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General Description

The HT48RA0-1/HT48CA0-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications. The mask version HT48CA0-1 is fully pin and functionally compatible with the OTP version HT48RA0-1 device.

The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, 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 possibilities such as industrial control, consumer products, and particularly suitable for use in products such as infrared remote controllers and various subsystem controllers.

Features

? Operating voltage: 2.0V~3.6V

? 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 X 14 program memory

? 32 X 8 data RAM

? HALT function and wake-up feature reduce power consumption

? 62 powerful instructions

? Up to 1μs 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

? Low voltage reset function

? 24-pin SOP/SSOP packages