CS44800 datasheet(12/81 Pages) CIRRUS

12 / 81 page

DS632PP1

CS44800

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-B4

(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

tsclki

18.518

---

SYS_CLK Duty Cycle

Parameter

Symbol

Min

Typ

Max

Unit

PWMOUTxx Period

tpwm

2.60

1.18

µs

Rise Time of PWMOUTxx

VDP = 5.0 V

VDP = 3.3 V

1.6

2.1

Fall Time of PWMOUTxx

VDP = 5.0 V

VDP = 3.3 V

1.1

1.4

Parameter

Symbol

Min

Typ

Max

Unit

PS_SYNC Period

tpsclki

592.576

---

PS_SYNC Duty Cycle

SYS_CLK

sclki

Figure 3. SYS_CLK Timings

PWMOUTxx

pwm

Figure 4. PWMOUTxx Timings

PS_SYNC

psclki

Figure 5. PS_SYNC Timings

CS44800 Datasheet(PDF) 12 Page - Cirrus Logic

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