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The EM78P507N is an 8-bit microprocessors designed and developed with low-power and high-speed CMOS technology. Integrated onto a single IC are on-chip Watchdog Timer (WDT), RAM, ROM, programmable real time clock counter (TCC), internal/external interrupt, power down mode, four 8-bit timers, SPI, I2C, UART, Current type DA Converter,10 bits/24 channels AD , LVD, and tri-state I/O. It is equipped with a 6K×13-bit Electrical One Time Programmable Read Only Memory (OTP-ROM). With its enhanced OTP-ROM features, the EM78P507N provides a convenient way of developing and verifying user’s programs. Moreover, this OTP-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.

  • CPU Configuration
  • 6K×13 bits on-chip ROM
  • 272×8 bits on-chip registers
  • 8-level stacks for subroutine nesting
  • Dual clock operation mode
  • Four operation modes: Normal, Green, Idle, & Sleep
  • Two programmable Level Voltage Detector (LVD): 2.3V, 3.0V
  • Power-on reset Level Voltage: 1.9 reset level, 2.0 release
  • Less than 2.0 mA at 3.3V / 4 MHz
  • Typically 15 μA, at 3V / 32kHz
  • Typically 2 μA, during Sleep mode
  • I/O Port Configuration
  • 6 bidirectional I/O ports: P7, P8, P9, PA, PB and PC
  • 45 I/O pins & 1I pin
  • 45 programmable pull-high I/O pins
  • 39 programmable open-drain I/O pins
  • External interrupt with Wake-up : P74~P77, P82~P83, PB0~PB3
  • Operating Voltage
  • 2.2V~3.6V at -40°C~85°C (Industrial)
  • Operating Frequency  
  • Crystal/IRC/ERC oscillation circuit selected by code option for system clock
  • IRC oscillation circuit selected by code option or register

       * Main Clock

  • Crystal mode:

                    DC~20 MHz/2clks@3.3V;

                    DC~100ns inst. cycle @ 3.3V;

                    DC~16 MHz/2 clks @ 2.2V;

                    DC~250ns inst. cycle @ 2.2V

  • ERC mode: 
  • IRC mode: DC~16 MHz/2 clks @ 2.2V ;

                                      DC~400ns inst. cycle @ 2.2V

     * Sub Clock

                    IRC mode : 16kHz 

All these four main frequencies can be trimmed by programming with four calibrated bits in the ICE330N Simulator. OTP is auto trimmed by ELAN Writer

  • Special features
  • Programmable free running watchdog timer
  • High ESD immunity
  • Power saving Sleep mode
  • Selectable Oscillation mode
  • Peripheral configuration
  • One clock output pin can output the currently working frequency
  • 8-bit real time clock/counter (TCC)
  • 24-channel Analog-to-Digital Converter (ADC) with 12-bit resolution in Vref mode
  • Three 8-bit timers
  • 8-bit Timer 1, auto reload counter/timer which can be an interrupt source. Function modes: Timer, Toggle output, UART baud rate generator, Capture, & PWM
  • 8-bit Timer 2, auto reload timer which can be an interrupt source. Function modes: Timer, SPI baud rate generator, & PWM
  • Two sets of 8 bits auto reload counter/timer which can be cascaded to one 16-bit counter/timer
  • 8-bit Timer 3 with external clock source, can generate a 50% duty pulse output from T3OUT Pin.
  • Universal Asynchronous Receiver/Transmitter (UART) available (operates at 16 MHz/2Mbps, 2.2V)
  • I2C-bus function, including 7-bit/10-bit address 8-bit data transmit/ receive mode and 16 bytes buffer to save the data.
  • Serial Peripheral Interface (SPI)
  • Digital-to-Analog Converter (DAC) current type with 10-bit resolution
  • Single instruction cycle commands
  • 22 available interrupts: 10 external, 12 internal 
  • TCC overflow interrupt
  • Ten external interrupts (wake-up from sleep mode)
  • Three timer interrupts
  • A/D converter interrupt
  • SPI interrupt
  • Two I2C interrupts
  • Three UART interrupts
  • Low voltage detect (LVD)

Note: Green products do not contain hazardous substances.

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