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EM78P447N

EM78P447N

EM78P447N is an 8-bit microprocessor with low-power and high-speed CMOS technology and high noise immunity. It has a built-in 4K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides three protection bits to prevent intrusion of user's OTP memory code. Seven option bits are also available to meet user's requirements.

With its enhanced OTP-ROM features, the EM78P447N provides a convenient way of developing and verifying user's programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development and programming tools. User can avail of the ELAN Writer to easily program his development code.
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EM78P447N is an 8-bit microprocessor with low-power and high-speed CMOS technology and high noise immunity. It has a built-in 4K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides three protection bits to prevent intrusion of user's OTP memory code. Seven option bits are also available to meet user's requirements.

With its enhanced OTP-ROM features, the EM78P447N provides a convenient way of developing and verifying user's programs. Moreover, this OTP device offers the advantages of easy and effective program updates, using development and programming tools. User can avail of the ELAN Writer to easily program his development code.
Features
  • Operating voltage: 2.5V ~ 5.5V
  • Operating temperature: -40°C ~ 85°C
  • Operating frequency range (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 than 2.2 mA at 5V/4MHz?
    * 35 μA Typical at 3V/32KHz?
    * 2 μA Typical, during sleep mode
  • 4K x 13 bits on-chip ROM
  • One security register to prevent intrusion of OTP memory codes
  • One configuration register to accommodate user's requirements
  • 148 x 8 bits on-chip registers (SRAM, general purpose register)
  • 3 bidirectional 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 interrupts?
    * 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:?
    * 24-pin Skinny DIP 300 mil : EM78P447NCK?
    * 24-pin SOP 300 mil : EM78P447NCM?
    * 28-pin DIP 600 mil : EM78P447NAP?
    * 28-pin DIP 600 mil : EM78P447NEP?
    * 28-pin Skinny DIP 400 mil : EM78P447NGK?
    * 28-pin SOP 300 mil : EM78P447NAM?
    * 28-pin SSOP 209 mil : EM78P447NAS?
    * 32-pin DIP 600 mil : EM78P447NBP?
    * 32-pin SOP 450 mil : EM78P447NBWM?
    * 32-pin SOP 300 mil : EM78P447NBM?
    * 32-pin Skinny DIP 400 mil : EM78P447NBK
  • Single instruction cycle commands
  • Transient point of system frequency between HXT and LXT is 400KHz?
? ? ? 芯片資料下載:
? ? ?EM78P447N芯片手冊

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