HT49R70A-1 Datasheet (Holtek Semiconductor)

HT49R70A-1, LCD Type 8-Bit MCU

The HT49R70A-1/HT49C70-1/HT49C70L are 8-bit, high performance, RISC architecture microcontroller devices specifically designed for a wide range of LCD applications.

The mask version HT49C70-1 and HT49C70L are fully pin and functionally compatible with the OTP version HT49R70A-1 device.

The HT49C70L

HT49R70A-1 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 for HT49R70A-1/HT49C70-1 fSYS=8MHz: 3.3V~5.5V for HT49R70A-1/HT49C70-1 fSYS=500kHz: 1.2V~2.2V for HT49C70L

* 8 input li