HT48R53

HT48R52/HT48R53 I/O Type 8-Bit MCU Technical Document · Tools Information · FAQs · Application Note - HA0002E HA0007E HA0011E HA0019E HA0020E Reading Larger than Usual MCU Tables Using the MCU Look Up Table Instructions HT48 & HT46 Keyboard Scan Program Using the Watchdog Timer in the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series www.DataSheet4U.com Features · Operating voltage: · External RC and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Program memory: HT48R52: 2k´14 HT48R53: 4k´15 · 88´8 data memory · 40 bidirectional I/O lines · One External interrupt input · One Internal interrupt · 8 bit programmable timer/event counter · 4-level subroutine nesting · Watchdog Timer (WDT) · Buzzer output · Low voltage reset (LVR) overflow · HALT function and wake-up feature reduce power consumption · 14-bit table read instructions for HT48R52 · 15-bit table read instructions for HT48R53 · 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 · 52-pin QFP package General Description These devices are 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control...