ISL78610 Datasheet, PDF (71/98 Pages) Intersil Corporation – Multi-Cell Li-Ion Battery Manager

ISL78610
22-BYTE RESPONSE
Tables 40 and 41 show the calculated timing of read operations
for 22-byte responses. This is the timing for Read All
Temperature or Read All Faults command.
TABLE 40. READ TIMING (MAX): 22-BYTE RESPONSE, DAISY CLOCK = 500kHz, SPI CLOCK = 2MHz
TOP
STACK
DEVICE
COMMAND TIME TO
START OF RESPONSE
(EACH DAISY DEVICE)
(µs)
TIME TO COMPLETE RESPONSE (DAISY CHAIN)
MASTER DEVICE
(µs)
MIDDLE DEVICE
(µs)
TOP DEVICE
(µs)
ALL DEVICES
(µs)
2
80
3
82
4
85
5
87
6
89
391
430
822
394
521
433
1347
396
523
435
1878
398
526
437
2412
400
528
439
2951
7
91
403
530
441
3495
8
93
405
532
444
4042
9
96
407
535
446
4595
10
98
409
537
448
5152
11
100
411
539
450
5713
12
102
414
541
453
6278
13
105
416
543
455
6849
14
107
418
546
457
7423
COMMAND +
RESPONSE ALL
DEVICES
(µs)
982
1594
2216
2846
3485
4133
4790
5455
6130
6813
7506
8207
8917
TABLE 41. READ TIMING (MAX): 22-BYTE RESPONSE, DAISY CLOCK = 250kHz, SPI CLOCK = 2MHz
TOP
STACK
DEVICE
COMMAND TIME TO
START OF RESPONSE
(EACH DAISY DEVICE)
(µs)
TIME TO COMPLETE RESPONSE (DAISY CHAIN)
MASTER DEVICE
(µs)
MIDDLE DEVICE
(µs)
TOP DEVICE
(µs)
ALL DEVICES
(µs)
2
156
480
844
1324
3
160
485
1023
848
2356
4
165
489
1028
853
3398
5
169
494
1032
857
4448
6
173
498
1037
861
5507
7
178
503
1041
866
6575
8
182
507
1046
870
7651
9
187
511
1050
875
8737
10
191
516
1055
879
9832
11
196
520
1059
884
10935
12
200
525
1063
888
12047
13
205
529
1068
893
13169
14
209
534
1072
897
14299
COMMAND +
RESPONSE ALL
DEVICES
(µs)
1635
2836
4056
5292
6547
7819
9110
10417
11743
13087
14448
15827
17224
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June 16, 2016