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EM78P447A Datasheet 8-bit Micro-controller

Manufacturer: EMC

Overview: DESCRIPTION EM78P247/447A/B/C 8-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT Preliminary The EM78P247/447A/B/C is an 8-bit microprocessor with low-power, high speed CMOS technology.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

EM78P247/447A/B/C 8-BIT MICRO-CONTROLLER FOR GENERAL PURPOSE PRODUCT Preliminary The EM78P247/447A/B/C is an 8-bit microprocessor with low-power, high speed CMOS technology.

There are 4Kx13 bits Electical One Time Programmable Read Only Memory (OTP-ROM) within it.

It provides 1 Protect bit and 6 One-time Programmable Option bits to protect the OTP memory code from any external access as well as the user's options.

Key Features

  • Operating voltage range: 2.5V~5.5V.
  • Available in temperature range: 0°C~70°C.
  • Operating frequency range: Crystal Type: DC~20MHz at 5V DC~8MHz at 3V RC Type: DC~4MHz at 5V DC~4MHz at 3V.
  • 2Kx13 on chip ROM (EM78267A/B/C).
  • 4Kx13 on chip ROM (EM78467A/B/C).
  • 9 special function registers.
  • 148x8 general purpose registers (SRAM).
  • 3 bi-directional tri-state I/O ports (20 I/O pins for EM78P247/447A) (24 I/O pins for EM78.

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