EM78869

Features: ·Operating voltage range: 2.2V ~ 5.5V ·Operating temperature range: ¨C2C ~ +70C. ·32.768KHz Crystal/RC oscillation circuit selected by code option for system clock·144 byte general purpose register·640 x 8 bits on-chip data RAM ·8K x 13 on-chip mask type program ROM. ·Up to 29 bi-directi...

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EM78869 Picture
SeekIC No. : 004336062 Detail

EM78869: Features: ·Operating voltage range: 2.2V ~ 5.5V ·Operating temperature range: ¨C2C ~ +70C. ·32.768KHz Crystal/RC oscillation circuit selected by code option for system clock·144 byte general purpose...

floor Price/Ceiling Price

Part Number:
EM78869
Supply Ability:
5000

Price Break

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

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Upload time: 2024/10/17

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Product Details

Description



Features:

·Operating voltage range: 2.2V ~ 5.5V
·Operating temperature range: ¨C2C ~ +70C.
·32.768KHz Crystal/RC oscillation circuit selected by code option for system clock 
·144 byte general purpose register 
·640 x 8 bits on-chip data RAM
·8K x 13 on-chip mask type program ROM.
·Up to 29 bi-directional tri-state I/O ports
·8-level stack for subroutine nesting
·8-bit real time clock/counter (TCC)
·Programmable free running on-chip watchdog timer
·Port key scan function
·Operation mode: a) Normal mode; b) Green mode; c).Idle mode; d) Sleep mode
· Input port wake-up function (Port 9)
·7 interrupt sources:  
    4 external (INT0 ~ INT3) 
    3 internal (one TCC timer overflow interrupt + two 8-bit counters overflow interrupt)
·64-pin chip form (EM78869)



Application

·Data Bank
·Message display box
·Scientific calculator



Pinout

  Connection Diagram


Description

The EM78869 is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. Integrated into the single chip are on chip watchdog (WDT), RAM, ROM, programmable real-time clock/counter, internal interrupt, power-down mode, LCD driver, and tri-state I/O. The EM78869 provides a single chip solution for designing DATA-BANK of message display.

 




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