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EM78F665N

The EM78F665N series are 8-bit microprocessors designed and developed with low-power, high-speed CMOS technology. They have on-chip 4Kx15-bit Electrical Flash Memory, 128 8-bit In-system programmable EEPROM, two 8-bit timers, two 10-bit PWM, 8 channels AD with 12 bits resolution and I2C
With enhanced Flash-ROM features, the EM78F665N offers a convenient way of developing and verifying users' programs. Moreover, users can avail of the EMC Writer to easily program his development code.

  • CPU configuration
  • Support 4Kx15 bits program ROM
  • 304x8 bits on-chip registers (SRAM)
  • 128 bytes in-system programmable EEPROM
    *Endurance : 1000,000 write/erase cycles
  • More than 10 years data retention
  • 8 level stacks for subroutine nesting
  • Typically 2μA, during sleep mode
  • Four operation modes

Mode CPU Main clock WDT clock
Sleep mode Turn off Turn off Turn off
Idle Mode Turn off Turn off Turn on
Green mode Turn on Turn off Turn on
Normal mode Turn on Turn on Turn on

  • I/O port configuration
  • 4 bidirectional I/O ports : P5, P6, P7, P8
  • Pin change wake-up port : P6
  • 30 programmable pull-down I/O pins
  • 30 programmable pull-high I/O pins
  • 30 programmable open-drain I/O pins
  • 30 programmable high-sink/drive I/O pins
  • 8 programmable open-drain I/O pins
  • External interrupt : P60
  • Operating voltage range
  • 2.4V~5.5V at 0°C~70°C (commercial)
  • 2.6V~5.5V at -40°C~85°C (industrial)
  • Operating frequency range (base on 2 clocks)
  • IRC mode : DC~16MHz at 4.5V~5.5V ; DC~8MHz at 3V~5.5V ; DC~4MHz at 2.4V~5.5V
  • Internal RC Drift Rate (Ta=25°C, VDD=5V±5%, VSS=0V)

Internal RC
Frequency
Drift Rate
Temperature
(-40°C~85°C)
Voltage
(2.5V~5.5V)
Process Total
4MHz ±2% ±2% ±2% ±6%
8MHz ±2% ±2% ±2% ±6%
16MHz ±2% ±2% ±2% ±6%

  • Peripheral configuration
  • 8-bit real time clock/counter (TCC) with selective signal sources, trigger edges, and overflow interrupt
  • Two Pulse Width Modulation (PWMA, PWMB) with 10-bit resolution shared with Timers A and B
  • One 8-bit Timer/Counter : 
    TC3 : Timer/Counter/PWM/PDO(programmable divider output) mode select
  • 8 channels Analog-to-Digital Converter with 12-bit resolution in Vref mode
  • Power-down(Sleep) mode
  • High EFT immunity (4 MHz, 2 clocks)
  • I2C function with 7/10 bits address and 8 bits data transmit/receive mode
  • 10 available interrupts (2 external, 8 internal)
  • External interrupt(P60)
  • TCC overflow interrupt
  • TC3 overflow interrupt
  • Input-port status changed interrupt (wake-up from sleep mode)
  • ADC completion interrupt
  • PWMA, PWMB period match completion
  • I2C transfer/receive/stop interrupt
  • Programmable free running Watchdog Timer
  • Watchdog Timer : 16.5ms±5% with Vdd =5V at 25°C, Temperature range±5% (-40°C ~+85°C)
  • Watchdog Timer : 18ms ± 5% with Vdd = 3V at 25°C
  • Temperature range±5% (-40°C~+85°C)
  • Two clocks per instruction cycle
  • Single instruction cycle commands
  • Package Type
  • 32 pin QFN : EM78F665NQN32J/S
  • 28 pin SKDIP : EM78F665NK28J/S
  • 28 pin SOP : EM78F665NSO28J/S

Note: Green products do not contain hazardous substances.

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