HT45R37 mcu equivalent, tinypowertm c/r-f type 8-bit otp mcu.
* Operating voltage:
* Dual Serial Interfaces: SPI and I2C
* 4 operating modes: normal, slow, idle and sleep
* 6-level subroutine nesting
* 6-channel .
The usual Holtek MCU features such as power down and wake-up functions, oscillator options, programmable frequency divi.
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