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14-lead packages : EM78P153S
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Operating voltage range : 2.3V~5.5V
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Available in temperature range: 0°C~70°C
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Operating frequency range (base on 2 clocks):
* Crystal mode: DC~20MHz at 5V, DC~8MHz at 3V, DC~4MHz at 2.3V.
* ERC mode: DC~4MHz at 5V, DC~4MHz at 3V, DC~4MHz at 2.3V.
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Low power consumption:
* less then 1.5 mA at 5V/4MHz
* typical of 15 μA, at 3V/32KHz
* typical of 1μA, during the sleep mode
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1024 x 13 bits on chip ROM
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Built-in calibrated IRC oscillators (8MHz, 4MHz, 1MHz, 455KHz )
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Programmable prescaler of oscillator set-up time
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One security register to prevent the code in the OTP memory from intruding
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One configuration register to match the user’s requirements
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32× 8 bits on chip registers (SRAM, general purpose register)
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2 bi-directional I/O ports
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5 level stacks for subroutine nesting
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8-bit real time clock/counter (TCC) with selective signal sources and trigger edges,
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and with overflow interrupt
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Power down mode (SLEEP mode)
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Three available interruptions
* TCC overflow interrupt
* Input-port status changed interrupt (wake up from the sleep mode)
* External interrupt
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Programmable free running watchdog timer
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7 programmable pull-high I/O pins
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7 programmable open-drain I/O pins
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6 programmable pull-down I/O pins
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Two clocks per instruction cycle
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Package type: 14 pins SOP, DIP
* 14 pin DIP 300mil: EM78P153SP
* 14 pin SOP 150mil: EM78P153SN
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The transient point of system frequency between HXT and LXT is around 400KHz.
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