General Description ET8656 is an 8bit microprocessor with lowpower and highspeed CMOS technology. Integrated into a s...
General Description ET8656 is an 8bit microprocessor with lowpower and highspeed
CMOS technology. Integrated into a single chip are onchip watchdog timer (WDT), RAM, ROM, real time clock/counter, external and interrupt, power down mode, and tri state I/O.
Features
Operating
voltage range: 2.3V~5.5V Operating temperature range: 0℃~70℃ Operating frequency rang (base on 2 clocks ): Crystal mode: DC~20MHz (5V), DC~8MHz (3V), DC~4MHz (2.3V) ERC mode: DC~4MHz (5V), DC~4MHz (3V), DC~4MHz (2.3V) Low power consumption: Less than 2.0 mA at 5V/4MHz Typically 15 µA at 3V/32KHz Typically 1 µA during sleep mode 1K×13 bit on chip ROM One configuration register to accommodate user’s requirements 48×8 bits on chip registers (SRAM, general purpose register) 2 bidirectional I/O ports 5 level stacks for subroutine nesting 8bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt Two clock per instruction cycle Power down (SLEEP mode ) Three available interruptions TCC overflow interrupt Inputport status changed interrupt (wake up from sleep mode) External interrupt Programmable free running watchdog timer 8 programmable pullhigh pins 7 programmable pulldown pins 8 programmable opendrain pins 2 programmable Roption pins 99.9% single instruction cycle commands The transient point of system frequency between HXT and LXT is around 400KHz Package: ...