MC92501 Datasheet, PDF (41/52 Pages) Motorola, Inc – ATM Cell Processor

SECTION 15. TEST OPERATION
15.1. Device Identification Register
The code for the MC92501 is changed to: 0100_0001_1100_0011_1010_0000_0001_1101.
15.2. Boundary Scan Register
Table 6. Boundary Scan Bit DeÞnition
Signal Name I/O Cell Type System Mode Scan Bit #
STXCLK
in
in
STXCLAV
bidir
out
STXSOC
bidir
in
STXPRTY
bidir
in
STXDATA7
bidir
in
STXDATA6
bidir
in
STXDATA5
bidir
in
STXDATA4
bidir
in
STXDATA3
bidir
in
STXDATA2
bidir
in
STXDATA1
bidir
in
STXDATA0
bidir
in
STXENB
bidir
in
TXENB
bidir
out
TXFULL
in
in
TXCCLR
bidir
in
TXPHYIDV
three-state
out
TXPRTY
bidir
out
TXSOC
bidir
out
TXDATA7
bidir
out
TXDATA6
bidir
out
TXDATA5
bidir
out
TXDATA4
bidir
out
TXDATA3
bidir
out
TXDATA2
bidir
out
TXDATA1
bidir
out
TXDATA0
bidir
out
TXPHYID3
three-state
out
TXPHYID2
three-state
out
TXPHYID1
three-state
out
360
359
358
357
356
355
354
353
352
351
350
349
348
347
346
345
344
343
342
341
340
339
338
337
336
335
334
333
332
331
330
329
328
327
326
325
324
323
322
321
320
319
318
317
316
315
314
313
312
311
310
309
308
307
Output
Enable
MOTOROLA
MC92501
41