HT49C70-1 Datasheet PDF

Holtek Semiconductor HT49C70-1

the HT49 Series MCUs - HA0024E Using the RTC in the HT49 MCU Series - HA0025E Using the Time Base in the HT49 MCU Series - HA0026E Using the I/O Ports on the HT49 MCU Series - HA0027E Using the Timer/Event Counter in the HT49 MCU Series 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 lines · 16 bidirectional I/O lines · Two external interrupt input · One... The mask version HT49C70-1 and HT49C70L are fully pin and functionally compatible with the OTP version HT49R70A-1 device. The HT49C70L is a low voltage version, with the ability to operate at a minimum power supply of 1.2V, making it suitable for single cell battery applications.