HT46R14A Datasheet PDF - Holtek

●General Description

●The HT46R14A is an 8-bit, high performance, RISC architecture microcontroller devices specifically designed

●for A/D applications that interface directly to analog signals, such as those from sensors.

●Features

●Operating voltage:

●  fSYS= 4MHz: 2.2V~5.5V

●  fSYS= 8MHz: 3.3V~5.5V

●21 bidirectional I/O lines

●Three interrupt input shared with an I/O line

●Two 8-bit programmable timer/event counters with overflow interrupt and 7-stage prescaler

●Two 8-bit programmable pulse generator - PPG output channel with prescaler and 8-bit programmable timer counter, supporting both active low or active high output

●Two comparator

●409615 program memory

●1928 data memory RAM

●Integrated crystal and RC oscillator

●Watchdog Timer

●PFD for audio generation

●Power-down and wake-up functions for reduced power consumption

●Up to 0.5s instruction cycle with 8MHz system clock at VDD=5V

●8-level subroutine nesting

●8 channel 9-bit resolution A/D converter

●Two comparators with interrupt function

●Bit manipulation instruction

●15-bit table read instruction

●63 powerful instructions

●Instructions executed in one or two machine cycles

●Low voltage reset function

●28-pin SKDIP/SOP packages