NEC uPD70F3231M1GB-YEU QFP(64) Device

Adapters for Automated Programmers

Adapters for Manual Programmers

Adapters for Engineering Programmers

Last Updated: 05/18/2023

IMPORTANT: This algo is based on parameter file 70F3233.prm version 1.00.3-Wire Serial I/O Mode(CSIB0). Read Compare andSecurity Command is added from algorithm revision 2.0.The Security Byte can be set through Device Configureand programmed with Secure command.In order to program this Byte please enable Secure.Set Bit 0 to 0 will disable Chip EraseSet Bit 1 to 0 will disable Block EraseSet Bit 2 to 0 will disable Program.Set Bit 3 to 0 will disable Read.Bits 4 to 7 are reserved and should be set to 1s.Bit 1 2 and 3 can be erased through Chip Erase but once bit 0 isprogrammed to 0 the whole chip is secured and no operation can be done on it.Only new devices support Read and Secure please check with NEC onthe Read and Secure availability of your device.