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EM78P374N

The EM78P374N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology. It is used for 15 bits kernel simulation and it simulates the 4K 15-bit programmable ROM and 304 8-bit In-system programmable SRAM. Using the ICER400N, users can develop their program for ELAN's several OTP types of IC.

  • CPU Configuration
  • Support 4K15 bits program ROM
  • 304 8 bits on-chip registers (SRAM)
  • More than 10 years data retention
  • 8 level stacks for subroutine nesting
  • Dual clock operation mode
  • Four programmable Level Voltage Detector
    (LVD) : 4.5V, 4V, 3.3V, 2.2V
  • Four programmable Level Voltage Reset 
    (LVR) : 4.0V, 3.5V, 2.7V, 1.8V (POR)
  • Power on reset level Voltage: 1.8V~1.9V
  • Less than 1.0 mA at 5V/4MHz
  • Typically 15 uA, at 3V/16kHz
  • Typically 2 uA, during sleep mode
  • Four operation mode
  • I/O Port Configuration
  • 6 bi-directional I/O ports : P5, P6 and P7
  • 22 I/O pins
  • 22 Programmable open-drain I/O pins
  • 21 programmable pull-high I/O pins
  • 21 programmable pull-down I/O pins
  • 21 programmable high sink/drive I/O pins
  • External interrupt : INT0
  • Operating Voltage and Temperature Range:
  • 2.1V~5.5V at 0~70 °C (commercial)
  • 2.3V~5.5V at -40~85 °C (industrial)
  • Operating Mode: 
  • Crystal mode:

                                      DC ~ 16MHz at 5V

                                      DC ~ 8MHz at 3V

                                      DC ~ 4MHz at 2.1V

  • IRC mode: 

                                      DC ~ 8MHz/2clks at 3V

                                      DC ~ 4MHz/2clks at 2.1V


Internal RC Frequency Drift Rate
Temperature(-40°C~85°C) Voltage(2.1V~5.5V) Process Total
4 MHz ±2% ±1% ±1% ±5%
16 MHz ±2% ±1% ±1% ±5%
8 MHz ±2% ±1% ±1% ±5%
1 MHz ±2% ±1% ±1% ±5%

  • Sub Clock: 

                                      IRC mode: 16kHz/32kHz

  • Peripheral Configuration:
  • 8-bit real time clock/counter (TCC) with selective signal sources and trigger edges
  • 14+2-channels Analog-to-Digital Converter with 12-bit resolution+ 1 internal reference for Vref+.
  • Three 8-bit Timer/Counter
        TC1:Timer/Counter/capture//window/buzzer/PWM/PDO (programmable divider output) Mode selection
  • External interrupt wake-up. Function: rising or falling edge interrupt
  • I2C-bus available. Function; 7/10-bit address,8-bit data transmit/receive mode
  • Port 56 input status change wake-up
  • Three 16 bits PWM
  • One Comparator/OP
  • Package Type:
  • 18 pin DIP 300mil : EM78P374ND18J/S
  • 18 pin SOP 300mil : EM78P374NSO18J/S
  • 20 pin DIP 300mil : EM78P374ND20J/S
  • 20 pin SOP 300mil : EM78P374NSO20J/S
  • 20 pin SSOP 209mil : EM78P374NSS20J/S
  • 24 pin skinny DIP 300mil : EM78P374NK24J/S
  • 24 pin SOP 300mil : EM78P374NSO24J/S
  • 24 pin SSOP 150mil : EM78P374NSS24J/S

Note: Green products do not contain hazardous .substances.

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