Description:...5V, 3.3V, ISR? High-Performance CPLDsUltra37000 CPLD FamilyCypress Semiconductor Corporation 3901 North First Street San Jose, CA 95134 408-943-2600Document #: 38-03007 Rev. *C Revised July 7, 2003... ...? In-System Reprogrammable? (ISR?) CMOS CPLDs¡ª JTAG interface for reconfigurability¡ª Design changes do not cause pinout changes¡ª Design changes do not cause timing changes... ...In-System Reprogramming (ISR)In-System Reprogramming is the combination of the capabilityto program or reprogram a device on-board, and the ability tosupport design changes without changing the system timing...