Datasheet

9Atmel LED Drivers-MSL3163/MSL3164
PARAMETER SYMBOL CONDITIONS AND NOTES MIN
TYP
MAX UNIT
I²C TIMING CHARACTERISTICS, MSL3163
SCL Clock Frequency 1/t
SCL
Bus timeout disabled (Note 3) 0 1 MHz
Bus Timeout Period t
timeout
OSCCTRL = 0x04 30 ms
f
OSC
= 16MHz to 23MHz 600,000 / f
OSC
s
STOP to START Condition Bus Free
Time
t
BUF
0.5 µs
Repeated START condition Hold Time t
HD:STA
0.26 µs
Repeated START condition Setup Time t
SU:STA
0.26 µs
STOP Condition Setup Time t
SU:STOP
0.26 µs
SDA Data Hold Time t
HD:DAT
50 ns
SDA Data Valid Acknowledge Time t
VD:ACK
(Note 4) 0.05 0.45 µs
SDA Data Valid Time t
VD:DAT
(Note 5) 0.05 0.45 µs
SDA Data Set-Up Time t
SU:DAT
100 ns
SCL Clock Low Period t
LOW
0.5 µs
SCL Clock High Period t
HIGH
0.26 µs
SDA, SCL Fall Time t
f
(Note 6) (Note 7) 120 ns
SDA, SCL Rise Time t
r
120 ns
SDA, SCL Input Suppression Filter
Period
t
SP
(Note 8) 50 ns
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
AC ELECTRICAL CHARACTERISTICS
OSC Frequency f
OSC
OSCCTRL = 0x04 18.15 20.00 21.88 MHz
PHI Frequency f
PHI
0.04 10 kHz
PHI Lock 4
PHI
cycles
GSC Frequency f
GSC
0 10 MHz
PWM Frequency f
PWM
50 kHz
PWM Duty Cycle 0 100 %
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
SPI TIMING CHARACTERISTICS, MSL3164
SCK Frequency 20 MHz
CSB Falling Edge to SCK Rising Edge
Setup Time
t
CSB:SCK(SU)
100 ns
Atmel LED Drivers-MSL3163 and MSL3164
16-string White & RGB LED Drivers with Adaptive Power
Control, E²PROM, and SPI/I²C/SMBus Serial Interface