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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.
HT48RA0-1 Maximum Ratings
Supply Voltage ...........................VSS-0.3V to VSS+4.0V Storage Temperature ............................-50 to 125 Input Voltage.............................VSS-0.3V to VDD+0.3V Operating Temperature...........................-40 to 85 Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
HT48RA0-1 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 ·1K14 program memory ·328 data RAM ·HALT function and wake-up feature reduce power consumption ·62 powerful instructions ·Up to 1s 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