HT45R37

HT45R37 TinyPowerTM C/R-F Type 8-Bit OTP MCU Technical Document · Tools Information · FAQs · Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · Dual Serial Interfaces: SPI and I2C · 4 operating modes: normal, slow, idle and sleep · 6-level subroutine nesting · 6-channel 12-bit resolution A/D converter · 2-channel 12-bit PWM output shared with I/O line · Low voltage reset function - 2.1V, 3.15V, 4.2V · Low voltage detect function - 2.2V, 3.3V, 4.4V · Bit manipulation instruction · 15-Bit table read instructions · 63 powerful instructions · Up to 0.33ms instruction cycle with 12MHz system fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.0V~5.5V fSYS=12MHz: 4.5V~5.5V · OTP Program Memory: 4K´15 · RAM Data Memory: 160´8 · 27 bidirectional I/O lines · Three external interrupt input shared with I/O lines · Two 8-bit programmable Timer/Event Counter with overflow interrupt and 7-stage prescaler · External C/R to F converter · 16-Channel Capacitor/Resistor sensor inputs · Integrated Crystal, IRC, ERC and RTC oscillator · Fully integrated internal RC oscillator available with clock at VDD=5V · All instructions executed in one or two machine cycles · Idle/Sleep mode and wake-up functions to reduce three frequencies: 4MHz, 8MHz or 12MHz · Watchdog Timer function · LIRC or RTC oscillator function for watchdog timer · PFD and Buzzer for audio frequency generation power consumption · Time-Base and RTC interrupt · 20...