參數(shù)資料
型號: X3100V28Z
廠商: INTERSIL CORP
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封裝: ROHS COMPLIANT, PLASTIC, MO-153AE, TSSOP-28
文件頁數(shù): 21/41頁
文件大?。?/td> 561K
代理商: X3100V28Z
28
FN8110.1
January 3, 2008
Write Configuration Register (WCFIG)
The Write Configuration Register (WCFIG) instruc-
tion updates the static part of the Configuration Reg-
ister. These new values take effect immediately, for
example writing a new Over-discharge voltage limit.
However, to make these changes permanent, so they
remain if the cell voltages are removed, an EEWRITE
operation to the EEPROM array is required following
the WCFIG command. This command is shown in
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 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 15.
Figure 14. Write Configuration Register (WCFIG) Operation Sequence
Figure 15. Write Control Register (WCNTR) Operation Sequence
012
3456
789
CS
SCK
SI
SO
High Impedance
WCFIG Instruction
(1 BYTE)
Configuration
15 14
32
10
20 21 22 23
Register Data
(2 BYTE)
01
234
567
89
CS
SCK
SI
SO
High Impedance
WCNTR Instruction
(1 Byte)
Control
15 14
543
2
18 19 20 21
Register Data
(2 Byte)
22 23
1
0
Old Control Bits
New Control Bits
Control
Bits
X3100, X3101
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