Holtek Semiconductor HT48R70A-1
the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM - HA0004E HT48 & HT46 MCU UART Software Implementation Method - HA0013E HT48 & HT46 LCM Interface Design - HA0021E Using the I/O Ports on the HT48 MCU Series - HA0055E 2^12 Decoder (8+4 - Corresponds to HT12E) Features · Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Low voltage reset function · 56 bidirectional I/O lines (max.) · 1 interrupt input · 2´16-bit programmable timer/event counter and overflow interrupts · On-chip RC oscillator, external crystal and RC oscillator · 32768Hz crystal oscillator for timing purposes... The mask version HT48C70-1 is fully pin and functionally compatible with the OTP version HT48R70A-1 device. The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.
Holtek Semiconductor
