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EM78F661N

EM78F661N

The EM78F661N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology and high noise immunity. It has an on-chip 1K×13-bit Electrical Flash Memory and 128×8-bit in-system programmable
EEPROM. It provides three protection bits to prevent intrusion of user's Flash memory code. Twelve Code option bits
are also available to meet user's requirements.
With its enhanced Flash-ROM features, the EM78F661N provides a convenient way of developing and verifying user's
programs. Moreover, this Flash-ROM device offers the advantages of easy and effective program updates, using development and programming tools. Users can avail of the ELAN Writer to easily program their development codes.
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The EM78F661N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology and high noise immunity. It has an on-chip 1K×13-bit Electrical Flash Memory and 128×8-bit in-system programmable
EEPROM. It provides three protection bits to prevent intrusion of user's Flash memory code. Twelve Code option bits
are also available to meet user's requirements.
With its enhanced Flash-ROM features, the EM78F661N provides a convenient way of developing and verifying user's
programs. Moreover, this Flash-ROM device offers the advantages of easy and effective program updates, using development and programming tools. Users can avail of the ELAN Writer to easily program their development codes.
Features
  • CPU configuration
  • 1K×13 bits on-chip Flash memory
  • 48×8 bits on-chip registers (SRAM)
  • 128 bytes in-system programmable EEPROM

                    *Endurance: 1,000,000 write/erase cycles

  • More than 10 years data retention
  • 8-level stacks for subroutine nesting
  • 3 programmable Level Voltage Reset LVR : 4.0V, 3.5V, 2.7V
  • Less than 1.5 mA at 5V / 4 MHz
  • Typically 20 μA, at 3V / 32kHz
  • Typically 1.5 μA, during sleep mode
  • I/O port configuration
  • 3 bidirectional I/O ports: P5, P6 and P8
  • 14 I/O pins
  • Wake-up port : P6
  • High sink port : P6
  • 6 programmable pull-high I/O pins
  • 5 programmable pull-down I/O pins
  • 6 programmable open-drain I/O pins
  • External interrupt with Wake-up : P60
  • Operating voltage range
  • 2.4V~5.5V at -40°C~85°C (Industrial)
  • 2.2V~5.5V at 0°C~70°C (Commercial)
  • Operating frequency range (base on two clocks)
  • Crystal mode : DC~16MHz @ 4.5V~5.5V ;

DC~8MHz @ 3V~5.5V ;

DC~4MHz @ 2.2V~5.5V

  • ERC mode : DC~16MHz @ 4.5V~5.5V ;

DC~8MHz @ 3V~5.5V ;

DC~4MHz @ 2.2V~5.5V

  • IRC mode : DC~16MHz @ 4.5V~5.5V ;

                    DC~4MHz @ 2.2V~5.5V

Internal RC 
Frequency 		Drift Rate
Temperature
(-40°C~85°C) 		Voltage
(2.4V~5.5V) 		Process Total
4 MHz ± 3% ± 5% ± 2.5% ± 10.5%
16 MHz ± 3% ± 5% ± 2.5% ± 10.5%
8 MHz ± 3% ± 5% ± 2.5% ± 10.5%
  • Six available interrupts
  • Internal interrupt : 3
  • External interrupt : 3
  • 6 channels Analog-to-Digital Converter with 10-bit resolution
  • One set of comparator Offset voltage: smaller than 5 mV
  • One 8-bit Timer/Counter
  • TC3 : Timer/Counter/PDO (programmable divider output)/PWM (pulse width modulation)
  • Peripheral configuration
  • 8-bit real time clock only (TCC) with overflow interrupt
  • External interrupt input pin
  • 2/4/8/16 clocks per instruction cycle selected by code option
  • Power down (Sleep) mode
  • High EFT immunity
  • Single instruction cycle commands
  • Special Features
  • Programmable free running Watchdog Timer
  • Power-on voltage detector available (2.0V ~ 2.1V)
  • Package Type:
  • 10-pin MSOP 118mil : EM78F661NMS10
  • 14-pin SOP 150mil : EM78F661NSO14
  • 16-pin DIP 300mil : EM78F661NAD16
  • 16-pin SOP 150mil : EM78F661NASO16A

       Note: Green products do not contain hazardous substances.

     芯片资料下载:
     EM78F661N芯片手册

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