This is a MSP430 User's Guide SLAU101A from Texas Instruments
This manual introduces the MSP‑GANG430, an MSP430 gang programmer that can program up to eight flash devices simultaneously. It covers software installation from the supplied CD, hardware connection via a standard RS‑232 serial port, and required power‑supply specifications.
The document also describes the programmer’s firmware commands, the dynamic link library (GANG430.DLL), hardware specifications, target‑connector signals, and provides schematics and component locations for the expansion board.