A structure and a method to implement in-system programming (ISP) and boundary-scan testing in an integrated circuit using the same pins to control both functions. The SDI, SCLK, MODE and SDO connections required for in-system programming and the TDI, TCK, TMS and TDO connections required for boundary-scan...http://www.google.es/patents/US5412260?utm_source=gb-gplus-sharePatente US5412260 - Multiplexed control pins for in-system programming and boundary scan state machines in a high density programmable logic device
Multiplexed control pins for in-system programming and boundary scan state ...
