ISL78610 Datasheet, PDF (70/98 Pages) Intersil Corporation – Multi-Cell Li-Ion Battery Manager

ISL78610
40-BYTE RESPONSE
Tables 38 and 39 show the calculated timing for read operations
for 40-byte responses. Specifically, this is the timing for a Read
All Voltages command.
TABLE 38. READ TIMING (MAX): 40-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
643
750
1394
646
841
753
2239
648
843
755
3090
650
846
757
3944
652
848
759
4803
7
91
655
850
761
5667
8
93
657
852
764
6534
9
96
659
855
766
7407
10
98
661
857
768
8284
11
100
663
859
770
9165
12
102
666
861
773
10050
13
105
668
863
775
10941
14
107
670
866
777
11835
COMMAND +
RESPONSE ALL
DEVICES
(µs)
1554
2486
3428
4378
5337
6305
7282
8267
9262
10265
11278
12299
13329
TABLE 39. READ TIMING (MAX): 40-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
732
1484
2216
3
160
737
1663
1488
3888
4
165
741
1668
1493
5570
5
169
746
1672
1497
7260
6
173
750
1677
1501
8959
7
178
755
1681
1506
10667
8
182
759
1686
1510
12383
9
187
763
1690
1515
14109
10
191
768
1695
1519
15844
11
196
772
1699
1524
17587
12
200
777
1703
1528
19339
13
205
781
1708
1533
21101
14
209
786
1712
1537
22871
COMMAND +
RESPONSE ALL
DEVICES
(µs)
2527
4368
6228
8104
9999
11911
13842
15789
17755
19739
21740
23759
25796
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FN8830.1
June 16, 2016