x3102v28 Intersil Corporation, x3102v28 Datasheet - Page 30

• Manufacturer Part Number: x3102v28
• Description: 3 Cell Li-ion Battery Protection And Monitor Ic
• Manufacturer: Intersil Corporation

Write Control Register (WCNTRL)
The Write Control Register (WCNTRL) instruction updates
the contents of the volatile Control Register. This command
sets the status of the FET control pins, the cell balancing
outputs, the current sense gain and external entry to the
SCK
CS
SO
SI
High Impedance
SCK
CS
SO
Control
SI
SCK
Bits
CS
SO
0
SI
EEREAD Instruction
1
High Impedance
FIGURE 22. WRITE CONFIGURATION REGISTER (WCFIG) OPERATION SEQUENCE
FIGURE 23. WRITE CONTROL REGISTER (WCNTR) OPERATION SEQUENCE
High Impedance
2
30
(1 Byte)
0
3
FIGURE 21. EEPROM (EEREAD) READ OPERATION SEQUENCE
0
1
WCFIG Instruction
4
1
2
WCNTR Instruction
(1 BYTE)
5
Old Control Bits
2
3
(1 Byte)
6
3
4
7
4
5
15
8
5
6
Byte Address (2 Byte)
14
9
6
7
X3102
15
7
8
15
14
8
9
Register Data
20
Configuration
3
sleep mode. Since this instruction controls a volatile
register, no other commands are required and there is no
delay time needed after the instruction, before subsequent
commands. The operation of the WCNTRL command is
shown in Figure 23.
(2 BYTE)
14
9
Register Data
21
2
Control
(2 Byte)
22
1
20
3
23
0
18
5
21
2
24
7
19
4
22
New Control Bits
1
25
6
20
3
23
0
26
5
21
2
27
4
22
1
Data Out
28
3
23
0
29
2
30
1
31
0
December 22, 2004
FN8246.0