as infrared
remote controllers and various subsystem controllers.
Rev.1.10
1
October 12, 2007