PCA4731 (Discontinued product)

• Software and Tools
• Flash and PROM Programming
• Programming Adapters/Adapter Boards
• PCA4731
• PCA7412F-100
• PCA7413F-80
• PCA4738F-100A
• PCA4738G-100A
• PCA4738S-42A
• PCA4738GF-80
• PCA4738HF-80
• PCA7435SPG02
• PCA7442FPG02
• PCA7442SP

• Overview
• Design Support

Target Devices

740 Family 7470 Series 7478 Group

Overview

The PCA4731 is a PROM programming adapter for 7478 Group of Renesas 8-bit MCUs with internal PROM. 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 : TR4943, R4944A, R4945 (ADVANTEST CORPORATION)

Components

• Main unit (PCA4731)
  A board with an IC socket for the MCU package
• Connector (PCA4701B)
  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	7478 Group
Supported package type	56-pin 0.8mm-pitch QFP [56P6N-A]
Operating clock frequency	4MHz
Operation clock supplier	Supplied from ceramic oscillator of main unit
Power supply	Supplied from Vcc of PROM programmer