Holtek Semiconductor HT49RV3
The HT49RV3/HT49CV3 are 8-bit high performance single chip MCUs.| Part No. | HT49RV3 |
|---|---|
| Datasheet | HT49RV3 Download |
| Manufacturer |  Holtek Semiconductor |
| Description | VFD Type 8-Bit MCU |
| Buy | Stock & Price |
FEATURES
● Operating voltage:● Real Time Clock (RTC)
● 8-bit prescaler for RTC
● Watchdog Timer
● Buzzer output
● On-chip crystal, RC and 32768Hz crystal oscillator
● HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
● 17 bidirectional I/O lines (PA, PB, PC, PD)
● Two external interrupt inputs
● Two 16-bit programmable timer/event counters with PFD (programmable frequency divider) function
● One 8-bit Remote Control Timer (RMT), pin-shared consumption
● 6-level subroutine nesting
● Low voltage reset function
● Bit manipulation instruction
● 16-bit table read instruction
● Up to 0.5ms instruction cycle with 8MHz system clock
● 63 powerful instructions
● All instructions in 1 or 2 machine cycles
● 52-pin QFP package with PC7
● Single channel serial interface
● VFD driver with 11´11 segments (16-segment & 4-grid to 11-segment & 11-grid)
● 2K´16 program memory
● 96´8 data memory RAM
● Supports PFD for sound generation
GENERAL DESCRIPTION
Their single cycle instruction and 2-stage pipeline architecture make them suitable for high speed applications.
