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
