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EM78P870

Features: ‧Operating voltage range : 2.5V∼5.5V 2.2V~5.5V(Normal mode), 2.0V~5.5V(Green mode)‧32K×13 on chip Program Electrical One Time Programmable Read Only Memory (OTP-ROM)‧4K×8 on chip data RAM‧144 byte working register‧Up to 51 bi-directional tri-state I/O ...

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SeekIC No. : 004336104 Detail

EM78P870: Features: ‧Operating voltage range : 2.5V∼5.5V 2.2V~5.5V(Normal mode), 2.0V~5.5V(Green mode)‧32K×13 on chip Program Electrical One Time Programmable Read Only Memory (OTP-ROM)̷...

EM78P870 Data Sheet

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Part Number:
EM78P870
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:

‧Operating voltage range : 2.5V∼5.5V 2.2V~5.5V(Normal mode), 2.0V~5.5V(Green mode)
‧32K×13 on chip Program Electrical One Time Programmable Read Only Memory (OTP-ROM)
‧4K×8 on chip data RAM
‧144 byte working register
‧Up to 51 bi-directional tri-state I/O ports (32 shared with LCD Segment pins)
‧IO with internal Pull high, wake-up and interrupt functions
‧STACK: 32 level stack for subroutine nesting
‧TCC: 8-bit real time clock/counter (TCC) with 8-bit prescaler
‧COUNTER1: 8-bit counter with 8-bit prescaler can be an interrupt source
‧COUNTER2: 8-bit counter with 8-bit prescaler can be an interrupt source
‧Watch Dog : Programmable free running on chip watchdog timer
‧12 interrupt source : 8 external , 4 internal
‧Key Scan : Port key scan function up to 16x4 keys
‧Sub-Clock: 32.768kHz crystal
‧Main-clock: 3.5826MHz multiplied by 0.25, 0.5, 1 or 3 generated by internal PLL
‧Key tone output (shared with IO) : 4kHz, 2kHz, 1kHz
‧Comparator: 3-channel comparators, internal (16 level) or external reference voltage (shared with IO)
‧Serial Peripheral Interface (SPI) : Interrupt flag available for the read buffer full, Programmable baud rates of
communication, Three-wire synchronous communication. (shared with IO)
‧128-pin QFP or chip : EM78P870AH (POVD disable) , EM78P870BH (POVD enable), EM78P870H


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 EM78P870 is an 8-bit RISC type microprocessor with low power, high speed CMOS technology. There are 32Kx13 bits Electrical One Time Programmable Read Only Memory (OTP-ROM) within it. Integrated onto a single chip are on_chip watchdog (WDT), RAM, programmable real time clock /counter, internal interrupt, power down mode, LCD driver, build-in KEY TONE clock generation, Programming Tone generators, Serial Peripheral Interface(SPI), comparator and tri-state I/O. The EM78P870 provides a single chip solution to design a message_display.




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