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EM78P806A

Features: CPU‧Operating voltage range : 2.5V∼5.5V‧8K*13 on chip ROM‧1.1K*8 on chip RAM‧Up to 36 bi-directional tri-state I/O ports‧8 level stack for subroutine nesting‧8-bit real time clock/counter (TCC) with 8-bit prescaler‧Two sets of 8 bit counter...

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SeekIC No. : 004336100 Detail

EM78P806A: Features: CPU‧Operating voltage range : 2.5V∼5.5V‧8K*13 on chip ROM‧1.1K*8 on chip RAM‧Up to 36 bi-directional tri-state I/O ports‧8 level stack for subroutine ne...

EM78P806A Data Sheet

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Part Number:
EM78P806A
Supply Ability:
5000

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

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Product Details

Description



Features:

CPU
‧Operating voltage range : 2.5V∼5.5V
‧8K*13 on chip ROM
‧1.1K*8 on chip RAM
‧Up to 36 bi-directional tri-state I/O ports
‧8 level stack for subroutine nesting
‧8-bit real time clock/counter (TCC) with 8-bit prescaler
‧Two sets of 8 bit counters can be interrupt sources
‧Selective signal sources and overflow interrupt
‧Programmable free running on chip watchdog timer
‧99.9% single instruction cycle commands
‧four modes (Main clock 3.579 , 1.79, 0.895 or 0.447MHz generated by internal PLL)
1. Sleep mode : CPU and Main clock turn off, 32.768KHz clock turn off
2. Idle mode : CPU and Main clock turn off, 32.768KHz clock turn on
3. Green mode : Main clock turn off, CPU and 32.768KHz clock turn on
4. Normal mode : Main clock turn on , CPU and 32.768KHz clock turn on
‧Ring on voltage detector and low battery detector (2.5V or 3.5V)
‧Input port wake up function
‧9 interrupt source , 4 external , 5 internal
‧100 pin QFP(EM78P806AAQ, POVD disable)(EM78P806ABQ, POVD enable) or 80 pin chip form
(EM78P806AH)
‧ IO Port key scan function
‧ IO Port interrupt , pull high ,wake-up and open drain functions
‧External Sub-Clock frequency is 32.768KHz
‧Dual TONE Generators
CID
‧Operation Volltage 2.5 ∼5.5V for FSK
‧Operation Volltage 2.5 ∼5.5V for DTMF receiver
‧Bell 202 , V.23 FSK demodulator
‧DTMF receiver
‧Ring detector on chip
‧Line energy detect
LCD
‧LCD operation voltage chosen by software
‧Common driver pins : 16 (8 of 16 Common shared by I/O)
‧Segment driver pins : 40 (20 of 40 Segment shared by I/O)
‧1/4 bias
‧1/8,1/16 duty


Application

1. adjunct units
2. answering machines
3. feature phones


Pinout

Connection Diagram


Specifications

RATING SYMBOL VALUE UNIT
DC SUPPLY VOLTAGE Vdd -0.3 To 6 V
INPUT VOLTAGE Vin -0.5 TO Vdd +0.5 V
OPERATING TEMPERATURE RANGE Ta 0 TO 70



Description

The EM78P806A is an 8-bit CID (Call Identification) RISC type microprocessor with low power , high speed CMOS technology . Integrated onto a single chip are on_chip watchdog (WDT) , RAM , ROM , programmable real time clock /counter , internal interrupt , power down mode , LCD driver , FSK decoder , DTMF receiver , Tone generator and tri-state I/O . The EM78P806A provides a single chip solution to design a CID of calling message display .




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