External dual edge triggered interrupt input shared with I/O line.
Single 8-bit programmable Timer/Event Counters with overflow interrupt.
RC/XTAL and 32768Hz crystal oscillators.
Dual clock system offers three operating modes - Normal mode: Both RC/XTAL and 32768Hz clock active - Slow mode: 32768Hz clock only - Power-down mode can have periodica.
📁 Related Datasheet
HT46R22 - 8-Bit A/D Type MCU (Holtek Semiconductor Inc)
HT46R221 - 8-Bit A/D Type MCU (Holtek Semiconductor Inc)