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W79E834

Features: • Fully static design 8-bit Turbo 51 CMOS microcontroller up to 16MHz when VDD=4.5V to 5.5V, 12MHz when VDD=2.7V to 5.5V• 8K bytes of Flash EPROM (AP Flash EPROM), with ICP and External Writer programmable mode• 256 bytes of on-chip RAM• 256 bytes of on-chip AUX-...

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SeekIC No. : 004545056 Detail

W79E834: Features: • Fully static design 8-bit Turbo 51 CMOS microcontroller up to 16MHz when VDD=4.5V to 5.5V, 12MHz when VDD=2.7V to 5.5V• 8K bytes of Flash EPROM (AP Flash EPROM), with ICP an...

W79E834 Data Sheet

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Part Number:
W79E834
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Fully static design 8-bit Turbo 51 CMOS microcontroller up to 16MHz when VDD=4.5V to 5.5V, 12MHz
   when VDD=2.7V to 5.5V
• 8K bytes of Flash EPROM (AP Flash EPROM), with ICP and External Writer programmable mode
• 256 bytes of on-chip RAM
• 256 bytes of on-chip AUX-RAM
• Instruction-set compatible with MSC-51
• Three 8-bit bi-directional and one 2-bit bi-directional port
• Two 16-bit timer/counters
• One Timer with three input captures capability
• 13 interrupts source with four levels of priority
• One enhanced full duplex serial port with framing error detection and automatic address recognition
• The 4 outputs mode and TTL/Schmitt trigger selectable Port
• Programmable Watchdog Timer
• Four-channel 10-bit PWM (Pulse Width Modulator)
• Eight-channel multiplexed with 10-bits A/D converter
• One SPI with master/slave capability
• Eight keypad interrupt inputs
• Configurable on-chip oscillator
• Built-in power management
• LED drive capability (20mA) on all port pins
• Low Voltage Detect interrupt and reset
• Code protection
• Packages:
   - Lead Free (RoHS) SOP 28: W79E834ASG
   - Lead Free (RoHS) LQFP 48: W79E834ALG


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
CONDITION
RATING
UNITS
DC Power Supply
VDD−VSS
-0.3
+7.0
V
Input Voltage
VIN
VSS-0.3
VDD+0.3
V
Operating Temperature
TA
-40
+85
Storage Temperature
Tst
-55
+150
Note: Exposure to conditions beyond those listed under absolute maximum ratings
          may adversely affects the lift and reliability of the device.


Description

W79E834 is an 8-bit Turbo 51 microcontroller which has Flash EPROM which Flash EPROM can program by ICP (In Circuit Program) or by writer. The instruction sets of the W79E834 are fully compatible with the standard 8052. W79E834 contains a 8K bytes of main Flash EPROM; a 256 bytes of RAM; 256 bytes AUX-RAM; three 8-bit bi-directional, one 2-bit bi-directional and bit-addressable I/O ports; two 16-bit timer/counters; 8-channel multiplexed 10-bit A/D converter; 4-channel 10-bit PWM; one timer with input capture units; two serial ports that include a SPI and an enhanced full duplex serial port. These peripherals are supported by 13 sources four-level interrupt capability. To facilitate programming and verification, the Flash EPROM inside W79E834 allow the program memory to be programmed and read electronically. Once the code is confirmed, the user can protect the code for security.




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