PCA7425 (Discontinued product)
- Overview
- Documentation
- Design Support
Target Devices
- 4570 Group
Overview
The PCA7425 is a PROM programming adapter for EPROM version of 4570 Group 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 : TR4943, R4944A, R4945, R4945A (ADVANTEST CORPORATION)
Components
- Main unit (PCA7425)
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 | 4570 Group |
| Supported package type | 36-pin 0.8mm-pitch SSOP (36P2R-A) |
| Operating clock frequency | 1MHz |
| Operation clock supply | Supplied from ceramic oscillator of main unit |
| Power supply | Supplied from Vcc of PROM programmer |
Americas
