com HT49C50 8-Bit Microcontroller Features · · · · · · · · · · · Operating voltage: 2.
2V~5.
2V 8 input lines 12 bidirectional I/O lines Two external interrupt input Two 8-bit programmable timer/event counter with PFD (programmable frequency divider) function LCD driver with 33 ´ 3 or 32 ´ 4 segments 4K ´ 15 program memory ROM 160 ´ 8 data memory RAM Real Time Clock (RTC) 8-bit prescaler for RTC Watchdog timer · · · · · · · · · · Buzzer output On-chip crystal and RC oscillator Halt function and wake-up feature reduce power consumption 6-level subroutine nesting Bit manipulation instruction 15-bit table read instruction Up to 1ms instruction cycle with 4MHz system clock 63 p...

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