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EM78458解密——EMC解密

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  EM78458 FEATURES
  Operating voltage range: 2.3V~5.5V
  Operating temperature range: 0°C~70°C(commercial)
  -40°C~85°C(industrial)
  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 mA, at 3V/32KHz
  * Typically 1 mA, during sleep mode
  4K ? 13 bits on chip ROM
  84 ? 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