X3100 Datasheet, PDF (25/40 Pages) Xicor Inc. – 3 or 4 Cell Li-Ion Battery Protection and Monitor IC

X3100/X3101 – Preliminary Information
Figure 13. EEPROM Page Write (EEWRITE) Operation Sequence
CS
SCK
SI
0 1 2 3 4 5 6 7 8 9 10
20 21 22 23 24 25 26 27 28 29 30 31
EEWRITE
Instruction
Byte Address
(2 Byte)
Data Byte 1
15 14 13
3 2 1 07 6 5 4 3 2 1 0
CS
SCK
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
Data Byte 2
Data Byte 3
SI
7 6 5 4 3 2 1 07 6 5 4 3 2 1 0
Data Byte 16
6543210
Figure 14. EEPROM Read Status (EEREAD STAT) Operation Sequence
CS
SCK
01234567
...
EEREAD STAT
Instruction
SI
...
Nonvolatile EEWRITE in Progress
SO
... ^{I I I}
D DD
L LL
2 10
SO High During
Nonvolatile
EEWRITE Cycle
SO=Status Reg Bit
When No Nonvolatile
EEWRITE Cycle
REV 1.1.8 12/10/02
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Characteristics subject to change without notice. 25 of 40