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Target Devices

  • 4524, 4554 Groups

Overview

The PCA7448 is a PROM programming adapter for EPROM version of 4524 and 4554 Groups of Renesas 4-bit MCUs. The adapter is used to write programs using a commercially available PROM programmer for the M5M27C256A or equivalent.

Programmer Requirements

  • Programmable M5M27C256A or equivalent (Programming voltage: 12.5V)
  • Programming, verifying and erase check in specified area
  • 5V power supply (Approx. 10mA)
  • No device recognition code (Able to specify conditions directly)
  • Recommended : R4944A, R4945, R4945A

Components

  • Main unit (PCA7448)
    A board with an IC socket for the MCU package
  • Interface unit (PCA7414B)
    A board used to connect the main unit to the connector
  • Connector (PCA7402D)
    A board for connecting to a PROM programmer. Pins for a 28-pin standard-pitch IC socket of PROM programmer mounted
  • Instruction manual

Specifications

Supported MCU 4524, 4554 Groups
Supported package type 64-pin 0.8mm-pitch QFP [64P6N-A]
Operating clock frequency 2MHz
Operation clock supply Supplied from an on-chip oscillator of the MCU
Power supply Supplied from Vcc of PROM programmer

Related Resources

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