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EM78F734N

EM78F734N

The EM78F734N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology and high noise immunity. It has an on-chip 4K×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.
With its enhanced Flash-ROM feature, the EM78F734N 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 EM78F734N is an 8-bit microprocessor designed and developed with low-power, high-speed CMOS technology and high noise immunity. It has an on-chip 4K×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.
With its enhanced Flash-ROM feature, the EM78F734N 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
  • 4Kx13 bits on-chip ROM
  • 144x8 bits on-chip registers (SRAM)
  • 128 bytes In-system programmable EEPROM
  • 8-level stacks for subroutine nesting
  • I/O port configuration
  • Three bidirectional I/O ports
  • Wake-up port
  • 12 programmable pull-down I/O pins
  • 8 programmable pull-high I/O pins
  • 4 programmable open-drain I/O pins
  • External interrupt : P60
  • Operating voltage range: 
  • 2.2V~5.5V at -40°C~85°C (commercial)
  • 2.2V~5.5V at 0°C~70°C (industrial) 
  • Operating frequency range (base on 2 clocks):
  • IRC Drift Rate (Vdd @ 3.3V)
Internal RC Frequency Drift Rate
Temperature(-10°C+40°C) Process Total
455 MHz ±1% ±1% ±2%
1 MHz ±1% ±1% ±2%
4 MHz ±1% ±1% ±2%
8MHz ±1% ±1% ±2%
  • IRC Drift Rate (Temperature: -10°C+40°C)
Internal RC Frequency Drift Rate
Voltage(3.0~3.6V) Process Total
455 MHz ±1% ±1% ±2%
1 MHz ±1% ±1% ±2%
4 MHz ±1% ±1% ±2%
8MHz ±1% ±1% ±2%
  • One 16-bit Timer/Counter
  • TC1 : Timer/Counter/Capture
  • One 8-bit Timer/Counter
  • TC3 : Timer/Counter/PDO (Programmable Divider Output) / PWM (Pulse Width Modulation)
  • Eight available interrupts:
  • Internal interrupt: 4
  • External interrupt: 4
  • Seven channels Analog-to-Digital Converter with 12-bit resolution
  • Peripheral configuration
  • 8-bit real time clock only (TCC) with selective signal sources, trigger edges, and overflow interrupt
  • Power down (Sleep) mode
  • Four programmable Level Voltage Reset (LVR) (LVR) : 3.3V, 3.0V, 2.6V, and 2.0V (POR)
  • Three security registers to prevent intrusion of Flash memory codes
  • One configuration register to accommodate user’s requirements
  • Two clocks per instruction cycle
  • High EFT immunity
  • Two sub-frequencies; 128kHz and 16kHz, the 16kHz is provided by dividing the 128kHz
  • Single instruction cycle commands
  • Five Crystal Range in Oscillator Mode
    • Crystal Range Oscillator Mode
    20 MHz ~ 12 MHz HXT2
    12 MHz~6 MHz HXT1
    6 MHz ~ 1 MHz XT
    1 MHz ~ 100kHz LXT1
  • Programmable free running Watchdog Timer
  • Package Type:
  • 16-pin DIP 300mil : EM78F734ND16
  • 16-pin SOP 300mil : EM78F734NSO16
  • 16-pin SOP 150mil : EM78F734NSO16A
  • 16-pin SSOP 150mil: EM78F734NSS16
  • 18-pin DIP 300mil : EM78F734ND18
  • 18-pin SOP 300mil : EM78F734NSO18
  • 20-pin DIP 300 mil: EM78F734ND20
  • 20-pin SOP 300mil : EM78F734NSO20
  • 20-pin SSOP 209mil : EM78F734NSS20

Note: These are Green products which do not contain hazardous substances.
     芯片手册下载:
     EM78F734N芯片手册

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