************************************************************************** ************************************************************************** ** ** ** Application notes for ALTERA devices ** ** ** ** (Informal Document) ** ** ** ** To find the application notes for your device search for the ** ** 'core' part name. As an example using the EPCS16 8 pin SOIC ** ** you would search on 'EPCS16' ** ** ** ************************************************************************** ************************************************************************** ************************************************************************** EPCS16 ---------- PROGRAMMING OF THE "BLOCK PROTECT" (BP2,BP1,BP0) BITS Format of Protection Data in User RAM: 7 6 5 4 3 2 1 0 |--------|--------|--------|--------|--------|--------|--------|--------| | | | | | | | | | | 0 | 0 | 0 | BP2 | BP1 | BP0 | WEL | WIP | | | | | | | | | | |--------|--------|--------|--------|--------|--------|--------|--------| Applying the following Protection Data into User RAM at the defined User RAM Address and enabling the "Program protect reg." flag in the in the programming operations will allow the following device protection programming support: TABLE#1: User RAM Protection Data at User RAM Address: 0x200000 Area Protected for EPCS16 ------------------ ----------------------------------- Data: 0x00 = none Data: 0x04 = 0x1F0000 -> 0x1FFFFF Data: 0x08 = 0x1E0000 -> 0x1FFFFF Data: 0x0C = 0x1C0000 -> 0x1FFFFF Data: 0x10 = 0x180000 -> 0x1FFFFF Data: 0x14 = 0x100000 -> 0x1FFFFF Data: 0x18 = 0x000000 -> 0x1FFFFF Data: 0x1C = 0x000000 -> 0x1FFFFF For enabling "Program Protect Reg." in TaskLink for Windows(TLwin) or TaskLink for DOS(TLdos) you must set the Enable Special Data #2 option. .Enabling the "Erase EE device" option will remove all block protection. NOTE: Devices require "Erase EE device" option to be enabled when re-programming. ************************************************************************ ************************************************************************