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P83C557E4

Features: * 80C51 central processing unit* 32 K * 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes* ROM/FEEPROM Code protection* 1024 * 8 RAM, expandable externally to 64 Kbytes* Two standard 16-bit timer/counters* An additional 16-bit timer/counter coupled to four cap...

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SeekIC No. : 004453659 Detail

P83C557E4: Features: * 80C51 central processing unit* 32 K * 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes* ROM/FEEPROM Code protection* 1024 * 8 RAM, expandable externally to 6...

P83C557E4 Data Sheet

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Part Number:
P83C557E4
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:

* 80C51 central processing unit
* 32 K * 8 ROM respectively FEEPROM (Flash-EEPROM), expandable externally to 64 Kbytes
* ROM/FEEPROM Code protection
* 1024 * 8 RAM, expandable externally to 64 Kbytes
* Two standard 16-bit timer/counters
* An additional 16-bit timer/counter coupled to four capture registers and three compare registers
* A 10-bit ADC with eight multiplexed analog inputs and programmable autoscan
* Two 8-bit resolution, pulse width modulation outputs
* Five 8-bit I/O ports plus one 8-bit input port shared with analog
inputs
* I2 C-bus serial I/O port with byte oriented master and slave functions
* Full-duplex UART compatible with the standard 80C51
* On-chip watchdog timer
* 15 interrupt sources with 2 priority levels (2 to 6 external sources possible)
* Extended temperature range (40 to +85°C)
* 4.5 to 5.5 V supply voltage range
* Frequency range for 80C51-family standard oscillator:  3.5 MHz to 16 MHz
* PLL oscillator with 32 kHz reference and software-selectable system clock frequency
* Seconds Timer
* Software enable/disable of ALE output pulse
* Electromagnetic compatibility improvements
* Wake-up from Power-down by external or seconds interrupt


Pinout

Connection Diagram


Specifications

PARAMETER RATING UNIT
Storage temperature range 65 to +150  
Voltage on VDD  to V SSand SCL, SDA to VSS
 		 0.5 to +6.5 V
Input / output current on any I/O pin 10 mA
Power dissipation (based on package heat transfer limitations, not device power consumption) 10 W



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