HT49RU80 Datasheet (Holtek Semiconductor)

HT49RU80, LCD Type 8-Bit MCU

These devices are 8-bit, high performance, RISC architecture microcontrollers specifically designed for a wide range of LCD applications.

The mask version, the HT49CU80, is fully pin and functionally compatible with the OTP version HT49RU80 device.

The advantages of low power consumption, I/O flexib

HT49RU80 Features

* Operating voltage:

* Buzzer output

* On-chip crystal, RC and 32768Hz crystal oscillator

* HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V

* 8 input lines and 7 output lines

* 16 bidirectional I/O lines

* Two external interrupt i