General Description

The HT46R12A 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.

特性 Features

? Operating voltage:

fSYS= 4MHz: 2.2V~5.5V

fSYS= 8MHz: 3.3V~5.5V

? 17 bidirectional I/O lines

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

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

? Integrated crystal and RC oscillator

? Watchdog Timer

? 2048 X 14 program memory

? 88 X 8 data memory RAM

? PFD for audio generation

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

? Up to 0.5μs instruction cycle with 8MHz system clock at VDD= 5V

? 8-level subroutine nesting

? 4 channel 9-bit resolution A/D converter

? Two comparators with interrupt function

? Bit manipulation instruction

? 14-bit table read instruction

? 63 powerful instructions

? Instructions executed in one or two machine cycles

? Low voltage reset function

? 24-pin SKDIP/SOP package types available