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General Description

The HT49RV5/HT49CV5 are 8-bit high performance single chip MCUs. Their single cycle instruction and 2-stage pipeline architecture make them suitable for high speed applications. As the devices include an VFD driver they are suitable for use in products which require a front panel for their operation such as DVDs, VCDs, Mini-component audio systems, cassette decks, tuners, CD players, other home appliances, etc.

Features

? Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V

? 20 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 with PC7

? Single channel serial interface

? VFD driver with 1111 segments (16-segment & 4-grid to 11-segment & 11-grid)

? 4K16 program memory

? 1928 data memory RAM

? Supports PFD for sound generation

? 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 consumption

? 8-level subroutine nesting

? 4-channel 8-bit resolution A/D converter

? 2-channel 8-bit PWM output shared with 2 I/O lines

? Low voltage reset function

? Bit manipulation instruction

? 16-bit table read instruction

? Up to 0.5s instruction cycle with 8MHz system clock

? 63 powerful instructions

? All instructions in 1 or 2 machine cycles

? 56-pin SSOP package