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EM78F734系类
  • 产品名称:

    EM78F734系类

  • 产品分类:义隆Flash系列
  • 发布时间:2024-6-25 9:12:46
  • 本站价格:¥0.00
产品订购热线:13480182826
产品说明

1 General Description
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 providesa 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.
2 Features
„  CPU Configuration
•  4K×13 bits Flash memory
•  144×8 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 : P6
•  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 @ – 40°C ~85°C (Industrial)
•  2.2V~5.5V @ 0°C ~70°C (Commercial)
„  Operating frequency range (base on two clocks):
•  IRC Drift Rate (Vdd @ 3.3V)
•  IRC Drift Rate (Temperature: -10°C+40°C)
„  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)
Drift Rate
Internal RC
Frequency  Temperature
(-10°C+40°C)
Process  Total
455kHz ±1% ±1% ±2%
1 MHz  ±1%  ±1%  ±2%
4 MHz  ±1%  ±1%  ±2%
8 MHz  ±1%  ±1%  ±2%
Drift Rate
Internal RC
Frequency  Voltage
(3.0~3.6V)
Process  Total
455kHz ±1% ±1% ±2%
1 MHz  ±1%  ±1%  ±2%
4 MHz  ±1%  ±1%  ±2%
8 MHz  ±1%  ±1%  ±2%
„  Eight available interrupts:
•  Internal interrupt: 4
•  External interrupt: 4
„  Seven channels Analog-to-Digital Converter with
12-bit resolution
„  Peripheral Configuration
•  8-bit real Timer Clock/Counter (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 SSOP 150mil  :  EM78F734NSS16
•  18-pin DIP 300mil  :  EM78F734ND18
•  18-pin SOP 300mil  :  EM78F734NSO18
•  20-pin DIP 300 mil  :  EM78F734ND20
•  20-pin SOP 300mil  :  EM78F734NSO20

 

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