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HT45R37

Holtek Semiconductor
Part Number HT45R37
Manufacturer Holtek Semiconductor
Description TinyPowerTM C/R-F Type 8-Bit OTP MCU
Published Dec 26, 2009
Detailed Description HT45R37 TinyPowerTM C/R-F Type 8-Bit OTP MCU Technical Document · Tools Information · FAQs · Application Note - HA0075E ...
Datasheet PDF File HT45R37 PDF File

HT45R37
HT45R37

Overview
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-pin DIP/SOP, 24/28-pin SKDIP/SOP/SSOP and 32-pin QFN packages General Description The HT45R37 is a TinyPowerTM C/R to F Type 8-bit high performance RISC architecture microcontroller.
As a C/R www.
DataSheet4U.
com to F type of MCU, the device can interface to 16 external C or R type sensors and convert their values to a frequency value for processing.
In addition its internal A/D converter allows the device to interface directly to analog signals and its integrated dual channel Pulse Width Modu...


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