Datasheet

16 Atmel LED Drivers-MSL2160/MSL2161
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
SPI LOGIC LEVELS, MSL2160
MOSI, SCK, CSB Input High Voltage
0.7 x
V
VDD
V
MOSI, SCK, CSB Input Low Voltage
0.3 x
V
VDD
V
MISO Output High Voltage I
SOURCE
= 5mA
V
VCC
–
0.4
V
MISO Output Low Voltage I
SINK
= 6mA 0.4 V
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
I
2
C LOGIC LEVELS, MSL2161
SDA, SCL Input High Voltage
0.7 x
V
VDD
V
SDA, SCL Input Low Voltage
0.3 x
V
VDD
V
SDA Output Low Voltage I
SINK
= 6mA 0.4 V
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
AC ELECTRICAL CHARACTERISTICS
Internal Oscillator Frequency f
OSC
OSCFREQ = 0x04, T
A
= 25°C 19.4 20 20.6 MHz
PHI Frequency f
PHI
0.04 10 kHz
GSC Frequency GSCMUL = 0, GSCDIV = 0 (Note 9) f
PHI
2.5 MHz
PWM Frequency
EXTALTEN = 0 (Note 1) 5
kHz
EXTALTEN = 1 (Note 1) 1
PWM Duty Cycle (Note 1, Note 9) 0 100 %
PARAMETER SYMBOL CONDITIONS AND NOTES MIN TYP MAX UNIT
SPI TIMING CHARACTERISTICS, MSL2160
SCK Frequency 20 MHz
CSB to Rising Edge of SCK Setup Time t
CSB:SCK(SU)
20 ns
Rising Edge of SCK to CSB Hold Time t
CSB:SCK(HD)
20 ns
MOSI to Rising Edge of SCK Setup Time t
MOSI(SU)
20 ns
Rising Edge of SCK to MOSI Hold Time t
MOSI(HD)
20 ns
CSB Falling Edge to MISO Data Valid t
CSB:MISO(DV)
50 ns
CSB Rising Edge to MISO High Impedance t
CSB:MISO(HIZ)
(Note 1) 50 ns