HT48R54A

HT48R54A I/O Type 8-Bit OTP MCU with 16´16 High Current LED Driver Technical Document · Tools Information · FAQs · Application Note - HA0002E HA0007E HA0019E HA0020E HA0075E Reading Larger than Usual MCU Tables Using the MCU Look Up Table Instructions Using the Watchdog Timer in the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series MCU Reset and Oscillator Circuits Application Note www.DataSheet4U.com Features · Operating voltage: · RC/XTAL and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC/XTAL and 32768Hz clock fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 4k´15 program memory ROM · 192´8 data memory RAM · 16 bidirectional I/O lines · 24 output lines · One external interrupt input · Two internal interrupt · Two 8 bit programmable timer/event counter · 32768 Real Time Clock function · 6-level subroutine nesting · Watchdog Timer (WDT) · Low voltage reset (LVR) · PFD/Buzzer driver output active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer overflow · HALT function and wake-up feature reduce power consumption · 15-bit table read instructions · 63 powerful instructions · One instruction cycle: 4 system clock periods · All instructions in 1 or 2 instruction cycles · Bit manipulation instructions · Up to 0.5ms instruction cycle with 8MHz system clock · 44/52-pin QFP package General Description This device is an 8-bit high performance, RISC archi...