HT47R20A-1 Datasheet (Holtek Semiconductor)

HT47R20A-1, R-F Type 8-Bit MCU

The HT47R20A-1/HT47C20-1 are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for applications that interface directly to analog signals, such as those from sensors.

The mask version HT47C20-1 is fully pin and functionally compatible with the OTP version HT47R

HT47R20A-1 Features

* Operating voltage: 2.2V~5.5V

* Eight bidirectional I/O lines

* Four input lines

* One interrupt input

* One 16-bit programmable timer/event counter with

* One low voltage reset circuit

* One buzzer output

* HALT function and wake-up feature reduce power consumption