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EM78P143

The EM78P143 is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. It has an on-chip 2K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides a protection bit to prevent intrusion of user's code. Three Code option words are also available to meet user's requirements.
With its enhanced OTP-ROM feature, the EM78P143 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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The EM78P143 is an 8-bit microprocessor designed and developed with low-power and high-speed CMOS technology. It has an on-chip 2K x 13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). It provides a protection bit to prevent intrusion of user's code. Three Code option words are also available to meet user's requirements.
With its enhanced OTP-ROM feature, the EM78P143 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
  • CPU configuration
  • 2K x 13 bits on-chip ROM
  • 80 x 8 bits on-chip registers (SRAM)
  • 8-level stacks for subroutine nesting?
  • 4 programmable level voltage detector(LVD) : 4.5V, 4.0V, 3.3V, 2.2V
  • 3 programmable level voltage reset(LVR) : 4.0V, 3.5V, 2.7V
  • Less than 1.5 mA at 5V / 4 MHz
  • Typically 15 mA, at 3V / 32kHz
  • Typically 2 mA, during Sleep mode
  • I/O port configuration
  • 1 bidirectional I/O ports
  • Wake-up port : P5
  • 7 Programmable pull-down I/O pins
  • 7 programmable pull-high I/O pins
  • 7 programmable open-drain I/O pins
  • External interrupt : P52
  • Operating voltage range
  • Operating voltage: 2.1V~5.5V (Commercial)
  • Operating temperature: 0°C ~70°C (Commercial)
  • Operating frequency range
  • Crystal mode:

DC~16 MHz / 2clks @ 4.5V

DC~8 MHz / 2clks @ 3V

DC~4 MHz / 2clks @ 2.1V

  • ERC mode:?

DC~16 MHz / 2clks @ 4.5V

DC~12 MHz / 2clks @ 4V

DC~4 MHz / 2clks @ 2.1V

  • IRC mode:

Oscillation mode : 4 MHz, 8 MHz, 16 MHz, 455kHz

Internal RC Frequency Drift Rate
Temperature(0°C~70°C) Voltage (2.3V ~5.5V) Process Total
4 MHz ± 3% ± 5% ± 3% ± 11%
8 MHz ± 3% ± 5% ± 3% ± 11%
16 MHz ± 3% ± 5% ± 3% ± 11%
455kHz ± 3% ± 5% ± 3% ± 11%

All the four main frequencies can be trimmed by programming with four calibrated bits in the ICE143 Simulator. OTP is auto trimmed by ELAN Writer.

  • Peripheral configuration
  • 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
  • 7-channel Analog-to-Digital Converter with 10-bit resolution in Vref mode
  • Two Pulse Width Modulation (PWM) with 8-bit resolution, each provides 8-bit real time clock / counter function and supports 16-bit cascaded mode from these two independent ones
  • One pair of comparators
  • (offset voltage : 5mV , max offset voltage : 10mV)
  • Power-down (Sleep) mode
  • High EFT immunity
  • Seven available interrupts:?
  • TCC overflow interrupt
  • Input-port status changed interrupt (wake-up from sleep mode)
  • External interrupt?
  • ADC completion interrupt
  • PWM period match completion
  • Comparators status change interrupt
  • Low voltage detector interrupt
  • Programmable free running Watchdog Timer
  • Two clocks per instruction cycle
  • Watchdog timer 16.5ms ± 30% in Vdd = 5V at 25°C (WDTPS=1 in Option pin)
  • Watchdog timer 18ms ± 30% in Vdd = 3V at 25°C (WDTPS=1 in Option pin)
  • Watchdog timer 4.2ms ± 30% in Vdd = 5V at 25°C (WDTPS=0 in Option pin)
  • Watchdog timer 4.5ms ± 30% in Vdd = 3V at 25°C (WDTPS=0 in Option pin)
  • Package type:
  • 10-pin MSOP 118 mil : EM78P143MS10J

Note: Green products do not contain hazardous substances.

? ? ? 芯片手冊下載:
? ? ?EM78P143芯片數據手冊

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