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EM78P458

EM78P458

EM78P458 and EM78P459 are 8-bit microprocessors designed and developed with low-power and high-speed CMOS technology. It is equipped with a 4K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). With its OTP-ROM feature, it is able to offer a convenient way of developing and verifying user’s programs. Moreover, user can take advantage of EMC Writer to easily program his development code.
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EM78P458 and EM78P459 are 8-bit microprocessors designed and developed with low-power and high-speed CMOS technology. It is equipped with a 4K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). With its OTP-ROM feature, it is able to offer a convenient way of developing and verifying user’s programs. Moreover, user can take advantage of EMC Writer to easily program his development code.
Features
  • Operating voltage range: 2.3V~5.5V
  • Operating temperature range: 0°C~70°C
  • Operating frequency range(base on 2 clocks):
    * Crystal mode: DC ~ 20MHz/2clks,5V; DC ~ 8MHz/2clks,3V
    * RC mode: DC ~ 4MHz/2clks,5V; DC ~ 4MHz/2clks,3V
  • Low power consumption:
    * Less than 1.5 mA at 5V/4MHz
    * Typically 15 μA, at 3V/32KHz
    * Typically 1 μA, during sleep mode
  • 4K x 13 bits on chip ROM
  • 84 x 8 bits on chip registers (SRAM)
  • 2 bi-directional I/O ports
  • 8 level stacks for subroutine nesting
  • 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and
  • overflow interrupt
  • 8-bit multichannel Analog-to-Digital Converter with 8-bit resolution
  • Dual Pulse Width Modulation (PWM ) with 10-bit resolution
  • One pair of comparators
  • Power-down (SLEEP) mode
  • Six available interruptions
    * TCC overflow interrupt
    * Input-port status changed interrupt (wake up from the sleep mode)
    * External interrupt
    * ADC completion interrupt
    * PWM period match completion
    * Comparator high interrupt
  • Programmable free running watchdog timer
  • 8 Programmable pull-down I/O pins
  • 7 programmable pull-high I/O pins
  • 8 programmable open-drain I/O pins
  • Two clocks per instruction cycle
  • Package types:
    * 18 pin DIP 300mil : EM78P458BP
    * 18 pin SOP 300mil : EM78P458BM
    * 20 pin DIP 300mil : EM78P458AP
    * 20 pin SOP 300mil : EM78P458AM
    * 24 pin skinny DIP 300mil : EM78P459AK
? ? ? 芯片手冊(cè)下載:
? ? ?EM78P458芯片數(shù)據(jù)手冊(cè)

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