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Page 2: ...User s Manual COP400 E02 In Circuit Emulator Card National U Semiconductor 420305896 001...
Page 3: ...nal power supply or as a peripheral to the COP400 Product Development System PDS When used in conjunction with the PDS the E02 Emulator gives the user the added capabilities of real time program traci...
Page 4: ...emulator cables In the center of the board are two MM52D4 PROM sockets The PROM socket labeled PROM 0 is for COP addresses O X IFF and the socket labeled PROM 1 is for addresses X 200 X 3FF Below the...
Page 5: ...Figure 2 1 COP400 E02In Circult Emulator layout...
Page 6: ...used as logic inputs to the PDS and the last is a logic output of the PDS 3 2 3 1 E02 Emulator Power Terminals Two supplies 5 and 12VDC are needed to operate the E02 card stand alone with MM5204 EPRO...
Page 7: ...A5 21 Not Used 22 AlO 23 Not Used 24 Not Used 25 Not Used 26 Not Used 27 Not Used 28 Not Used 29 Not Used 30 Not Used 31 Not Used 32 Not Used COP402 skip status line COP402 program counter address bit...
Page 8: ...oriented away from the center of the board as marked The four SIPs to the right of this connector are configured as 24 and 28 pin emulator sockets Pin 1 for both of these sockets is oriented toward t...
Page 9: ...alling J3 Installing J4 and removing pins CKI and CKO of the emulator cable from the emulator cable socket This last step is necessary because cable capacitance will upset the crystal s stabi lity Tab...
Page 10: ...Section 3 3 the user should be able to verify correct operation 01 the emulator s program counter external event inputs skip line and general internal workings External circuitry an oscilloscope or a...
Page 11: ...COPMON commands that may be used to isolate the faulty component s Before attempting the fOllowing diagnostic aids the user should study Chapter 9 of the PDS User s Manual Section 2 5 of this manual a...
Page 12: ...ss line AO A10 is malfunctioning Probable faulty circuits S1LS95 US S1lS95 U14 74lS373174C373 U12 5 2 Step 5 Another TRACE IMMEDIATE command will test RST IRESET and proper binary operation of the add...
Page 13: ...be tested by inserting various jump commands into memory and using TRACE to verify that the jump occurred If the E02 fails any of the following tests the probable faulty circuit is 81LS95 Ul l Insert...
Page 14: ...A 03E E l111 A 004 E 1111 A 005 E 1111 A 006 E l111 A OOl E 1111 C PU 3E JP 8 C Q TRACED ON A 03E AT A 03E C TY 0 4 o o A 03E E 1111 A 008 E ll11 A 009 E 1111 A OOA E 1111 4 A 008 E 1111 C PU 3E JP 10...
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