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.
●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
