Datasheet

14 Atmel LED Driver-MSL3082
REGISTER AND
ADDRESS
FUNCTION
REGISTER DATA
D7 D6 D5 D4 D3 D2 D1 D0
OTSLOPE 0x06
Over-temp
derating
OTSLOPE[7:0]
FLTSTATUS* 0x07
Fault status,
global
- STRSCDET STROCDET - - - FBOCAL FLTDET
PWMCTRL 0x08
PWM and
phase
control,
conguration
GSCDIVEN GINTEN PHIPOL TDERATE PHIMINEN GSCMAXEN OVRFLOEN PWMEN
OCSTAT* 0x09
String open
circuit status
OC7 OC6 OC5 OC4 OC3 OC2 OC1 OC0
SCSTAT* 0X0A
LED short
circuit status
SC7 SC6 SC5 SC4 SC3 SC2 SC1 SC0
GINT 0x0B
Global
intensity
- - GINT[6:0]
GSCDIV 0x0C GSC divider - - - - GSCDIV[3:0]
PHIMUL 0x0D
PHI
multiplier
- - - PHIMUL[4:0]
STR03FBO 0x0E
String FBO
enables
STR3FBO[1:0] STR2FBO[1:0] STR1FBO[1:0] STR0FBO[1:0]
STR47FBO 0x0F STR7FBO[1:0] STR6FBO[1:0] STR5FBO[1:0] STR4FBO[1:0]
ISTR0 0x10 Individual
string
current
throttle
- - ISTR0[5:0]
to - - to
ISTR7 0x1F - - ISTR7[5:0]
PHDLY0 0x20 Individual
string
phase delay
settings
PHDLY0[7:0]
to to
PHDLY7 0x2F PHDLY7[7:0]
PWM0 0x30 Individual
string
pulse width
settings
PWM0[7:0]
to to
PWM7 0x3F PWM7[7:0]
GSCMAX
0x40 Max
oscillator
cycles
between
GSC pulses
GSCMAX[7:0]
0x41 GSCMAX[15:8]
PHIMIN
0x42 Min GSC
pulses over
PHI period
PHIMIN[7:0]
0x43 - - - - PHIMIN[15:8]
0X44 THRU 0X46 UNUSED
FAULTEN 0x47
Individual
string fault
monitoring
enables
FLTEN7 FLTEN6 FLTEN5 FLTEN4 FLTEN3 FLTEN2 FLTEN1 FLTEN0
0X48 THRU 0X4F UNUSED
FBOCTRL0 0x50 Efciency
Optimizer
conguration
HDRMSTEP[1:0] FBCLDLY[1:0] FBSDLY[1:0] FBCFDLY[1:0]
FBOCTRL1 0x51 STRSCCDLY[1:0] - - - - ACALEN ICHKDIS
0X52 THRU 0X58 UNUSED
Table 3. Atmel LED Driver-MSL3082 Register Map