供应单片机EM78P447NAMJ

EM78P447NAMJ描述

 Operating voltage range: 2.5V~5.5V. • Operating temperature range: -40
°
C~85
°
C. • Operating frequency rang( base on 2 clocks) * Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.5V. * RC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.5V. • Low power consumption: * Less then 2.2 mA at 5V/4MHz * Typically 35 
μ
A, at 3V/32KHz * Typically 2 
μ
A, during sleep mode • 4K 
×
 13 bits on chip ROM  • Three protection bits to prevent intrusion of OTP memory codes • One configuration register to accommodate user’s requirements • 148
×
 8 bits on chip registers(SRAM, general purpose register) • 3 bi-directional I/O ports  • 5 level stacks for subroutine nesting • 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt • Two clocks per instruction cycle • Power down (SLEEP) mode • Two available interruptions * TCC overflow interrupt * External interrupt • Programmable free running watchdog timer • 10 programmable pull-high pins • 2 programmable open-drain pins • 2 programmable R-option pins • Package types:  * 28 pin DIP 600mil: EM78P447NAP * 28 pin SOP 300mil : EM78P447NAM * 28 pin SSOP 209mil: EM78P447NAS * 32 pin DIP 600mil: EM78P447NBP