34704_11 Datasheet, PDF (36/54 Pages) Freescale Semiconductor, Inc – Multiple Channel DC-DC Power Management IC

FUNCTIONAL DEVICE OPERATION
LOGIC COMMANDS AND REGISTERS
Register ADDR R/W
Bit Name
Bits
Description
REG2SET2 $07
R
DVSSTAT2
0
DVS voltage level status flag
R
-
5:1 ^{REG2 fault flags: Thermal SD, SC, ILim, UV and OV}
REG3SET1 $08
R/W OVUVSET3
R/W
DVSSET3
0
Set REG3 response type to OV/UV
4:1 REG3 DVS value setting
REG3SET2 $09
R
DVSSTAT3
0
DVS voltage level status flag
R
-
5:1 ^{REG3 fault flags: Thermal SD, SC, ILim, UV and OV}
REG4SET1 $0A
R/W OVUVSET4
R/W
DVSSET4
0
Set REG4 response type to OV/UV
4:1 ^{REG4 DVS value setting}
REG4SET2 $0B
R
DVSSTAT4
0
DVS voltage level status flag
R
-
5:1 REG4 fault flags: Thermal SD, SC, ILim, UV and OV
REG5SET1 $0C
R/W OVUVSET5
R/W
DVSSET5
0
Set REG5 response type to OV/UV
4:1 ^{REG5 DVS value setting}
REG5SET2 $0D
R/W
SSSET5
1:0 REG5 Soft Start setting.
REG5SET3 $0E
R
DVSSTAT5
0
DVS voltage level status flag
R
-
5:1 ^{REG5 fault flags: Thermal SD, SC, ILim, UV and OV}
REG6SET1 $0F
R/W OVUVSET6
R/W
DVSSET6
0
Set REG6 response type to OV/UV
4:1 REG6 DVS value setting
REG6SET2 $10
R/W
SSSET6
1:0 ^{REG6 Soft Start setting.}
REG6SET3 $11
R
DVSSTAT6
0
DVS voltage level status flag
R
-
5:1 REG6 fault flags: Thermal SD, SC, ILim, UV and OV
REG7SET1 $12
R/W OVUVSET7
R/W
DVSSET7
0
Set REG7 response type to OV/UV
4:1 ^{REG7 DVS value setting}
R/W
REG7SET2 $13
R/W
SSSET7
FSW2
1:0 REG7 Soft Start setting.
3:2 ^{REG6, 7 8, Frequency setting}
REG7SET3 $14
R
DVSSTAT7
0
DVS voltage level status flag
R
-
2:1 REG7 fault flags: UV and OV
REG8SET1 $15
R/W OVUVSET8
R/W
DVSSET8
0
Set REG8 response type to OV/UV
4:1 ^{REG8 DVS value setting}
R/W
SSSET8
1:0 REG8 Soft Start setting.
REG8SET2 $16
R/W REG8MODE 3:2 ^{Voltage or Current Regulation mode on REG8}
R/W
ILED
6:4 ^{LED string current configuration during current regulation mode}
REG8SET3 $17
R
DVSSTAT8
0
DVS voltage level status flag
R
-
5:1 ^{REG8 fault flags: Thermal SD, SC, ILim, UV and OV}
FAULTS
$18
R
FLTx
7:0 ^{First Level fault register for REG1 through REG8}
I2CSET1
$19
R/W ACCURATE
0
Accurate I2C communication mode enable
REG3DAC
$49
R/W
3DACx
7:0 ^{REG3 DAC reference voltage configuration for Fine voltage Scaling}
R/W DISCHG_B
4
Discharge enable for independent REG7 Control
REG7CR0
$58
R/W
EN
7:6 Output Enable bits for Independent REG7 Control
REG7DAC
$59
R/W
7DACx
7:0 ^{REG7 DAC refence voltage configuration for REG7 Control}
34704
36
Analog Integrated Circuit Device Data
Freescale Semiconductor