Cirrus Logic CS44600 - Manual (Page 12)

12 DS633F1
CS44600
SWITCHING CHARACTERISTICS - SYS_CLK
(VD = 2.5 V, VDP = VLC = VDX = 3.3 V, VLS = 2.5 V to 5.0 V, Cload = 50 pF)
SWITCHING CHARACTERISTICS - PWMOUTA1-B3
(VD = 2.5 V, VLS = VLC = VDX = 3.3 V, VDP = 3.3 V to 5.0 V unless otherwise specified, Cload = 10 pF)
SWITCHING CHARACTERISTICS - PS_SYNC
(VD = 2.5 V, VLS = VLC = VDX = 3.3 V, VDP = 3.3 V to 5.0 V, Cload = 20 pF)
Parameter Symbol Min Typ Max Unit
SYS_CLK Period t
sclki
18.518 --- --- ns
SYS_CLK Duty Cycle 45 50 55 %
Parameter Symbol Min Typ Max Unit
PWMOUTxx Period t
pwm
2.60 - 1.18 µs
Rise Time of PWMOUTxx VDP = 5.0 V
VDP = 3.3 V t
r
-
- 1.6
2.1 -
- ns
ns
Fall Time of PWMOUTxx VDP = 5.0 V
VDP = 3.3 V t
f
-
- 1.1
1.4 -
- ns
ns
Parameter Symbol Min Typ Max Unit
PS_SYNC Period t
psclki
592.576 --- --- ns
PS_SYNC Duty Cycle 45 50 55 %
SYS_CLK
t
sclki
Figure 3. SYS_CLK Timings
PWMOUTxx
t
pwm
t
r
t
f
Figure 4. PWMOUTxx Timings
PS_SYNC
t
psclki
Figure 5. PS_SYNC Timings