AD664TJ Ver la hoja de datos (PDF) - Analog Devices
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AD664TJ Datasheet PDF : 23 Pages
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AD664
Table III details the memory locations and addresses used by this interface.
Table III. IBM PC Memory Map
HEX A9 A8 A7 A6 A5 A4 A3
A2
A1
300
1
1
0
0
0
0
0
0
0
301
0
0
302
0
1
303
0
1
304
1
0
305
1
0
306
1
1
307
w
1
1
308
1
0
0
309
0
0
30A
0
1
30B
0
1
30C
1
0
30D
1
0
30E
1
1
30F
w
w
1
1
310
1
0
0
0
311
0
0
312
0
1
313
0
1
314
1
0
315
1
0
316
1
1
317
w
1
1
318
1
0
0
319
0
0
31A
0
1
31B
0
1
31C
1
0
31D
1
0
31E
1
1
31F w
w
w
w
w
w
w
1
1
Note: Shaded registers are readable.
A0
REGISTER SELECTED
0
Illegal Address
1
Mode Select, 1st Rank
0
Illegal Address
1
Mode Select, 1st Rank
0
Illegal Address
1
Mode Select, 1st Rank
0
Illegal Address
1
Mode Select, 1st Rank
0
Mode Select, 2nd Rank
1
0
1
0
1
0
1
w
0
DAC A, 4 LSBs, 1st Rank
1
DAC A, 8 MSBs, 1st Rank
0
DAC B, 4 LSBs, 1st Rank
1
DAC B, 8 MSBs, 1st Rank
0
DAC C, 4 LSBs, 1st Rank
1
DAC C, 8 MSBs, 1st Rank
0
DAC D, 4 LSBs, 1st Rank
1
DAC D, 8 MSBs, 1st Rank
0
2nd Rank
1
0
1
0
1
0
1
w
–16–
REV. D
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